FITS images used in this processing run:

Field Tau-07-Q2b1x1 reference image: Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Field Tau-07-Q2b1x1 reference image: Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Field Tau-07-Q2b1x1 second-epoch image: Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Field Tau-07-Q2b1x1 second-epoch image: Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461049.66635515 09.01.2026 03:59:23.085   /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
First image: 2461049.66635515 09.01.2026 03:59:23.085   /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Last  image: 2461341.74738604 28.10.2026 05:56:04.154   /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.35
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: 2 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):  5298
Objects passed selection criteria:  5276
Measurements per detected object (mean, median, min, max):    2.5    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.5    2.0    2    4
Average stars detected per image: 3419.5
Average stars matched: 3255.5 (95.204 %)
Memory usage VmPeak:   232044 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct 28 01:06:24 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: 2461049.66635515 09.01.2026 03:59:23.085   /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
First image: 2461049.66635515 09.01.2026 03:59:23.085   /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Last  image: 2461341.74738604 28.10.2026 05:56:04.154   /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 3
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.04
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: 12 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):  31452
Objects passed selection criteria:  31355
Measurements per detected object (mean, median, min, max):    2.5    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.5    2.0    2    4
Average stars detected per image: 21401.5
Average stars matched: 20296 (94.8345 %)
Memory usage VmPeak:   255368 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct 28 01:07:16 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
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
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=esa_tap (lib/gaia_dr2_cone_search.sh -> ESA Gaia Archive TAP service)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Tau-07-Q2b1x1
#######################################
########### Starting Tau-07-Q2b1x1 ###########
Processing Tau-07-Q2b1x1
server tau has sufficient free disk space available: 268649 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 268649 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.png' -> 'transient_report/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits_preview.png'

Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits


renamed 'Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.png' -> 'transient_report/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits_preview.png'

Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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= 611.0058
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 549.3758
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 8186.3420
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1718.1563
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 8083.3471
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1699.7884
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 13.3981
INFO:                  SECOND_EPOCH__SD_ratio= 0.011
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 =     16.2600002288818 / [degC] Focuser temperature
AMBTEMP =                 16.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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= '2026-10-28T00:55:13.0043949' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-28T05:55:13.0043949' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61341.2466782872 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-28T05:55:22.9078202' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =      61341.246792905 / 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      =     51.4284093953872 / [deg] RA of telescope" status=0
Record 32: "DEC     =     5.99973935037264 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     51.9277777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     130.227222222222 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      1.2694620357355 / 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-07'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '03 25 43'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+06 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  =                20669 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20669 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.2600002288818 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.2600002288818 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 14.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 87.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.29 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 16.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 39.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            14.401152 / [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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/d_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits :)

Spent 0.723787 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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/d_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     16.2600002288818 / [degC] Focuser temperature
AMBTEMP =                 16.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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= '2026-10-28T00:56:04.1544944' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-28T05:56:04.1544944' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =      61341.247270301 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-28T05:56:14.0582714' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61341.2473849305 / 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      =     51.4284093362469 / [deg] RA of telescope" status=0
Record 32: "DEC     =     5.99973935702812 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     52.0652777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =             130.4975 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      1.2670905781382 / 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-07'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '03 25 43'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+06 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  =                20669 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20669 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.2600002288818 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.2600002288818 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 14.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 87.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.29 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 16.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 39.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            14.401152 / [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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/d_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits :)

Spent 0.701137 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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/d_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Previews of the CALIBRATED second-epoch images:


fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits



fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
  
SExtractor catalog cache: saved Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.cat to cache
SExtractor catalog cache: saved Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Checking WCS cache directory local_wcs_cache
Checking 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: 2461341.74679403
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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits exists and is non-empty
wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits exists and is non-empty
wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits exists and is non-empty
wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (1st reference image)
verification OK: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Image size: 941.5'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: 03:25:45.853 +05:58:58.33 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-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits (1st new image)
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Image size: 937.1'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:44.209 +06:00:16.53 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:25:45.853 +05:58:58.33
Second-epoch image center 03:25:44.209 +06:00:16.53
Angular distance between the image centers 0.0228 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits (2nd new image)
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Image size: 937.1'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:47.167 +05:59:43.92 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:25:45.853 +05:58:58.33
Second-epoch image center 03:25:47.167 +05:59:43.92
Angular distance between the image centers 0.0138 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  03:25:44.209 +06:00:16.53
Second-epoch second image center 03:25:47.167 +05:59:43.92
Angular distance between the image centers 0.01524 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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits &> /tmp/tmp.Myx5K9BbPo
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits &> /tmp/tmp.F2ELpu5xCh
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits &> /tmp/tmp.V4K5w4RMu8
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits &> /tmp/tmp.etzdZ3m8cX
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Calibrating the magnitude scale
Found non-empty wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat 
Found non-empty wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat
The reference image (wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits) and catalog (wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat) found
'wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat' -> 'wcsmag.cat'
Read 6894 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4390 to 59.4125 deg, Dec +0.6809 to +11.2623 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 43.4390 to 59.4125 deg, Dec 0.6809 to 11.2623 deg
Loaded 4344 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): 3518 out of 3704 total matches.
Matched with Tycho-2 3704 out of 6894 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.929400
a=0.000000 b=1.000000 c=22.929400
From vast_summary.log: estimated ref. image limiting mag.:  -7.35
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.58

