FITS images used in this processing run:

Field UMa-04-Q2b1x1 reference image: UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Field UMa-04-Q2b1x1 reference image: UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Field UMa-04-Q2b1x1 second-epoch image: UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Field UMa-04-Q2b1x1 second-epoch image: UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.77304396 22.02.2026 06:33:00.998   /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
First image: 2461093.77304396 22.02.2026 06:33:00.998   /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Last  image: 2461249.70304800 28.07.2026 04:52:13.347   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.49
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 5 seconds
Number of parallel threads: 24
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
Total objects detected (at least 2 times):  5951
Objects passed selection criteria:  5909
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: 3793.75
Average stars matched: 3582 (94.4185 %)
Memory usage VmPeak:   232456 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Mon Jul 27 15:05:04 CDT 2026
VaST build number  1.0rc89-179-g7448399e
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-27)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Jul 28 00:57:14 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: 2461093.77304396 22.02.2026 06:33:00.998   /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
First image: 2461093.77304396 22.02.2026 06:33:00.998   /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Last  image: 2461249.70304800 28.07.2026 04:52:13.347   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 15
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.21
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: 10 seconds
Number of parallel threads: 24
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
Total objects detected (at least 2 times):  30846
Objects passed selection criteria:  30724
Measurements per detected object (mean, median, min, max):    2.6    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.6    2.0    2    4
Average stars detected per image: 21349.8
Average stars matched: 19923.2 (93.3184 %)
Memory usage VmPeak:   254076 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Mon Jul 27 15:05:04 CDT 2026
VaST build number  1.0rc89-179-g7448399e
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-27)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Jul 28 00:59:10 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= 
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
UMa-04-Q2b1x1
#######################################
########### Starting UMa-04-Q2b1x1 ###########
Processing UMa-04-Q2b1x1
server tau has sufficient free disk space available: 1097973 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 1097973 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.png' -> 'transient_report/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits_preview.png'

UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits


renamed 'UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.png' -> 'transient_report/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits_preview.png'

UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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= 482.7200
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 528.8252
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 3399.1374
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 773.6830
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 3404.9939
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 775.4018
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 7.04163
INFO:                  SECOND_EPOCH__SD_ratio= 0.002
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 =     27.2199993133545 / [degC] Focuser temperature
AMBTEMP =                 28.2 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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= '2026-07-27T23:51:30.7411778' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-28T04:51:30.7411778' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61249.2024391321 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-28T04:51:40.6413449' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61249.2025537151 / 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      =     179.997742801578 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9995893734064 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     26.4344444444444 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     328.442777777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.23756181700807 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / 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  = 'UMa-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '12 00 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+62 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  =                20483 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20483 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     27.2199993133545 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     27.2199993133545 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 40.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               898.41 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 28.2 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                  1.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            11.200896 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.900632 / [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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/d_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits :)

Spent 0.728637 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-07-26.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/d_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33794.829350
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits :)


No overscan detected - all values seem high! (left_median=21727.0, right_median=27156.0)
renamed 'mff_TTUQ2b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     27.2099990844727 / [degC] Focuser temperature
AMBTEMP =                 28.2 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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= '2026-07-27T23:52:13.3473956' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-28T04:52:13.3473956' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61249.2029322567 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-28T04:52:23.2491971' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61249.2030468634 / 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      =     179.997742835594 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9995894016781 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     26.3583333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     328.478611111111 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.24349820658821 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / 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  = 'UMa-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '12 00 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+62 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  =                20483 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20483 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     27.2099990844727 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     27.2099990844727 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 40.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               898.41 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 28.2 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                  1.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            11.200896 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.900632 / [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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-07-26.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/d_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits :)

Spent 0.752451 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-07-26.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/d_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33794.829350
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits :)


