Mean magnitude and position on the discovery images: 
                   2026 09 05.3193  2461288.8193   9.70  05:21:07.62 +23:38:20.0
181.48702  -7.48063 galactic  Tau  Second-epoch detections are separated by 0.4" and 6.2 pix   This object is listed in tocp_transients_list.txt    0.6"  TCP J05210763+2338194  2026-08-06.4109  11.2mag
The object was not found in VSX
The object was not found in ASASSN-V
The object was not found in astcheck.
 online_id        | N Tau                        | 05:21:07.62 +23:38:20.0 (user input)  | 2026 (VSX @ VizieR) | N (VSX @ VizieR)     |  (position from user input)                                                  
Check this position in TNS.                         Manually check the ASAS-SN list of transients!
Search this object in SIMBAD.
Search this object in VizieR catalogs.  WISE atlas  Aladin Lite  SNAD ZTF viewer
Online MPChecker may fail to identify bright comets! Please manually check the Seiichi Yoshida's and Gideon van Buitenen's pages.

Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

# Set SExtractor parameters file
cp default.sex.telephoto_lens_onlybrightstars_v1 default.sex
# Plate-solve the FITS images
export TELESCOP=''
for i in /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits ;do util/wcs_image_calibration.sh $i ;done
# Display the solved FITS images
ds9 -frame lock wcs  wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits  wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits -crosshair 3208.33081 4226.29199 image    wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits -crosshair 3212.17212 4231.12549 image   

./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits  && util/transients/search_for_transients_single_field.sh

REFERENCE_IMAGES=/data_ssd/NMW-TexasTech/reference_imgs  util/transients/transient_factory_test31.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ

Don't forget to copy the leading white spaces and change the observatory code! The code 'C32' is 'Ka-Dar Observatory, TAU Station, Nizhny Arkhyz', the code '500' is the geocenter. Make sure there are no trailing white spaces after the observatory code. The string should be exactly 80 characters long to conform to the MPC format.
Mean position:

     TAU0008  C2026 09 05.31928 05 21 07.62 +23 38 20.0           9.7 R      V36

Position measured on individual images:

     TAU0008  C2026 09 05.31904 05 21 07.62 +23 38 20.2           9.7 R      V36
     TAU0008  C2026 09 05.31953 05 21 07.62 +23 38 19.8           9.7 R      V36

You may copy/paste the above measurements to the following online services:
MPChecker (in case the button does not work)
NEOCMTChecker (NEO's and comets)
sat_id2 (artificial satellites; needs at least two observations to work)
fitsblink_satellites (art. sat.; you'll need to save the astrometry as a text file and upload it)

Here is a stub line for reporting a new transient to the TOCP. Don't forget to set the constellation name and the number of days since the last non-detection!

TCP 2026 09 05.3193*  05 21 07.62 +23 38 20.0   9.7 U             Tau       9 0

Don't forget to change the observer code for the AAVSO and VSNET format data!

 **** AAVSO file format ****

#TYPE=EXTENDED
#OBSCODE=SKA
#SOFTWARE=VaST 1.0rc90 transient pipeline
#DELIM=,
#DATE=JD
#NAME,DATE,MAG,MERR,FILT,TRANS,MTYPE,CNAME,CMAG,KNAME,KMAG,AMASS,GROUP,CHART,NOTES
N Tau,2461288.8193,9.70,0.05,CV,NO,STD,ENSEMBLE,na,na,na,na,1,na,NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS


 **** VSNET file format ****

# Here are some valid formatiing examples:
#CETFZ 20230815.9829   <13.5CV NMW
#CETFZ 20230818.9746    12.5CV NMW
#CETFZ 20230819.9732    12.6CV NMW
#TCPJ17453768-1756253 20230831.7290 12.7CV NMW
N Tau 20260905.3193 9.70CV NMW


The AAVSO data should be submitted to https://www.aavso.org/webobs

The VSNET data, depending on how interesting the target is, should be e-mailed to
vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
vsnet-outburst-wanted@ooruri.kusastro.kyoto-u.ac.jp
vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
# Time-series data may be sent to  vsnet-campaign-report@ooruri.kusastro.kyoto-u.ac.jp

Mean magnitude and position on the discovery images: 
                   2026 09 05.3193  2461288.8193   9.77  05:21:07.64 +23:38:20.0
181.48707  -7.48056 galactic  Tau  Second-epoch detections are separated by 0.6" and 6.2 pix   This object is listed in tocp_transients_list.txt    0.6"  TCP J05210763+2338194  2026-08-06.4109  11.2mag
The object was not found in VSX
The object was not found in ASASSN-V
The object was not found in astcheck.
 online_id        | N Tau                        | 05:21:07.64 +23:38:20.0 (user input)  | 2026 (VSX @ VizieR) | N (VSX @ VizieR)     |  (position from user input)                                                  
Check this position in TNS.                         Manually check the ASAS-SN list of transients!
Search this object in SIMBAD.
Search this object in VizieR catalogs.  WISE atlas  Aladin Lite  SNAD ZTF viewer
Online MPChecker may fail to identify bright comets! Please manually check the Seiichi Yoshida's and Gideon van Buitenen's pages.

Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

# Set SExtractor parameters file
cp default.sex.telephoto_lens_onlybrightstars_v1 default.sex
# Plate-solve the FITS images
export TELESCOP=''
for i in /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits ;do util/wcs_image_calibration.sh $i ;done
# Display the solved FITS images
ds9 -frame lock wcs  wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits  wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits -crosshair 3208.33618 4226.28711 image    wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits -crosshair 3212.18481 4231.11719 image   

./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits  && util/transients/search_for_transients_single_field.sh

REFERENCE_IMAGES=/data_ssd/NMW-TexasTech/reference_imgs  util/transients/transient_factory_test31.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ

Don't forget to copy the leading white spaces and change the observatory code! The code 'C32' is 'Ka-Dar Observatory, TAU Station, Nizhny Arkhyz', the code '500' is the geocenter. Make sure there are no trailing white spaces after the observatory code. The string should be exactly 80 characters long to conform to the MPC format.
Mean position:

     TAU0008  C2026 09 05.31928 05 21 07.64 +23 38 20.0           9.8 R      V36

Position measured on individual images:

     TAU0008  C2026 09 05.31904 05 21 07.64 +23 38 20.3           9.8 R      V36
     TAU0008  C2026 09 05.31953 05 21 07.63 +23 38 19.7           9.8 R      V36

You may copy/paste the above measurements to the following online services:
MPChecker (in case the button does not work)
NEOCMTChecker (NEO's and comets)
sat_id2 (artificial satellites; needs at least two observations to work)
fitsblink_satellites (art. sat.; you'll need to save the astrometry as a text file and upload it)

Here is a stub line for reporting a new transient to the TOCP. Don't forget to set the constellation name and the number of days since the last non-detection!

TCP 2026 09 05.3193*  05 21 07.64 +23 38 20.0   9.8 U             Tau       9 0

Don't forget to change the observer code for the AAVSO and VSNET format data!