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.58

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 6894 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4390 to 59.4125 deg, Dec +0.6809 to +11.2623 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 43.4390 to 59.4125 deg, Dec 0.6809 to 11.2623 deg
Loaded 4344 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): 3518 out of 3704 total matches.
Matched with Tycho-2 3704 out of 6894 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Forced-photometry filter: calibrated wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits -> calib.txt_param_ref_wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (aperture=6.0)
Read 6511 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4391 to 59.4125 deg, Dec +0.6696 to +11.2487 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 43.4391 to 59.4125 deg, Dec 0.6696 to 11.2487 deg
Loaded 4348 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): 3541 out of 3691 total matches.
Matched with Tycho-2 3691 out of 6511 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Forced-photometry filter: calibrated wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits -> calib.txt_param_ref_wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits (aperture=6.2)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.0 pix  Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
 2.1 pix  Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
 2.3 pix  fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
 2.4 pix  fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Limiting magnitude estimates:
 15.6 mag.  Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
 15.4 mag.  Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
 13.9 mag.  fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
 13.9 mag.  fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
All-image limiting magnitude estimate:  13.9 (SNR )  10.8 (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.Myx5K9BbPo (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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits' -> 'wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS_IMAGE_NAME=wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS-calibrated image found: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Checking if the catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits alredy exist and is non-empty...
Catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS catalog name: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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=524, bad_region=1590, passed=6894
Got 6894 stars (including 4892 good ones) from the SExtractor catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat 
util/solve_plate_with_UCAC5 got 6894 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (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 0.010461 (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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4758 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4754 matched stars entering correct_measured_positions(), 4754 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4754 matched stars entering correct_measured_positions(), 5638 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 

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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4757 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4753 matched stars entering correct_measured_positions(), 5638 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Accuracy estimation diagnostic: 4753 matched stars entering correct_measured_positions(), 5638 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 4753 stars left (next iteration limit 5229)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits N_match=4753 sigma_overall_arcsec=0.304 sigma_q1_arcsec=0.380 sigma_q2_arcsec=0.320 sigma_q3_arcsec=0.270 sigma_q4_arcsec=0.250 n_q1=1530 n_q2=694 n_q3=1636 n_q4=893 worst_quadrant_to_overall_ratio=1.252
WCS_HEADER_DIAG: file=Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits selection=current_pairs N_selected=4753 N_valid=4753 bias_ra_arcsec=0.001 bias_dec_arcsec=0.004 median_sep_arcsec=0.249 p95_sep_arcsec=0.775 n_q1=1530 n_q2=694 n_q3=1636 n_q4=893 occupied_cells_4x4=16/16
The image catalog is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits -region wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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.F2ELpu5xCh (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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits' -> 'wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS_IMAGE_NAME=wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS-calibrated image found: wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Checking if the catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits alredy exist and is non-empty...
Catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS catalog name: wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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=474, bad_region=1522, passed=6511
Got 6511 stars (including 4629 good ones) from the SExtractor catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat 
util/solve_plate_with_UCAC5 got 6511 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (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 0.010464 (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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 4512 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4508 matched stars entering correct_measured_positions(), 4508 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4508 matched stars entering correct_measured_positions(), 5309 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 

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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 4512 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4508 matched stars entering correct_measured_positions(), 5309 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Accuracy estimation diagnostic: 4508 matched stars entering correct_measured_positions(), 5309 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 4508 stars left (next iteration limit 4958)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits N_match=4508 sigma_overall_arcsec=0.305 sigma_q1_arcsec=0.372 sigma_q2_arcsec=0.313 sigma_q3_arcsec=0.278 sigma_q4_arcsec=0.247 n_q1=1470 n_q2=658 n_q3=1531 n_q4=849 worst_quadrant_to_overall_ratio=1.220
WCS_HEADER_DIAG: file=Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits selection=current_pairs N_selected=4508 N_valid=4508 bias_ra_arcsec=-0.002 bias_dec_arcsec=-0.005 median_sep_arcsec=0.252 p95_sep_arcsec=0.719 n_q1=1470 n_q2=658 n_q3=1531 n_q4=849 occupied_cells_4x4=16/16
The image catalog is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits -region wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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.V4K5w4RMu8 (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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS_IMAGE_NAME=wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS-calibrated image found: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Checking if the catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS catalog name: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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=321, bad_region=558, passed=2291
Got 2291 stars (including 1472 good ones) from the SExtractor catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat 
util/solve_plate_with_UCAC5 got 2291 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.1'
Seting catalog search parameters based on the expected field of view 937.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013015 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010412 (37.5 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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1437 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1434 matched stars entering correct_measured_positions(), 1433 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1434 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1437 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1434 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 1434 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 1434 stars left (next iteration limit 1577)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1434 robust_rms=8.048 arcsec worst_region_rms=13.972 arcsec outer_annulus_rms=13.972 arcsec
SIP_REFIT: SIP order 3 trial: matched=1434 robust_rms=0.448 arcsec worst_region_rms=0.828 arcsec outer_annulus_rms=0.828 arcsec
SIP_REFIT: SIP order 5 trial: matched=1434 robust_rms=0.369 arcsec worst_region_rms=0.487 arcsec outer_annulus_rms=0.487 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1434 robust_rms_before=0.977 arcsec robust_rms_before_corrected=0.391 arcsec robust_rms_after=0.369 arcsec worst_region_rms_before=0.547 worst_region_rms_after=0.487 outer_annulus_rms_before=1.115 outer_annulus_rms_after=0.487
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.sip_refit.aqgbo8/candidate.fits
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.sip_refit.aqgbo8/candidate.fits
Image size: 937.4'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:44.218 +06:00:15.83 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 2291 stars ###
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.sip_refit.aqgbo8/candidate.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction_3860576.cat.log'
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.sip_refit.aqgbo8/candidate.wcscat.xy2sky.x7qBmc' -> 'vast_debug_catalog_after_xy2sky_correction_3860576.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 0.977 -> 0.369 arcsec)
SIP_REFIT: re-matching the catalog with the refit solution (cycle 1, search radius 3.0 arcsec, 1434 pairs from the previous matching)
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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1367 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
SIP_REFIT: re-match found 1367 pairs (1434 from the previous matching)
SIP_REFIT: SIP order 2 trial: matched=1367 robust_rms=7.815 arcsec worst_region_rms=14.392 arcsec outer_annulus_rms=14.392 arcsec
SIP_REFIT: SIP order 3 trial: matched=1367 robust_rms=0.444 arcsec worst_region_rms=0.727 arcsec outer_annulus_rms=0.727 arcsec
SIP_REFIT: SIP order 5 trial: matched=1367 robust_rms=0.369 arcsec worst_region_rms=0.505 arcsec outer_annulus_rms=0.505 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1367 robust_rms_before=0.370 arcsec robust_rms_before_corrected=0.370 arcsec robust_rms_after=0.369 arcsec worst_region_rms_before=0.493 worst_region_rms_after=0.505 outer_annulus_rms_before=0.493 outer_annulus_rms_after=0.505
SIP_REFIT: the refit on the re-matched pairs is worse than the solution it would replace (worst-region 0.505 vs 0.493 arcsec) - keeping the current solution
SIP_REFIT: the refit on the re-matched pairs was not applied - keeping the current solution
Accuracy estimation diagnostic: 1367 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 1367 matched stars entering correct_measured_positions(), 1829 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
WCS_QUALITY_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits N_match=1367 sigma_overall_arcsec=0.396 sigma_q1_arcsec=0.344 sigma_q2_arcsec=0.427 sigma_q3_arcsec=0.438 sigma_q4_arcsec=0.389 n_q1=470 n_q2=326 n_q3=334 n_q4=237 worst_quadrant_to_overall_ratio=1.105
WCS_HEADER_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits selection=current_pairs N_selected=1367 N_valid=1367 bias_ra_arcsec=-0.007 bias_dec_arcsec=0.007 median_sep_arcsec=0.305 p95_sep_arcsec=0.933 n_q1=470 n_q2=326 n_q3=334 n_q4=237 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits -region wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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.etzdZ3m8cX (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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS_IMAGE_NAME=wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS-calibrated image found: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Checking if the catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS catalog name: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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=318, bad_region=557, passed=2285
Got 2285 stars (including 1467 good ones) from the SExtractor catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat 
util/solve_plate_with_UCAC5 got 2285 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.1'
Seting catalog search parameters based on the expected field of view 937.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013015 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010412 (37.5 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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1431 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1428 matched stars entering correct_measured_positions(), 1428 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1428 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 