 **** AAVSO file format ****

#TYPE=EXTENDED
#OBSCODE=SKA
#SOFTWARE=VaST 1.0rc90 transient pipeline
#DELIM=,
#DATE=JD
#NAME,DATE,MAG,MERR,FILT,TRANS,MTYPE,CNAME,CMAG,KNAME,KMAG,AMASS,GROUP,CHART,NOTES
N Tau,2461288.8193,9.77,0.05,CV,NO,STD,ENSEMBLE,na,na,na,na,1,na,NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS


 **** VSNET file format ****

# Here are some valid formatiing examples:
#CETFZ 20230815.9829   <13.5CV NMW
#CETFZ 20230818.9746    12.5CV NMW
#CETFZ 20230819.9732    12.6CV NMW
#TCPJ17453768-1756253 20230831.7290 12.7CV NMW
N Tau 20260905.3193 9.77CV NMW


The AAVSO data should be submitted to https://www.aavso.org/webobs

The VSNET data, depending on how interesting the target is, should be e-mailed to
vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
vsnet-outburst-wanted@ooruri.kusastro.kyoto-u.ac.jp
vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
# Time-series data may be sent to  vsnet-campaign-report@ooruri.kusastro.kyoto-u.ac.jp

Mean magnitude and position on the discovery images: 
                   2026 09 05.3193  2461288.8193  11.35  05:13:25.48 +19:25:29.1
184.00049 -11.33017 galactic  Tau  Second-epoch detections are separated by 1.8" and 6.5 pix   
The object was found in VSX
 2"  NSVS J0513254+192528          
Type: M
#   Max.           Min./Amp.       JD0           Period
    10.908   R1      Y     2.800   R1                             220.000000000000                                
The object was not found in astcheck.
Forced photometry on wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits at 05:13:25.48 +19:25:29.1:  12.34 +/- 0.01  detection
Forced photometry on wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits at 05:13:25.48 +19:25:29.1:  12.22 +/- 0.01  detection
Forced photometry reference-image weighted average:  12.28 +/- 0.01
Check this position in TNS.                         Manually check the ASAS-SN list of transients!
Search this object in SIMBAD.
Search this object in VizieR catalogs.  WISE atlas  Aladin Lite  SNAD ZTF viewer
Online MPChecker may fail to identify bright comets! Please manually check the Seiichi Yoshida's and Gideon van Buitenen's pages.

Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits


Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits


fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

# Set SExtractor parameters file
cp default.sex.telephoto_lens_onlybrightstars_v1 default.sex
# Plate-solve the FITS images
export TELESCOP=''
for i in /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits ;do util/wcs_image_calibration.sh $i ;done
# Display the solved FITS images
ds9 -frame lock wcs   wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits -crosshair 7463.61963 4740.73389 image    wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits -crosshair 7452.24902 4750.45020 image    wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits -crosshair 2001.84973 1723.80981 image    wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits -crosshair 2005.85437 1728.90344 image   

./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits  && util/transients/search_for_transients_single_field.sh

REFERENCE_IMAGES=/data_ssd/NMW-TexasTech/reference_imgs  util/transients/transient_factory_test31.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ

Don't forget to copy the leading white spaces and change the observatory code! The code 'C32' is 'Ka-Dar Observatory, TAU Station, Nizhny Arkhyz', the code '500' is the geocenter. Make sure there are no trailing white spaces after the observatory code. The string should be exactly 80 characters long to conform to the MPC format.
Mean position:

     TAU0008  C2026 09 05.31928 05 13 25.48 +19 25 29.1          11.3 R      V36

Position measured on individual images:

     TAU0008  C2026 09 05.31904 05 13 25.51 +19 25 28.3          11.4 R      V36
     TAU0008  C2026 09 05.31953 05 13 25.46 +19 25 29.9          11.3 R      V36

You may copy/paste the above measurements to the following online services:
MPChecker (in case the button does not work)
NEOCMTChecker (NEO's and comets)
sat_id2 (artificial satellites; needs at least two observations to work)
fitsblink_satellites (art. sat.; you'll need to save the astrometry as a text file and upload it)

Here is a stub line for reporting a new transient to the TOCP. Don't forget to set the constellation name and the number of days since the last non-detection!

TCP 2026 09 05.3193*  05 13 25.48 +19 25 29.1  11.3 U             Tau       9 0

Don't forget to change the observer code for the AAVSO and VSNET format data!

 **** AAVSO file format ****

#TYPE=EXTENDED
#OBSCODE=SKA
#SOFTWARE=VaST 1.0rc90 transient pipeline
#DELIM=,
#DATE=JD
#NAME,DATE,MAG,MERR,FILT,TRANS,MTYPE,CNAME,CMAG,KNAME,KMAG,AMASS,GROUP,CHART,NOTES
NSVS J0513254+192528,2461288.8193,11.35,0.05,CV,NO,STD,ENSEMBLE,na,na,na,na,1,na,NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS


 **** VSNET file format ****

# Here are some valid formatiing examples:
#CETFZ 20230815.9829   <13.5CV NMW
#CETFZ 20230818.9746    12.5CV NMW
#CETFZ 20230819.9732    12.6CV NMW
#TCPJ17453768-1756253 20230831.7290 12.7CV NMW
NSVS J0513254+192528 20260905.3193 11.35CV NMW


The AAVSO data should be submitted to https://www.aavso.org/webobs

The VSNET data, depending on how interesting the target is, should be e-mailed to
vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
vsnet-outburst-wanted@ooruri.kusastro.kyoto-u.ac.jp
vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
# Time-series data may be sent to  vsnet-campaign-report@ooruri.kusastro.kyoto-u.ac.jp

FITS images used in this processing run:

Field Tau-04-Q2b1x1 reference image: Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Field Tau-04-Q2b1x1 reference image: Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Field Tau-04-Q2b1x1 second-epoch image: Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Field Tau-04-Q2b1x1 second-epoch image: Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461032.81064075 23.12.2025 07:27:09.361   /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
First image: 2461032.81064075 23.12.2025 07:27:09.361   /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Last  image: 2461288.81952809 05.09.2026 07:39:57.227   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 2
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.65
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 5 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  17349
Objects passed selection criteria:  17199
Measurements per detected object (mean, median, min, max):    2.2    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.2    2.0    2    4
Average stars detected per image: 10094
Average stars matched: 9812.5 (97.2112 %)
Memory usage VmPeak:   243536 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Sep  2 15:05:04 CDT 2026
VaST build number  1.0rc89-201-ga7d4d23b
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-02)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Sat Sep  5 03:03:01 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461032.81064075 23.12.2025 07:27:09.361   /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
First image: 2461032.81064075 23.12.2025 07:27:09.361   /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Last  image: 2461288.81952809 05.09.2026 07:39:57.227   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 15
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.31
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 37 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  133359
Objects passed selection criteria:  132835
Measurements per detected object (mean, median, min, max):    2.2    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.2    2.0    2    4
Average stars detected per image: 80925.2
Average stars matched: 76783.8 (94.8823 %)
Memory usage VmPeak:   538280 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Sep  2 15:05:04 CDT 2026
VaST build number  1.0rc89-201-ga7d4d23b
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-02)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Sat Sep  5 03:04:47 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Tau-04-Q2b1x1
#######################################
########### Starting Tau-04-Q2b1x1 ###########
Processing Tau-04-Q2b1x1
server tau has sufficient free disk space available: 483851 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 483851 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Small preview (one of the new images): 