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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1431 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1428 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 1428 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 1428 stars left (next iteration limit 1570)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1428 robust_rms=7.998 arcsec worst_region_rms=13.385 arcsec outer_annulus_rms=13.385 arcsec
SIP_REFIT: SIP order 3 trial: matched=1428 robust_rms=0.464 arcsec worst_region_rms=1.009 arcsec outer_annulus_rms=1.009 arcsec
SIP_REFIT: SIP order 5 trial: matched=1428 robust_rms=0.362 arcsec worst_region_rms=0.504 arcsec outer_annulus_rms=0.504 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1428 robust_rms_before=0.975 arcsec robust_rms_before_corrected=0.385 arcsec robust_rms_after=0.362 arcsec worst_region_rms_before=0.592 worst_region_rms_after=0.504 outer_annulus_rms_before=1.143 outer_annulus_rms_after=0.504
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.sip_refit.b3JkLH/candidate.fits
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.sip_refit.b3JkLH/candidate.fits
Image size: 937.4'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:47.179 +05:59:43.15 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 2285 stars ###
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.sip_refit.b3JkLH/candidate.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction_3860588.cat.log'
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.sip_refit.b3JkLH/candidate.wcscat.xy2sky.rEmSTX' -> 'vast_debug_catalog_after_xy2sky_correction_3860588.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 0.975 -> 0.362 arcsec)
SIP_REFIT: re-matching the catalog with the refit solution (cycle 1, search radius 3.0 arcsec, 1428 pairs from the previous matching)
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 453 to 508 (Dec 0.7 to 11.2)
Done reading UCAC5 zone files...
Matched 1365 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
SIP_REFIT: re-match found 1365 pairs (1428 from the previous matching)
SIP_REFIT: SIP order 2 trial: matched=1365 robust_rms=7.689 arcsec worst_region_rms=14.424 arcsec outer_annulus_rms=14.424 arcsec
SIP_REFIT: SIP order 3 trial: matched=1365 robust_rms=0.454 arcsec worst_region_rms=1.012 arcsec outer_annulus_rms=1.012 arcsec
SIP_REFIT: SIP order 5 trial: matched=1365 robust_rms=0.363 arcsec worst_region_rms=0.510 arcsec outer_annulus_rms=0.510 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1365 robust_rms_before=0.362 arcsec robust_rms_before_corrected=0.362 arcsec robust_rms_after=0.363 arcsec worst_region_rms_before=0.509 worst_region_rms_after=0.510 outer_annulus_rms_before=0.509 outer_annulus_rms_after=0.510
SIP_REFIT: the refit on the re-matched pairs is worse than the solution it would replace (worst-region 0.510 vs 0.509 arcsec) - keeping the current solution
SIP_REFIT: the refit on the re-matched pairs was not applied - keeping the current solution
Accuracy estimation diagnostic: 1365 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 1365 matched stars entering correct_measured_positions(), 1824 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
WCS_QUALITY_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits N_match=1365 sigma_overall_arcsec=0.393 sigma_q1_arcsec=0.328 sigma_q2_arcsec=0.415 sigma_q3_arcsec=0.444 sigma_q4_arcsec=0.398 n_q1=470 n_q2=328 n_q3=333 n_q4=234 worst_quadrant_to_overall_ratio=1.129
WCS_HEADER_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits selection=current_pairs N_selected=1365 N_valid=1365 bias_ra_arcsec=-0.004 bias_dec_arcsec=0.001 median_sep_arcsec=0.302 p95_sep_arcsec=0.951 n_q1=470 n_q2=328 n_q3=333 n_q4=234 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits -region wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits to local_wcs_cache/
'wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits' -> 'local_wcs_cache/wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits'
Saving the final (post-refit) wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits to local_wcs_cache/
'wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits' -> 'local_wcs_cache/wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits'
Saving the final (post-refit) wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits to local_wcs_cache/
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits' -> 'local_wcs_cache/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits'
Saving the final (post-refit) wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits to local_wcs_cache/
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits' -> 'local_wcs_cache/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits sigma_overall=0.304 worst_q_ratio=1.252
ref2=Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits sigma_overall=0.305 worst_q_ratio=1.220
new1=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits sigma_overall=0.396 worst_q_ratio=1.105
new2=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits sigma_overall=0.393 worst_q_ratio=1.129
reference average sigma_overall=0.3045 worst_q_ratio=1.236
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129_astrometric_residuals.png (4753 matched stars from wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.27 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164_astrometric_residuals.png (4508 matched stars from wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.27 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314_astrometric_residuals.png (1367 matched stars from wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.29 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315_astrometric_residuals.png (1365 matched stars from wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.29 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits'
Saving fully-calibrated image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits'
Preparing the HTML report for the field Tau-07-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field Tau-07-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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
  
SExtractor catalog cache: saved Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.cat to cache
SExtractor catalog cache: saved Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Creating symlink local_wcs_cache/wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Creating symlink local_wcs_cache/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Creating symlink local_wcs_cache/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Checking 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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits exists and is non-empty
wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits exists and is non-empty
wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits exists and is non-empty
wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (1st reference image)
verification OK: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Image size: 941.5'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: 03:25:45.853 +05:58:58.33 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-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits (1st new image)
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Image size: 937.4'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:44.218 +06:00:15.83 J2000 4789.000 3195.000 
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# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:25:45.853 +05:58:58.33
Second-epoch image center 03:25:44.218 +06:00:15.83
Angular distance between the image centers 0.0226 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
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###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits (2nd new image)
verification OK: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Image size: 937.4'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:25:47.179 +05:59:43.15 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:25:45.853 +05:58:58.33
Second-epoch image center 03:25:47.179 +05:59:43.15
Angular distance between the image centers 0.0136 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  03:25:44.218 +06:00:15.83
Second-epoch second image center 03:25:47.179 +05:59:43.15
Angular distance between the image centers 0.01526 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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits &> /tmp/tmp.vt4NH3Ii7Q
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits &> /tmp/tmp.72zB4Ck9M6
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits &> /tmp/tmp.jNgtCnTKwI
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits &> /tmp/tmp.5raP7PBpnd
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Calibrating the magnitude scale
Found non-empty wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat 
Found non-empty wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits and wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat
The reference image (wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits) and catalog (wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat) found
'wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat' -> 'wcsmag.cat'
Read 40138 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4339 to 59.4138 deg, Dec +0.6809 to +11.2698 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 43.4339 to 59.4138 deg, Dec 0.6809 to 11.2698 deg
Loaded 4347 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): 3388 out of 3752 total matches.
Matched with Tycho-2 3752 out of 40138 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.807750
a=0.000000 b=1.000000 c=22.807750
From vast_summary.log: estimated ref. image limiting mag.:  -7.04
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.77

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.77

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 40138 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4339 to 59.4138 deg, Dec +0.6809 to +11.2698 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 43.4339 to 59.4138 deg, Dec 0.6809 to 11.2698 deg
Loaded 4347 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): 3388 out of 3752 total matches.
Matched with Tycho-2 3752 out of 40138 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Forced-photometry filter: calibrated wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits -> calib.txt_param_ref_wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (aperture=4.6)
Read 36794 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 43.4364 to 59.4140 deg, Dec +0.6695 to +11.2585 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 43.4364 to 59.4140 deg, Dec 0.6695 to 11.2585 deg
Loaded 4354 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): 3421 out of 3757 total matches.
Matched with Tycho-2 3757 out of 36794 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Forced-photometry filter: calibrated wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits -> calib.txt_param_ref_wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits (aperture=4.8)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 1 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 1.9 pix  Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
 2.0 pix  Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
 2.2 pix  fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
 2.2 pix  fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Limiting magnitude estimates:
 15.8 mag.  Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
 15.6 mag.  Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
 14.2 mag.  fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
 14.2 mag.  fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
All-image limiting magnitude estimate:  14.2 (SNR )  13.4 (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.vt4NH3Ii7Q (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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits' -> 'wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS_IMAGE_NAME=wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS-calibrated image found: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
Checking if the catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits alredy exist and is non-empty...
Catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits
WCS catalog name: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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=9, blended=1702, bad_region=7340, passed=40129
Got 40129 stars (including 31384 good ones) from the SExtractor catalog wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat 
util/solve_plate_with_UCAC5 got 40129 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (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 0.010461 (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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4869 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 4867 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 34352 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 

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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4869 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 34352 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 34352 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 4867 stars left (next iteration limit 5353)
Stop iterations.


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

SIP_REFIT: wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits N_match=4867 sigma_overall_arcsec=0.294 sigma_q1_arcsec=0.374 sigma_q2_arcsec=0.313 sigma_q3_arcsec=0.259 sigma_q4_arcsec=0.238 n_q1=1596 n_q2=695 n_q3=1675 n_q4=901 worst_quadrant_to_overall_ratio=1.274
WCS_HEADER_DIAG: file=Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits selection=current_pairs N_selected=4867 N_valid=4867 bias_ra_arcsec=0.003 bias_dec_arcsec=0.005 median_sep_arcsec=0.243 p95_sep_arcsec=0.753 n_q1=1596 n_q2=695 n_q3=1675 n_q4=901 occupied_cells_4x4=16/16
The image catalog is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits -region wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-07-Q2b1x1_2026-01-08_21-59-23_20.00sec_-15.00C_LIGHT_0129.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.72zB4Ck9M6 (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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits' -> 'wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS_IMAGE_NAME=wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS-calibrated image found: wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
Checking if the catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits alredy exist and is non-empty...
Catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat corresponding to the image wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits
WCS catalog name: wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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=11, blended=1580, bad_region=6747, passed=36783
Got 36783 stars (including 28751 good ones) from the SExtractor catalog wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat 
util/solve_plate_with_UCAC5 got 36783 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (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 0.010464 (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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4870 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 4867 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 31491 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26" 

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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4870 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 31491 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 31491 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 4867 stars left (next iteration limit 5353)
Stop iterations.


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

SIP_REFIT: wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits N_match=4867 sigma_overall_arcsec=0.296 sigma_q1_arcsec=0.346 sigma_q2_arcsec=0.305 sigma_q3_arcsec=0.271 sigma_q4_arcsec=0.257 n_q1=1595 n_q2=712 n_q3=1658 n_q4=902 worst_quadrant_to_overall_ratio=1.169
WCS_HEADER_DIAG: file=Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits selection=current_pairs N_selected=4867 N_valid=4867 bias_ra_arcsec=-0.003 bias_dec_arcsec=0.003 median_sep_arcsec=0.250 p95_sep_arcsec=0.676 n_q1=1595 n_q2=712 n_q3=1658 n_q4=902 occupied_cells_4x4=16/16
The image catalog is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits -region wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Tau-07-Q2b1x1_2026-01-17_22-38-32_20.00sec_-14.90C_LIGHT_0164.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.jNgtCnTKwI (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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS_IMAGE_NAME=wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS-calibrated image found: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Checking if the catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
WCS catalog name: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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=5, blended=507, bad_region=2472, passed=14039
Got 14039 stars (including 11191 good ones) from the SExtractor catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat 
util/solve_plate_with_UCAC5 got 14039 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010416 (37.5 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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4885 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 4877 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 12204 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 

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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4886 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 12204 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.43" 
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 12204 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Excluding outliers - 4877 stars left (next iteration limit 5364)
Stop iterations.


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

SIP_REFIT: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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=4877 robust_rms=7.695 arcsec worst_region_rms=13.713 arcsec outer_annulus_rms=13.713 arcsec
SIP_REFIT: SIP order 3 trial: matched=4877 robust_rms=0.538 arcsec worst_region_rms=0.835 arcsec outer_annulus_rms=0.835 arcsec
SIP_REFIT: SIP order 5 trial: matched=4877 robust_rms=0.447 arcsec worst_region_rms=0.557 arcsec outer_annulus_rms=0.557 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4877 robust_rms_before=0.453 arcsec robust_rms_before_corrected=0.447 arcsec robust_rms_after=0.447 arcsec worst_region_rms_before=0.574 worst_region_rms_after=0.557 outer_annulus_rms_before=0.574 outer_annulus_rms_after=0.557
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.574 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits worst_region_rms_kept=0.574 arcsec robust_rms_kept=0.447 arcsec matched=4877
WCS_QUALITY_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits N_match=4877 sigma_overall_arcsec=0.449 sigma_q1_arcsec=0.408 sigma_q2_arcsec=0.459 sigma_q3_arcsec=0.466 sigma_q4_arcsec=0.469 n_q1=1706 n_q2=1002 n_q3=1307 n_q4=862 worst_quadrant_to_overall_ratio=1.045
WCS_HEADER_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits selection=current_pairs N_selected=4877 N_valid=4877 bias_ra_arcsec=0.003 bias_dec_arcsec=-0.015 median_sep_arcsec=0.367 p95_sep_arcsec=1.081 n_q1=1706 n_q2=1002 n_q3=1307 n_q4=862 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits -region wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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.5raP7PBpnd (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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS_IMAGE_NAME=wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS-calibrated image found: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Checking if the catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits alredy exist and is non-empty...
Catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat corresponding to the image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
WCS catalog name: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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=1, no_mag_err=0, low_SNR=3, blended=520, bad_region=2512, passed=14212
Got 14212 stars (including 11313 good ones) from the SExtractor catalog wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat 
util/solve_plate_with_UCAC5 got 14212 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010416 (37.5 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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4881 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4874 matched stars entering correct_measured_positions(), 4874 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4874 matched stars entering correct_measured_positions(), 12341 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 