Large previews of the second-epoch (new) images:

MAKE_PNG_PLOTS=yes


renamed 'Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.png' -> 'transient_report/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits_preview.png'

Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits


renamed 'Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.png' -> 'transient_report/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits_preview.png'

Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits




Read-check the input FITS images... read-check OK
Blank image check the input FITS images... blank-image-check OK
Read date check the input FITS images... read-date-check OK
Mean value check the input FITS images... OK, at least two new images have mean values below the threshold.
----------------------------------------------
INFO: REFERENCE_EPOCH__FIRST_IMAGE_MEAN_VALUE= 599.0891
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 758.4070
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 9277.0178
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 9651.4664
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 9258.8191
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 9624.8766
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 15.4852
INFO:                  SECOND_EPOCH__SD_ratio= 0.003
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     24.6499996185303 / [degC] Focuser temperature
AMBTEMP =                 24.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-05T02:39:15.2150768' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-05T07:39:15.2150768' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61288.3189260997 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-05T07:39:25.1156874' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61288.3190406831 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     83.0761942997962 / [deg] RA of telescope" status=0
Record 32: "DEC     =     22.0001633248979 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.1094444444444 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     73.3413888888889 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.78436981034793 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Tau-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '05 32 19'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+22 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20471 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20471 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     24.6499996185303 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     24.6499996185303 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 16.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 62.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               899.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 24.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 35.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             4.300344 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/d_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits :)

Spent 0.628507 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/d_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     24.7000007629395 / [degC] Focuser temperature
AMBTEMP =                 24.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-05T02:39:57.2272301' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-05T07:39:57.2272301' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61288.3194123497 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-05T07:40:07.1298402' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =      61288.319526956 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     83.0761942117231 / [deg] RA of telescope" status=0
Record 32: "DEC     =     22.0001633203997 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.2491666666667 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =              73.4275 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.75149039021893 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Tau-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '05 32 19'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+22 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20471 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20471 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     24.7000007629395 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     24.7000007629395 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 16.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 62.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               899.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 24.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 35.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             4.300344 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/d_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits :)

Spent 0.643163 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/d_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Previews of the CALIBRATED second-epoch images:


fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits



fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits




Updating neverexclude_list.txt
'/var/www/nmw_calibration/neverexclude_list.txt' -> './neverexclude_list.txt'
Choosing bad regions list
'/var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst' -> 'bad_region.lst'
wait
*------ default.sex.telephoto_lens_onlybrightstars_v1 ------*
'default.sex.telephoto_lens_onlybrightstars_v1' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_onlybrightstars_v1

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
  
SExtractor catalog cache: saved Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.cat to cache
SExtractor catalog cache: saved Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_onlybrightstars_v1
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461288.81904184
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits exists and is non-empty
wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits exists and is non-empty
wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits exists and is non-empty
wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (1st reference image)
verification OK: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Image size: 941.6'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 05:32:19.570 +21:59:57.74 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits (1st new image)
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Image size: 941.0'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:43.041 +22:00:39.55 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 05:32:19.570 +21:59:57.74
Second-epoch image center 05:32:43.041 +22:00:39.55
Angular distance between the image centers 0.0914 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits (2nd new image)
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Image size: 940.9'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:41.368 +22:00:09.24 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 05:32:19.570 +21:59:57.74
Second-epoch image center 05:32:41.368 +22:00:09.24
Angular distance between the image centers 0.0843 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  05:32:43.041 +22:00:39.55
Second-epoch second image center 05:32:41.368 +22:00:09.24
Angular distance between the image centers 0.01061 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits &> /tmp/tmp.kMCvJw5L6u
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits &> /tmp/tmp.jieJpvsO9Q
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits &> /tmp/tmp.VyFwNI39Sr
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits &> /tmp/tmp.Rbvxf7RlrK
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Calibrating the magnitude scale
Found non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
Found non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat
The reference image (wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits) and catalog (wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat) found
'wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat' -> 'wcsmag.cat'
Read 22997 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3514 to 91.9479 deg, Dec +16.4790 to +27.2884 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3514 to 91.9479 deg, Dec 16.4790 to 27.2884 deg
Loaded 12406 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8976 out of 10160 total matches.
Matched with Tycho-2 10160 out of 22997 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.969200
a=0.000000 b=1.000000 c=22.969200
From vast_summary.log: estimated ref. image limiting mag.:  -7.65
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.32