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 453 to 508 (Dec 0.7 to 11.3)
Done reading UCAC5 zone files...
Matched 4881 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 12341 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.43" 
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 12341 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Excluding outliers - 4873 stars left (next iteration limit 5361)
Stop iterations.


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

SIP_REFIT: wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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=4873 robust_rms=7.821 arcsec worst_region_rms=13.499 arcsec outer_annulus_rms=13.499 arcsec
SIP_REFIT: SIP order 3 trial: matched=4873 robust_rms=0.560 arcsec worst_region_rms=0.828 arcsec outer_annulus_rms=0.828 arcsec
SIP_REFIT: SIP order 5 trial: matched=4873 robust_rms=0.453 arcsec worst_region_rms=0.575 arcsec outer_annulus_rms=0.575 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4873 robust_rms_before=0.458 arcsec robust_rms_before_corrected=0.452 arcsec robust_rms_after=0.453 arcsec worst_region_rms_before=0.566 worst_region_rms_after=0.575 outer_annulus_rms_before=0.580 outer_annulus_rms_after=0.575
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.566 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits worst_region_rms_kept=0.566 arcsec robust_rms_kept=0.452 arcsec matched=4873
WCS_QUALITY_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits N_match=4873 sigma_overall_arcsec=0.453 sigma_q1_arcsec=0.413 sigma_q2_arcsec=0.468 sigma_q3_arcsec=0.485 sigma_q4_arcsec=0.462 n_q1=1697 n_q2=986 n_q3=1312 n_q4=878 worst_quadrant_to_overall_ratio=1.072
WCS_HEADER_DIAG: file=fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits selection=current_pairs N_selected=4873 N_valid=4873 bias_ra_arcsec=0.009 bias_dec_arcsec=-0.015 median_sep_arcsec=0.373 p95_sep_arcsec=1.087 n_q1=1697 n_q2=986 n_q3=1312 n_q4=878 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits -region wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-55-13_20.00sec_0.00C_LIGHT_0314.fits
Saving fully-calibrated image wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.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_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/wcs_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits
Preparing the HTML report for the field Tau-07-Q2b1x1 with default.sex.telephoto_lens_vSTL
make_report_in_HTML.sh Phase 1 (network queries): 0s
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: 1s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 52127_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315
The candidate 52127_fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315 did not pass the final checks
Discovery image 2     2026 10 28.24739    2461341.74739    12.12    03:32:41.27 +09:22:41.5   5840 5234   /data_ssd/NMW-TexasTech/workdir//img_2026-10-28_CI_Tau-07-Q2b1x1_010110_TTUQ2b1x1_3598067_292tk0uH/fd_Tau-07-Q2b1x1_2026-10-28_00-56-04_20.00sec_-0.00C_LIGHT_0315.fits

**** FOUND  03:32:41.25 +09:22:41.5 in the exclusion list exclusion_list_bsc.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Tau-07-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed Tau-07-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 ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
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)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 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
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461341.74679403 -observatory V36
15:05:19.38 -19:58:25.9 Mercury (1.3mag)
13:35:09.38 -16:04:03.2 Venus (-4.3mag)
09:17:04.05 +17:23:27.9 Mars (0.9mag)
09:44:07.64 +14:19:57.3 Jupiter (-2.0mag)
00:37:52.51 +01:09:02.8 Saturn (0.4mag)
04:09:57.72 +20:52:32.5 Uranus (5.6mag)
00:08:48.89 -00:35:18.3 Neptune (7.7mag)
20:24:17.46 -23:42:24.9 Pluto (14.5mag)
04:00:16.35 +25:23:32.3 Moon (-12.0mag)
-rw-r--r-- 1 apache apache 362 Oct 28 01:06 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461341.74679403:
09:44:14.64 +14:19:18.0 Io (6.0mag)
09:44:02.33 +14:20:26.6 Europa (6.1mag)
09:44:06.96 +14:20:02.1 Ganymede (5.5mag)
09:43:42.74 +14:22:16.8 Callisto (6.8mag)
09:45:08.12 +14:33:15.8 Himalia (15.5mag)
09:44:04.48 +14:20:15.1 Thebe (16.4mag)
09:43:32.97 +14:44:29.4 Elara (17.4mag)
09:45:22.69 +13:45:36.7 Pasiphae (17.7mag)
09:41:33.51 +14:50:47.9 Carme (18.7mag)
00:37:38.34 +01:09:07.8 Titan (8.2mag)
00:37:54.41 +01:08:44.8 Rhea (9.6mag)
00:38:09.30 +01:08:22.7 Iapetus (11.0mag)
00:37:45.90 +01:09:21.8 Hyperion (14.2mag)
00:36:06.29 +00:56:42.5 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct 28 01:06 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461341.74679403:
04:14:59.77 +18:50:43.2 JWST
18:50:35.50 +07:49:41.2 Chandra
06:33:13.75 +12:40:47.7 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct 28 01:06 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461341.74679403 -observatory V36
03:37:59.17 +20:04:31.6 17.1mag P/1996 R2 (Lagerkvist)
07:44:24.24 +37:57:21.1 17.9mag P/2004 V5 (LINEAR-Hill)
07:44:29.38 +37:57:08.3 17.9mag P/2004 V5-A (LINEAR-Hill)
07:43:49.15 +37:57:24.6 17.9mag P/2004 V5-B (LINEAR-Hill)
05:02:50.27 +40:04:56.9 17.8mag P/2009 Y2 (Kowalski)
18:41:18.89 -33:03:33.0 14.9mag P/2010 H2 (Vales)
07:44:37.71 -73:30:37.1 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:13:00.18 +35:08:13.3 17.7mag C/2017 K2 (PANSTARRS)
04:28:26.87 +47:37:07.7 17.8mag P/2021 N1 (ZTF)
07:34:55.68 +25:20:53.9 16.9mag C/2022 N2 (PANSTARRS)
09:07:42.04 +37:40:42.6 16.4mag C/2024 E1 (Wierzchos)
18:33:15.87 +40:57:50.0 17.4mag C/2024 J3 (ATLAS)
05:44:46.79 -13:38:37.5 16.4mag C/2024 T5 (ATLAS)
12:49:41.65 +14:38:25.3 15.8mag C/2025 V2 (Rankin)
14:08:34.28 -04:06:08.2 16.4mag C/2025 Y1 (ATLAS)
19:51:04.42 +56:55:13.7 15.4mag C/2026 A2 (Bok)
13:01:46.76 +16:09:49.8 17.7mag A/2026 E1
16:14:12.90 -60:25:34.9 14.0mag P/2026 R2 (Leonard)
19:28:13.41 -05:15:29.6 16.8mag P/2026 T1 (ATLAS)
23:43:52.66 +15:37:34.9 17.0mag 2P/Encke
23:18:12.89 -27:29:19.9 15.2mag 10P/Tempel
02:32:41.07 +33:35:14.8 16.4mag 11P/Tempel-Swift-LINEAR
12:22:17.02 -09:32:15.4 16.3mag 29P/Schwassmann-Wachmann
00:13:07.91 -09:05:25.6 15.8mag 65P/Gunn
07:54:57.68 +14:12:56.4 13.9mag 78P/Gehrels
02:41:28.75 +13:24:25.0 18.0mag 88P/Howell
08:39:06.96 +44:34:40.3 17.1mag 112P/Urata-Niijima
09:39:13.01 +07:55:53.1 17.7mag 114P/Wiseman-Skiff
12:14:53.38 +09:25:27.9 14.8mag 123P/West-Hartley
20:05:56.34 +12:35:01.6 10.0mag 161P/Hartley-IRAS
10:58:53.25 -01:58:01.1 15.7mag 169P/NEAT
03:16:31.26 +02:41:46.0 15.1mag 220P/McNaught
06:20:53.99 +48:39:35.3 15.6mag 260P/McNaught
07:49:46.27 +25:12:01.7 17.6mag 266P/Christensen
-rw-r--r-- 1 apache apache 1.7K Oct 28 01:06 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
17:54:18.84 -27:36:35.70  TCP J17541876-2736362  2026-10-24.76 9.92
10:38:47.97 +53:30:34.00  SN2026sqf  2026-10-24.6 13.27
21:49:53.30 +14:07:44.90  ASASSN-26fq  2026-10-23.23 14.82
01:00:14.36 +34:04:05.90  ASASSN-26fp  2026-10-23.34 12.9
01:06:23.14 -63:46:37.10  ASASSN-26fo  2026-10-19.79 -4.88
00:25:28.03 +20:14:39.10  SN2026afqd  2026-10-19.36 -0.77
22:14:03.37 -45:07:18.60  ASASSN-26fm  2026-10-13.75 14.42
01:57:48.19 -33:14:42.30  SN 2026aedl  2026-10-12.33 15.3
18:05:22.06 +17:52:41.00  ASASSN-26fn  2026-10-11.74 15.23
21:50:55.86 -02:51:49.30  SN2026acyb  2026-10-9.85 16.83
03:40:34.04 +02:31:56.70  SN2026acvp  2026-10-9.95 17.75
04:33:25.91 -13:41:04.20  SN2026adhl  2026-10-9.94 17.52
09:20:05.05 +27:03:12.40  SN2026aeif  2026-10-9.47 15.93
02:58:07.77 -65:18:52.90  ASASSN-26fl  2026-10-7.9 -0.85