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.32

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 22997 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3514 to 91.9479 deg, Dec +16.4790 to +27.2884 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3514 to 91.9479 deg, Dec 16.4790 to 27.2884 deg
Loaded 12406 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8976 out of 10160 total matches.
Matched with Tycho-2 10160 out of 22997 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Forced-photometry filter: calibrated wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits -> calib.txt_param_ref_wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (aperture=6.0)
Read 20916 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3773 to 91.9061 deg, Dec +16.4876 to +27.3008 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3773 to 91.9061 deg, Dec 16.4876 to 27.3008 deg
Loaded 12329 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8847 out of 10017 total matches.
Matched with Tycho-2 10017 out of 20916 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Forced-photometry filter: calibrated wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits -> calib.txt_param_ref_wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits (aperture=5.9)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 2 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.0 pix  Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
 2.0 pix  Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
 2.3 pix  fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
 2.3 pix  fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Limiting magnitude estimates:
 15.3 mag.  Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
 15.2 mag.  Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
 12.3 mag.  fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
 12.4 mag.  fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
All-image limiting magnitude estimate:  12.3 (SNR )  10.0 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.kMCvJw5L6u (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits' -> 'wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS_IMAGE_NAME=wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS-calibrated image found: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Checking if the catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits alredy exist and is non-empty...
Catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS catalog name: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=2479, bad_region=3694, passed=22997
Got 22997 stars (including 17090 good ones) from the SExtractor catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
util/solve_plate_with_UCAC5 got 22997 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4775 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4705 matched stars entering correct_measured_positions(), 4706 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4705 matched stars entering correct_measured_positions(), 20056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4774 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4705 matched stars entering correct_measured_positions(), 20056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4705 matched stars entering correct_measured_positions(), 20056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4705 stars left (next iteration limit 5175)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits N_match=4705 sigma_overall_arcsec=0.386 sigma_q1_arcsec=0.461 sigma_q2_arcsec=0.374 sigma_q3_arcsec=0.350 sigma_q4_arcsec=0.273 n_q1=1788 n_q2=376 n_q3=1844 n_q4=697 worst_quadrant_to_overall_ratio=1.193
The image catalog is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits -region wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.jieJpvsO9Q (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits' -> 'wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS_IMAGE_NAME=wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS-calibrated image found: wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Checking if the catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits alredy exist and is non-empty...
Catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS catalog name: wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=2320, bad_region=3377, passed=20916
Got 20916 stars (including 15475 good ones) from the SExtractor catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat 
util/solve_plate_with_UCAC5 got 20916 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4776 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4707 matched stars entering correct_measured_positions(), 4708 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.46" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4707 matched stars entering correct_measured_positions(), 18215 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.43" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4777 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4708 matched stars entering correct_measured_positions(), 18215 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Accuracy estimation diagnostic: 4708 matched stars entering correct_measured_positions(), 18215 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49" 
Excluding outliers - 4708 stars left (next iteration limit 5177)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits N_match=4708 sigma_overall_arcsec=0.515 sigma_q1_arcsec=0.605 sigma_q2_arcsec=0.498 sigma_q3_arcsec=0.464 sigma_q4_arcsec=0.402 n_q1=1784 n_q2=371 n_q3=1863 n_q4=690 worst_quadrant_to_overall_ratio=1.175
The image catalog is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits -region wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.VyFwNI39Sr (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS_IMAGE_NAME=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS-calibrated image found: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Checking if the catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS catalog name: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=238, bad_region=556, passed=2446
Got 2446 stars (including 1693 good ones) from the SExtractor catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat 
util/solve_plate_with_UCAC5 got 2446 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.0'
Seting catalog search parameters based on the expected field of view 941.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013069 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010456 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.6 to 27.3)
Done reading UCAC5 zone files...
Matched 1628 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1612 matched stars entering correct_measured_positions(), 1613 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.63" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1612 matched stars entering correct_measured_positions(), 1988 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.63" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.6 to 27.3)
Done reading UCAC5 zone files...
Matched 1629 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1609 matched stars entering correct_measured_positions(), 1987 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Accuracy estimation diagnostic: 1609 matched stars entering correct_measured_positions(), 1987 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Excluding outliers - 1609 stars left (next iteration limit 1773)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: SIP order 2 trial: matched=1609 robust_rms=6.274 arcsec worst_quadrant_rms=6.748 arcsec
SIP_REFIT: SIP order 3 trial: matched=1609 robust_rms=0.694 arcsec worst_quadrant_rms=0.745 arcsec
SIP_REFIT: SIP order 5 trial: matched=1609 robust_rms=0.583 arcsec worst_quadrant_rms=0.613 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1609 robust_rms_before=1.587 arcsec robust_rms_before_corrected=0.690 arcsec robust_rms_after=0.583 arcsec worst_quadrant_rms_before=0.821 worst_quadrant_rms_after=0.613
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Image size: 941.3'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:43.127 +22:00:38.08 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 2446 stars ###
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/correct_sextractor_wcs_catalog_usingxy2sky4119826.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.587 -> 0.583 arcsec)
WCS_QUALITY_DIAG: file=fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits N_match=1609 sigma_overall_arcsec=0.614 sigma_q1_arcsec=0.608 sigma_q2_arcsec=0.635 sigma_q3_arcsec=0.657 sigma_q4_arcsec=0.602 n_q1=498 n_q2=341 n_q3=430 n_q4=340 worst_quadrant_to_overall_ratio=1.070
The image catalog is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits -region wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.Rbvxf7RlrK (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS_IMAGE_NAME=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS-calibrated image found: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Checking if the catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS catalog name: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=251, bad_region=563, passed=2442
Got 2442 stars (including 1665 good ones) from the SExtractor catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat 
util/solve_plate_with_UCAC5 got 2442 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.9'
Seting catalog search parameters based on the expected field of view 940.9 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013068 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010454 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.6 to 27.3)
Done reading UCAC5 zone files...
Matched 1601 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1582 matched stars entering correct_measured_positions(), 1584 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.63" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1582 matched stars entering correct_measured_positions(), 1982 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.64" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.6 to 27.3)
Done reading UCAC5 zone files...
Matched 1601 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1582 matched stars entering correct_measured_positions(), 1982 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Accuracy estimation diagnostic: 1582 matched stars entering correct_measured_positions(), 1982 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Excluding outliers - 1582 stars left (next iteration limit 1740)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: SIP order 2 trial: matched=1582 robust_rms=6.104 arcsec worst_quadrant_rms=6.894 arcsec
SIP_REFIT: SIP order 3 trial: matched=1582 robust_rms=0.733 arcsec worst_quadrant_rms=0.778 arcsec
SIP_REFIT: SIP order 5 trial: matched=1582 robust_rms=0.565 arcsec worst_quadrant_rms=0.619 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1582 robust_rms_before=1.507 arcsec robust_rms_before_corrected=0.700 arcsec robust_rms_after=0.565 arcsec worst_quadrant_rms_before=0.785 worst_quadrant_rms_after=0.619
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Image size: 941.2'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:41.440 +22:00:07.86 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 2442 stars ###
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/correct_sextractor_wcs_catalog_usingxy2sky4119771.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.507 -> 0.565 arcsec)
WCS_QUALITY_DIAG: file=fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits N_match=1582 sigma_overall_arcsec=0.605 sigma_q1_arcsec=0.575 sigma_q2_arcsec=0.617 sigma_q3_arcsec=0.678 sigma_q4_arcsec=0.556 n_q1=493 n_q2=336 n_q3=425 n_q4=328 worst_quadrant_to_overall_ratio=1.120
The image catalog is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits -region wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Saving the final (post-refit) wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits to local_wcs_cache/
'wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits' -> 'local_wcs_cache/wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits'
Saving the final (post-refit) wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits to local_wcs_cache/
'wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits' -> 'local_wcs_cache/wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits'
Saving the final (post-refit) wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits to local_wcs_cache/
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits' -> 'local_wcs_cache/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits'
Saving the final (post-refit) wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits to local_wcs_cache/
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits' -> 'local_wcs_cache/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits sigma_overall=0.386 worst_q_ratio=1.193
ref2=Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits sigma_overall=0.515 worst_q_ratio=1.175
new1=fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits sigma_overall=0.614 worst_q_ratio=1.070
new2=fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits sigma_overall=0.605 worst_q_ratio=1.120
reference average sigma_overall=0.4505 worst_q_ratio=1.184
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378_astrometric_residuals.png (4705 matched stars from wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035_astrometric_residuals.png (4708 matched stars from wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.47 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242_astrometric_residuals.png (1609 matched stars from wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.48 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243_astrometric_residuals.png (1582 matched stars from wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.48 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits'
Saving fully-calibrated image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits'
Preparing the HTML report for the field Tau-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
make_report_in_HTML.sh Phase 1 (network queries): 13s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 2s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 30783_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
Preparing report for the candidate 30783_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 19272_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 19272_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 3     2026 09 05.31953    2461288.81953    9.67    05:46:56.41 +17:54:32.2   6785 0700   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:46:56.41 +17:54:32.3 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 15s
Prepared the HTML report for the field Tau-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
  