02:49:03.98 -49:55:57.00  SN 2026adfy  2026-10-4.88 16.61
22:03:46.31 -11:07:57.70  AT2026adgn  2026-10-4.28 -2.56
15:03:12.98 +49:51:05.40  ASASSN-26fj  2026-10-2.06 15.91
08:07:27.96 -65:51:03.90  ASASSN-26fi  2026-10-1.36 15.82
21:02:34.66 +23:57:26.20  ASASSN-26fh  2026-10-1.27 15.94
20:00:16.62 +03:26:29.90  AT2026adfv  2026-10-1.3 16.42
00:08:42.74 -32:33:16.50  SN2026abhc  2026-09-29.15 15.57
21:02:30.26 -19:27:41.80  SN2026acxa  2026-09-29.13 14.65
04:39:17.45 -28:06:12.40  ASASSN-26fg  2026-09-23.25 15.73
05:25:07.80 +04:38:32.40  SN2026aajs  2026-09-21.32 17.04
19:56:12.67 +08:25:27.70  AT2026acgs  2026-09-18.14 15.84
00:02:34.06 +52:55:18.90  ASASSN-26ff  2026-09-16.38 15.41
23:44:33.18 +17:46:12.20  SN2026yjv  2026-09-15.38 18.32
16:21:12.24 +57:37:51.30  SN 2026aafh  2026-09-14.11 15.02
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi  2026-09-12.99 16.58
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs  2026-09-13.47 17
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars  2026-09-12.27 16.93
02:47:25.52 -32:58:34.50  SN 2026znh  2026-09-9.92 16.26
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.64 +34:24:35.00  SN2026aaiv  2026-09-7.25 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.79 -22:25:29.10  V8055  2026-08-30 10.76
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
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
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
01:21:27.89 -10:37:05.90  SN2026vbh  2026-07-25.05 15.79
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
-rw-r--r-- 1 apache apache 5.7K Oct 28 01:06 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
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
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
00:38:15.01 +41:14:47.2  TCP J00381501+4114472  2026-10-08.5978  17.72Cmag
01:06:05.83 +09:51:20.4  TCP J01060583+0951204  2026-10-10.8543  14.54Cmag
17:54:18.76 -27:36:36.2  TCP J17541876-2736362  2026-10-12.3993  10.8mag
09:56:00.79 +69:06:15.2  PNV J09560079+6906152  2026-10-14.9274  19.38Cmag
00:43:30.83 +41:26:55.3  PNV J00433083+4126553  2026-10-17.5651  18.61Cmag
04:57:32.08 +30:15:41.6  TCP J04573208+3015416  2026-10-17.7818  18.21Cmag
05:21:07.64 +23:38:21.3  TCP J05210764+2338213  2026-10-18.4020  10.3mag
05:34:11.01 +28:45:30.5  TCP J05341101+2845305  2026-10-18.3604  16.6mag
-rw-r--r-- 1 apache apache 191K Oct 28 01:06 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
00:24:47.391 -02:59:42.80  SN 2026aett  2026-10-08.29 20.1822
02:59:10.941 -20:30:34.93  AT 2026aets  2026-10-06.37 19.7659
05:53:12.927 +45:08:05.58  AT 2026aetr  2026-10-04.49 19.6205
06:25:25.402 +52:26:28.41  AT 2026aetq  2026-10-08.47 18.185
01:27:10.008 +12:53:26.88  TDE 2026aetp  2026-10-06.86 20.42
06:50:16.761 +21:22:25.66  AT 2026aeto  2026-10-07.46 19.0121
19:50:47.681 +36:22:07.63  AT 2026aetn  2026-10-05.31 19.441
07:21:33.096 +24:38:24.50  AT 2026aetl  2026-10-07.22 19.8
08:30:03.915 +01:34:45.41  AT 2026aetk  2026-10-05.52 19.5934
10:32:09.821 +11:37:46.17  AT 2026aetj  2026-10-01.53 18.5059
16:11:43.883 +20:59:33.48  AT 2026aeti  2026-10-03.14 19.2268
19:55:55.462 +58:10:08.22  AT 2026aeth  2026-10-02.16 20.7283
14:55:19.146 +37:33:21.65  AT 2026aetg  2026-10-02.14 17.2445
14:51:59.504 +47:04:29.76  AT 2026aetf  2026-10-02.14 19.1738
06:50:36.388 +58:36:08.80  SN 2026aete  2026-10-07.53 19.306
09:20:29.340 +55:06:35.79  SN 2026aetd  2026-10-07.54 17.677
08:26:28.724 +38:08:57.54  AT 2026aetc  2026-10-02.47 19.3657
06:41:51.189 +21:53:58.11  SN 2026aetb  2026-10-07.46 19.5374
08:34:43.981 +46:14:33.95  AT 2026aeta  2026-10-02.51 19.5454
09:00:29.362 -03:20:55.67  AT 2026aesz  2026-10-03.53 19.6849
-rw-r--r-- 1 apache apache 89K Oct 28 01:06 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Wed Oct 28 01:03:08 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 2s (0.03 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 28s (0.47 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 9s (0.15 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: 3s (0.05 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 42s (0.70 min)
TIMING SExtractor: 5 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 4 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 12s (0.20 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 10s (0.17 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: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 25s (0.42 min)
FIELD_Tau-07-Q2b1x1: 83s (1.38 min)
=======================================
TOTAL_RUNTIME: 261s (4.35 min)
Finished: Wed Oct 28 01:07:29 CDT 2026