SExtractor catalog cache: saved Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.cat to cache
SExtractor catalog cache: saved Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Creating symlink local_wcs_cache/wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Creating symlink local_wcs_cache/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Creating symlink local_wcs_cache/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits exists and is non-empty
wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits exists and is non-empty
wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits exists and is non-empty
wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (1st reference image)
verification OK: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Image size: 941.6'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 05:32:19.570 +21:59:57.74 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits (1st new image)
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Image size: 941.3'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:43.127 +22:00:38.08 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 05:32:19.570 +21:59:57.74
Second-epoch image center 05:32:43.127 +22:00:38.08
Angular distance between the image centers 0.0917 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits (2nd new image)
verification OK: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Image size: 941.2'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 05:32:41.440 +22:00:07.86 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 05:32:19.570 +21:59:57.74
Second-epoch image center 05:32:41.440 +22:00:07.86
Angular distance between the image centers 0.0845 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  05:32:43.127 +22:00:38.08
Second-epoch second image center 05:32:41.440 +22:00:07.86
Angular distance between the image centers 0.01063 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits &> /tmp/tmp.h1WEd28oW9
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits &> /tmp/tmp.dWb6DnjqNC
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits &> /tmp/tmp.vfPiTpNOYX
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits &> /tmp/tmp.DJNOaPjOSO
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Calibrating the magnitude scale
Found non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
Found non-empty wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits and wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat
The reference image (wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits) and catalog (wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat) found
'wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat' -> 'wcsmag.cat'
Read 167968 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3408 to 91.9478 deg, Dec +16.4791 to +27.2941 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3408 to 91.9478 deg, Dec 16.4791 to 27.2941 deg
Loaded 12414 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 7145 out of 10502 total matches.
Matched with Tycho-2 10502 out of 167968 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.825500
a=0.000000 b=1.000000 c=22.825500
From vast_summary.log: estimated ref. image limiting mag.:  -7.31
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.52

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.52

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 167968 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3408 to 91.9478 deg, Dec +16.4791 to +27.2941 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3408 to 91.9478 deg, Dec 16.4791 to 27.2941 deg
Loaded 12414 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 7145 out of 10502 total matches.
Matched with Tycho-2 10502 out of 167968 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Forced-photometry filter: calibrated wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits -> calib.txt_param_ref_wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (aperture=4.5)
Read 163013 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3370 to 91.9475 deg, Dec +16.4845 to +27.3051 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3370 to 91.9475 deg, Dec 16.4845 to 27.3051 deg
Loaded 12419 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 7184 out of 10475 total matches.
Matched with Tycho-2 10475 out of 163013 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Forced-photometry filter: calibrated wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits -> calib.txt_param_ref_wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits (aperture=4.4)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 11 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 1.9 pix  Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
 1.8 pix  Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
 2.1 pix  fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
 2.1 pix  fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Limiting magnitude estimates:
 15.5 mag.  Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
 15.4 mag.  Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
 14.0 mag.  fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
 14.4 mag.  fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
All-image limiting magnitude estimate:  14.0 (SNR )  12.5 (80% of stars)  with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.h1WEd28oW9 (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits' -> 'wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS_IMAGE_NAME=wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS-calibrated image found: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
Checking if the catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits alredy exist and is non-empty...
Catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits
WCS catalog name: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=28, blended=21684, bad_region=23036, passed=167940
Got 167940 stars (including 124901 good ones) from the SExtractor catalog wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat 
util/solve_plate_with_UCAC5 got 167940 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4762 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4714 matched stars entering correct_measured_positions(), 4714 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4714 matched stars entering correct_measured_positions(), 150202 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4763 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4714 matched stars entering correct_measured_positions(), 150202 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4714 matched stars entering correct_measured_positions(), 150201 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 4714 stars left (next iteration limit 5185)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits N_match=4714 sigma_overall_arcsec=0.388 sigma_q1_arcsec=0.472 sigma_q2_arcsec=0.371 sigma_q3_arcsec=0.345 sigma_q4_arcsec=0.297 n_q1=1719 n_q2=437 n_q3=1839 n_q4=719 worst_quadrant_to_overall_ratio=1.214
The image catalog is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits -region wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.dWb6DnjqNC (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits' -> 'wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS_IMAGE_NAME=wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS-calibrated image found: wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
Checking if the catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits alredy exist and is non-empty...
Catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat corresponding to the image wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits
WCS catalog name: wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=36, blended=20219, bad_region=22244, passed=162977
Got 162977 stars (including 121992 good ones) from the SExtractor catalog wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat 
util/solve_plate_with_UCAC5 got 162977 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4760 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4706 matched stars entering correct_measured_positions(), 4706 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4706 matched stars entering correct_measured_positions(), 145759 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4760 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4705 matched stars entering correct_measured_positions(), 145759 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Accuracy estimation diagnostic: 4704 matched stars entering correct_measured_positions(), 145759 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49" 
Excluding outliers - 4704 stars left (next iteration limit 5176)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits N_match=4704 sigma_overall_arcsec=0.497 sigma_q1_arcsec=0.615 sigma_q2_arcsec=0.464 sigma_q3_arcsec=0.445 sigma_q4_arcsec=0.412 n_q1=1720 n_q2=418 n_q3=1843 n_q4=723 worst_quadrant_to_overall_ratio=1.238
The image catalog is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits -region wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.vfPiTpNOYX (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS_IMAGE_NAME=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS-calibrated image found: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Checking if the catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
WCS catalog name: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=21, no_mag_err=0, low_SNR=7, blended=780, bad_region=4183, passed=23890
Got 23890 stars (including 19026 good ones) from the SExtractor catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat 
util/solve_plate_with_UCAC5 got 23890 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4791 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4721 matched stars entering correct_measured_positions(), 4722 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.57" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4721 matched stars entering correct_measured_positions(), 20761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.56" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4792 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4722 matched stars entering correct_measured_positions(), 20761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.57" 
Accuracy estimation diagnostic: 4721 matched stars entering correct_measured_positions(), 20761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.60" 
Excluding outliers - 4721 stars left (next iteration limit 5193)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4721 robust_rms=6.308 arcsec worst_quadrant_rms=6.914 arcsec
SIP_REFIT: SIP order 3 trial: matched=4721 robust_rms=0.725 arcsec worst_quadrant_rms=0.784 arcsec
SIP_REFIT: SIP order 5 trial: matched=4721 robust_rms=0.639 arcsec worst_quadrant_rms=0.696 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4721 robust_rms_before=0.647 arcsec robust_rms_before_corrected=0.612 arcsec robust_rms_after=0.639 arcsec worst_quadrant_rms_before=0.693 worst_quadrant_rms_after=0.696
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.693 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits N_match=4721 sigma_overall_arcsec=0.623 sigma_q1_arcsec=0.600 sigma_q2_arcsec=0.617 sigma_q3_arcsec=0.728 sigma_q4_arcsec=0.587 n_q1=1426 n_q2=1078 n_q3=1126 n_q4=1091 worst_quadrant_to_overall_ratio=1.169
The image catalog is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits -region wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.DJNOaPjOSO (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS_IMAGE_NAME=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS-calibrated image found: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Checking if the catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat corresponding to the image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
WCS catalog name: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=22, no_mag_err=0, low_SNR=9, blended=805, bad_region=4219, passed=24305
Got 24305 stars (including 19386 good ones) from the SExtractor catalog wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat 
util/solve_plate_with_UCAC5 got 24305 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.2'
Seting catalog search parameters based on the expected field of view 941.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013072 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010458 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 589 (Dec 16.4 to 27.5)
Done reading UCAC5 zone files...
Matched 4782 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4713 matched stars entering correct_measured_positions(), 4713 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.56" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4713 matched stars entering correct_measured_positions(), 21148 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.56" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 589 (Dec 16.4 to 27.5)
Done reading UCAC5 zone files...
Matched 4783 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4710 matched stars entering correct_measured_positions(), 21148 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.58" 
Accuracy estimation diagnostic: 4710 matched stars entering correct_measured_positions(), 21148 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.61" 
Excluding outliers - 4710 stars left (next iteration limit 5184)
Stop iterations.


 The field is successfully solved and matched with the astrometric catalog! :)

SIP_REFIT: wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4710 robust_rms=6.151 arcsec worst_quadrant_rms=6.859 arcsec
SIP_REFIT: SIP order 3 trial: matched=4710 robust_rms=0.737 arcsec worst_quadrant_rms=0.831 arcsec
SIP_REFIT: SIP order 5 trial: matched=4710 robust_rms=0.604 arcsec worst_quadrant_rms=0.672 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4710 robust_rms_before=0.607 arcsec robust_rms_before_corrected=0.625 arcsec robust_rms_after=0.604 arcsec worst_quadrant_rms_before=0.686 worst_quadrant_rms_after=0.672
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.686 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits N_match=4710 sigma_overall_arcsec=0.637 sigma_q1_arcsec=0.604 sigma_q2_arcsec=0.622 sigma_q3_arcsec=0.730 sigma_q4_arcsec=0.598 n_q1=1429 n_q2=1083 n_q3=1123 n_q4=1075 worst_quadrant_to_overall_ratio=1.147
The image catalog is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits -region wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Saving fully-calibrated image wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Preparing the HTML report for the field Tau-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits at 05:13:05.04 +20:18:41.1:  99.00 +/- 99.00  bad_region
Forced photometry on wcs_Tau-04-Q2b1x1_2025-12-23_01-27-09_20.00sec_-15.00C_LIGHT_0378.fits at 05:13:25.48 +19:25:29.1:  12.34 +/- 0.01  detection
Forced photometry on wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits at 05:13:05.04 +20:18:41.1:  13.25 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.25 +/- 0.03
Forced photometry filter REJECTED candidate at 05:13:05.04 +20:18:41.1: ref_mag=13.25 +/- 0.03 new_mean_mag=12.9721 delta=0.28 (need > 0.90)
Forced photometry on wcs_Tau-04-Q2b1x1_2026-02-21_20-27-39_20.00sec_-14.90C_LIGHT_0035.fits at 05:13:25.48 +19:25:29.1:  12.22 +/- 0.01  detection
Forced photometry reference-image weighted average:  12.28 +/- 0.01
Forced photometry filter KEPT candidate at 05:13:25.48 +19:25:29.1: ref_mag=12.28 +/- 0.01 new_mean_mag=11.3381 delta=0.94 (need > 0.90)
Adding exclusion_list_local.txt__out143597.dat to exclusion_list_local.txt
make_report_in_HTML.sh Phase 1 (network queries): 12s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 2s
  
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Considering the candidate 189042_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 189042_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    12.00    05:44:45.72 +17:48:35.2   6470 0640   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:44:45.69 +17:48:35.5 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 189045_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 189045_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    11.32    05:31:56.39 +22:45:15.2   4695 3651   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:31:56.42 +22:45:15.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 189046_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 189046_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    10.55    05:24:16.91 +20:08:48.3   3574 2105   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:24:16.92 +20:08:48.2 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 189249_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
Preparing report for the candidate 189249_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
  
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Considering the candidate 191979_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 191979_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    12.02    05:30:50.71 +22:27:25.3   4538 3475   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:30:50.67 +22:27:25.1 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 192441_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 192441_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    12.17    05:41:56.13 +22:38:56.4   6084 3571   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:41:56.14 +22:38:56.2 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 192550_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 192550_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31953    2461288.81953    12.38    05:32:09.88 +18:33:10.7   4667 1111   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:32:09.89 +18:33:11.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 180008_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 180008_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 2     2026 09 05.31904    2461288.81904    12.97    05:13:05.02 +20:18:41.0   1982 2264   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Discovery image 3     2026 09 05.31953    2461288.81953    12.97    05:13:05.06 +20:18:41.1   1987 2269   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

  
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Considering the candidate 142657_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 142657_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 3     2026 09 05.31953    2461288.81953    11.96    05:36:37.80 +19:21:17.7   5314 1587   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:36:37.79 +19:21:18.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 120168_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
The candidate 120168_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243 did not pass the final checks
Discovery image 3     2026 09 05.31953    2461288.81953    9.87    05:46:56.43 +17:54:32.1   6785 0700   /data_ssd/NMW-TexasTech/workdir//img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits

**** FOUND  05:46:56.39 +17:54:32.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 143597_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
Preparing report for the candidate 143597_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243
make_report_in_HTML.sh Phase 2 (HTML assembly): 1s
make_report_in_HTML.sh TOTAL: 15s
Prepared the HTML report for the field Tau-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
05:13:25.48 +19:25:29.1
Source monitoring: measuring positions from /data_ssd/NMW-TexasTech/workdir/img_2026-09-05_CI_Tau-04-Q2b1x1_030040_TTUQ2b1x1_3859568_lhpvQ0cQ/monitoring_positions.txt
Read 23918 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3003 to 91.8345 deg, Dec +16.4863 to +27.4061 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3003 to 91.8345 deg, Dec 16.4863 to 27.4061 deg
Loaded 12359 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8849 out of 9135 total matches.
Matched with Tycho-2 9135 out of 23918 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Observation time (mid-exposure, UTC): JD 2461288.81904 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 83.17882 deg  Dec= +22.00973 deg
Frame center: alt= +15.305 deg  az= 76.142 deg  airmass= 3.7250
Header cross-check: CENTALT= 15.109 deg (difference +0.196 deg)
Header cross-check: AIRMASS= 3.7844 (we compute 3.7250)
Airmass zero-point fit: OK  k= +0.2939 +/- 0.0031 mag/airmass  N= 5137  airmass span 2.3920-8.1570  scatter 0.2366 mag
Source monitoring: airmass zero-point for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits: OK +1.243047 -0.293870 3.7250 +0.2939 5137 5.7650 0.2366 2.3920 8.1570
Forced photometry (list mode): image=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits list=monitoring_pixlist3873294.tmp aperture=4.5
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 21.494900
Forced photometry: center=(3208.32, 4226.27) aperture=4.5
Annulus: inner=9.00 outer=22.50
Background annulus: 1338 pixels
Iterative clipping converged after 2 iterations, 1332/1338 pixels remain
SExtractor background: mode=6105.54 median=6104.00 mean=6102.97 sigma=120.82 -> bg=6105.54 (1332 pixels)
Aperture sum=167756.72 N_eff=15.9043
Net flux=70652.29 noise=481.84 SNR=146.63
Instrumental magnitude: -12.1228
Calibrated magnitude: 9.3721
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits
Source monitoring: 1 position(s) measured on wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-15_20.00sec_-0.00C_LIGHT_0242.fits (aperture 4.5 pix)
Read 24336 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 74.3008 to 91.8339 deg, Dec +16.4446 to +27.5005 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 74.3008 to 91.8339 deg, Dec 16.4446 to 27.5005 deg
Loaded 12488 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8964 out of 9264 total matches.
Matched with Tycho-2 9264 out of 24336 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Observation time (mid-exposure, UTC): JD 2461288.81953 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 83.17179 deg  Dec= +22.00134 deg
Frame center: alt= +15.447 deg  az= 76.225 deg  airmass= 3.6928
Header cross-check: CENTALT= 15.249 deg (difference +0.197 deg)
Header cross-check: AIRMASS= 3.7515 (we compute 3.6928)
Airmass zero-point fit: OK  k= +0.3033 +/- 0.0031 mag/airmass  N= 5199  airmass span 2.3795-7.9550  scatter 0.2368 mag
Source monitoring: airmass zero-point for wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits: OK +1.273569 -0.303309 3.6928 +0.3033 5199 5.5754 0.2368 2.3795 7.9550
Forced photometry (list mode): image=wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits list=monitoring_pixlist3873294.tmp aperture=4.4
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 21.482950
Forced photometry: center=(3212.17, 4231.17) aperture=4.4
Annulus: inner=8.80 outer=22.00
Background annulus: 1276 pixels
Iterative clipping converged after 1 iterations, 1273/1276 pixels remain
SExtractor background: mode=6084.72 median=6088.00 mean=6090.18 sigma=125.35 -> bg=6084.72 (1273 pixels)
Aperture sum=165795.02 N_eff=15.2053
Net flux=73274.93 noise=488.80 SNR=149.91
Instrumental magnitude: -12.1624
Calibrated magnitude: 9.3206
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits
Source monitoring: 1 position(s) measured on wcs_fd_Tau-04-Q2b1x1_2026-09-05_02-39-57_20.00sec_-0.00C_LIGHT_0243.fits (aperture 4.4 pix)
########### Completed Tau-04-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
05:21:07.62 +23:38:20.0
05:21:07.64 +23:38:20.0
05:13:25.48 +19:25:29.1
###################################################################################
05:21:07.62 +23:38:20.0  -- not an asteroid (will add it to exclusion list)
05:21:07.64 +23:38:20.0  -- not an asteroid (will add it to exclusion list)
05:13:25.48 +19:25:29.1  -- not an asteroid (will add it to exclusion list)
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
05:13:25.48 +19:25:29.1  -- does not seem to be a hot pixel (will add it to exclusion list)
05:21:07.62 +23:38:20.0  -- does not seem to be a hot pixel (will add it to exclusion list)
05:21:07.64 +23:38:20.0  -- does not seem to be a hot pixel (will add it to exclusion list)
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
05:13:25.48 +19:25:29.1  -- a known variable star
05:21:07.62 +23:38:20.0  -- a known object
05:21:07.64 +23:38:20.0  -- a known object
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
3 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN= NO   ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Adding the following to the exclusion list ####
05:13:25.48 +19:25:29.1
05:21:07.62 +23:38:20.0
05:21:07.64 +23:38:20.0
####################################################
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461288.81904184 -observatory V36
11:26:14.68 +05:00:40.6 Mercury (-1.0mag)
13:30:59.15 -13:45:24.9 Venus (-4.7mag)
07:08:37.92 +23:06:08.0 Mars (1.2mag)
09:07:24.88 +17:04:26.1 Jupiter (-1.8mag)
00:52:10.80 +02:41:49.1 Saturn (0.5mag)
04:13:39.40 +21:01:54.5 Uranus (5.7mag)
00:13:55.92 -00:01:58.4 Neptune (7.7mag)
20:25:43.93 -23:39:09.1 Pluto (14.5mag)
05:43:40.38 +27:37:00.6 Moon (-10.0mag)
-rw-r--r-- 1 apache apache 363 Sep  5 03:03 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461288.81904184:
09:07:31.68 +17:03:53.3 Io (6.2mag)
09:07:27.93 +17:04:11.7 Europa (6.3mag)
09:07:38.15 +17:03:22.7 Ganymede (5.7mag)
09:07:00.26 +17:06:25.5 Callisto (6.9mag)
09:05:07.40 +17:20:03.7 Himalia (15.7mag)
09:07:29.04 +17:04:07.4 Thebe (16.6mag)
09:04:45.69 +17:14:09.4 Elara (17.7mag)
09:11:21.15 +16:32:37.3 Pasiphae (17.9mag)
09:08:38.50 +17:21:40.4 Carme (19.0mag)
00:52:16.44 +02:42:03.3 Titan (8.3mag)
00:52:13.98 +02:41:46.3 Rhea (9.6mag)
00:52:31.00 +02:44:27.7 Iapetus (11.0mag)
00:52:19.33 +02:41:06.2 Hyperion (14.3mag)
00:50:59.66 +02:31:44.6 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Sep  5 03:03 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461288.81904184:
21:48:42.35 -01:02:09.5 JWST
18:50:28.81 +10:41:53.6 Chandra
11:02:38.54 -59:28:00.6 XMM-Newton
-rw-r--r-- 1 apache apache 96 Sep  5 03:03 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461288.81904184 -observatory V36
03:39:11.99 +19:14:45.7 17.4mag P/1996 R2 (Lagerkvist)
18:02:15.44 -34:14:50.4 14.3mag P/2010 H2 (Vales)
07:17:57.48 -70:11:36.1 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:15:27.23 +33:38:57.7 17.7mag C/2017 K2 (PANSTARRS)
04:48:26.55 +45:10:36.9 15.7mag P/2021 N1 (ZTF)
04:48:26.55 +45:10:36.9 15.7mag P/2021 N1 (ZTF)
22:15:04.47 +28:54:26.9 17.4mag C/2022 E2 (ATLAS)
07:08:39.86 +26:00:58.4 16.9mag C/2022 N2 (PANSTARRS)
10:47:40.34 +27:17:53.8 17.1mag C/2022 QE78 (ATLAS)
09:47:24.54 +05:14:36.8 18.0mag C/2022 R6 (PANSTARRS)
15:30:06.79 -15:28:31.2 14.8mag C/2023 R1 (PANSTARRS)
08:36:38.30 +32:46:21.3 15.8mag C/2024 E1 (Wierzchos)
15:06:21.83 +15:20:45.9 17.9mag C/2024 G6 (ATLAS)
18:34:54.69 +43:14:44.2 13.7mag C/2024 J3 (ATLAS)
20:28:54.46 +49:23:56.7 17.4mag C/2024 R4 (PANSTARRS)
05:34:31.75 -13:00:04.3 15.1mag C/2024 T5 (ATLAS)
07:10:55.24 +18:56:11.8 17.8mag C/2025 J1 (Borisov)
11:14:48.90 +18:55:20.8 16.9mag C/2025 V2 (Rankin)
13:18:00.79 +00:16:30.0 16.8mag C/2025 Y1 (ATLAS)
16:36:23.92 +74:21:05.3 16.2mag C/2026 A2 (Bok)
03:06:42.13 +46:11:29.0 17.4mag C/2026 B2 (Sun-Gao)
12:11:26.75 +11:07:14.1 17.5mag A/2026 E1
22:24:21.51 -34:52:46.3 13.3mag 10P/Tempel
11:46:51.08 -05:19:14.2 16.3mag 29P/Schwassmann-Wachmann
12:04:35.22 -04:28:02.5 17.6mag 63P/Wild
00:45:43.90 -06:56:34.9 15.4mag 65P/Gunn
06:35:28.31 +19:23:56.8 17.1mag 78P/Gehrels
03:17:05.24 +14:58:08.6 16.7mag 88P/Howell
05:31:41.53 +27:52:19.5 17.5mag 112P/Urata-Niijima
07:25:53.64 +25:18:43.5 17.9mag 114P/Wiseman-Skiff
10:23:27.92 +21:17:04.2 14.8mag 123P/West-Hartley
12:42:15.97 -20:38:45.2 17.4mag 124P/Mrkos
06:14:59.71 +20:41:55.1 15.9mag 128P/Shoemaker-Holt
02:39:17.69 -17:49:09.4 15.4mag 161P/Hartley-IRAS
09:41:48.76 +15:04:50.9 12.0mag 169P/NEAT
03:22:41.26 +08:37:51.1 14.5mag 220P/McNaught
04:42:41.62 +35:41:33.0 15.2mag 260P/McNaught
08:26:32.16 +35:54:20.6 17.3mag 295P/LINEAR
15:23:58.48 -00:01:35.2 17.9mag 391P/Kowalski
09:26:04.30 +16:57:06.1 17.9mag 450P/LONEOS
-rw-r--r-- 1 apache apache 2.0K Sep  5 03:03 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.74 -22:25:28.60  V8055  2026-08-30.22 10.89
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.89 +49:28:51.30  SN2026wjs  2026-08-9.24 17.09
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.78 +32:04:21.30  AT2026ovz  2026-06-14.59 15.39
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:33.11 -68:48:32.90  ASASSN-26no  2026-05-24.03 8.35
19:00:42.82 -48:31:01.60  ASASSN-26dp  2026-05-22.31 -3.28
14:23:56.59 -58:37:47.40  ASASSN-26dn  2026-05-20.01 14.59
11:24:54.06 +47:57:01.60  AT2026nma  2026-05-20.29 15.46
21:27:08.58 +33:24:38.10  AT2026lli  2026-05-19.34 15.86
00:31:01.41 -13:38:51.70  AT2026nad  2026-05-19.39 15.34
-rw-r--r-- 1 apache apache 5.7K Sep  5 03:03 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:44:56.43 +41:57:41.6  PNV J00445643+4157416  2026-07-13.8026  17.98Cmag
00:42:55.36 +41:17:27.0  PNV J00425536+4117270  2026-07-20.1813  17.7mag
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
-rw-r--r-- 1 apache apache 190K Sep  5 03:03 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
22:37:48.683 +14:31:17.67  AT 2026ylg  2026-08-07.38 20.64
15:22:10.313 +02:36:38.70  AT 2026ylf  2026-08-07.28 20.74
15:13:07.178 +04:34:04.44  AT 2026yle  2026-08-07.28 20.67
16:44:15.935 +15:58:23.98  AT 2026yld  2026-08-07.33 20.42
16:53:19.893 +23:20:52.77  AT 2026ylc  2026-08-07.34 20.62
21:51:46.429 +22:52:34.84  AT 2026ylb  2026-08-07.33 20.55
15:30:03.344 +01:16:22.04  AT 2026yla  2026-08-07.28 20.42
14:58:33.653 +00:08:16.26  AT 2026ykz  2026-08-07.28 20.51
20:30:15.393 +07:13:46.28  AT 2026yky  2026-08-09.29 19.6805
20:13:45.078 -03:03:56.96  AT 2026ykx  2026-08-09.28 19.8907
22:16:15.314 +06:41:29.30  AT 2026ykw  2026-08-09.38 19.6275
22:53:23.090 +37:27:07.60  AT 2026ykv  2026-08-09.12 19.5
15:44:17.610 +55:40:01.02  AT 2026yku  2026-08-06.74 20.54
16:47:10.500 +18:23:40.41  AT 2026ykt  2026-08-05.64 21.21
00:00:24.760 +31:45:39.85  AT 2026yks  2026-08-01.71 20.53
23:52:44.920 +32:12:02.01  AT 2026ykr  2026-07-22.75 21
16:06:45.180 +52:39:40.66  AT 2026ykq  2026-07-21.69 21.66
16:25:59.370 +55:03:28.46  AT 2026ykp  2026-07-10.71 21.35
16:22:27.920 +44:14:05.59  AT 2026yko  2026-07-03.73 20.37
16:24:13.790 +45:07:23.14  AT 2026ykn  2026-07-03.73 21.62
-rw-r--r-- 1 apache apache 88K Sep  5 03:03 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Sat Sep  5 03:02:38 CDT 2026
=======================================
TIMING SExtractor: 3 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 5s (0.08 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 33s (0.55 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 12s (0.20 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 4s (0.07 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 15s (0.25 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 69s (1.15 min)
TIMING SExtractor: 12 seconds
TIMING matching_and_photometry: 11 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 8 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 42s (0.70 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 2s (0.03 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 29s (0.48 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 2s (0.03 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 15s (0.25 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 90s (1.50 min)
FIELD_Tau-04-Q2b1x1: 179s (2.98 min)
=======================================
TOTAL_RUNTIME: 181s (3.02 min)
Finished: Sat Sep  5 03:05:39 CDT 2026