No overscan detected - all values seem high! (left_median=21727.0, right_median=27156.0)
renamed 'mff_TTUQ2b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits



fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
  
SExtractor catalog cache: saved UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.cat to cache
SExtractor catalog cache: saved UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461249.70255487
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
'tocp_transients_list.txt' -> '../tocp_transients_list.txt'
wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits exists and is non-empty
Saving wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits to local_wcs_cache/
'wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits' -> 'local_wcs_cache/wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits'
wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits exists and is non-empty
Saving wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits to local_wcs_cache/
'wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits' -> 'local_wcs_cache/wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits'
wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits exists and is non-empty
Saving wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits to local_wcs_cache/
'wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits' -> 'local_wcs_cache/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits'
wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits exists and is non-empty
Saving wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits to local_wcs_cache/
'wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits' -> 'local_wcs_cache/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits'
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits (1st reference image)
verification OK: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Image size: 941.7'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: 12:00:03.732 +62:00:23.71 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_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits (1st new image)
verification OK: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Image size: 937.8'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 12:00:27.579 +61:59:56.21 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 12:00:03.732 +62:00:23.71
Second-epoch image center 12:00:27.579 +61:59:56.21
Angular distance between the image centers 0.0473 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits (2nd new image)
verification OK: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Image size: 937.8'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 12:00:28.854 +62:00:18.12 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 12:00:03.732 +62:00:23.71
Second-epoch image center 12:00:28.854 +62:00:18.12
Angular distance between the image centers 0.0492 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  12:00:27.579 +61:59:56.21
Second-epoch second image center 12:00:28.854 +62:00:18.12
Angular distance between the image centers 0.00658 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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits &> /tmp/tmp.yq41zXz0dE
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits &> /tmp/tmp.2hB1hurPQP
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits &> /tmp/tmp.MXMG4j35d6
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits &> /tmp/tmp.lZTr5BaujS
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat 
Found non-empty wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat
The reference image (wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits) and catalog (wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat) found
'wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat' -> 'wcsmag.cat'
Read 7332 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9761 to 198.4298 deg, Dec +55.2649 to +67.4535 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 159.9761 to 198.4298 deg, Dec 55.2649 to 67.4535 deg
Loaded 6571 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): 3978 out of 4192 total matches.
Matched with Tycho-2 4192 out of 7332 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.890450
a=0.000000 b=1.000000 c=22.890450
From vast_summary.log: estimated ref. image limiting mag.:  -7.49
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.40

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.40

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 7332 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9761 to 198.4298 deg, Dec +55.2649 to +67.4535 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 159.9761 to 198.4298 deg, Dec 55.2649 to 67.4535 deg
Loaded 6571 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): 3978 out of 4192 total matches.
Matched with Tycho-2 4192 out of 7332 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits:


Forced-photometry filter: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits -> calib.txt_param_ref_wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits (aperture=6.3)
Read 7282 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9754 to 198.4299 deg, Dec +55.3321 to +67.4949 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 159.9754 to 198.4299 deg, Dec 55.3321 to 67.4949 deg
Loaded 6542 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): 3981 out of 4179 total matches.
Matched with Tycho-2 4179 out of 7282 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits:


Forced-photometry filter: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits -> calib.txt_param_ref_wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits (aperture=6.4)
____ 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:
 2.2 pix  UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 2.2 pix  UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
 2.4 pix  fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
 2.5 pix  fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
 2.2 pix  wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 2.2 pix  wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Limiting magnitude estimates:
 15.4 mag.  UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 15.4 mag.  UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
 13.9 mag.  fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
 13.9 mag.  fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
All-image limiting magnitude estimate:  13.9 (SNR )  11.0 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.yq41zXz0dE (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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits' -> 'wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS_IMAGE_NAME=wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS-calibrated image found: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Checking if the catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits alredy exist and is non-empty...
Catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS catalog name: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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=506, bad_region=1672, passed=7332
Got 7332 stars (including 5274 good ones) from the SExtractor catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat 
util/solve_plate_with_UCAC5 got 7332 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (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 0.010463 (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 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4899 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 4894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 6037 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4898 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 6037 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 6037 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4894 stars left (next iteration limit 5383)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits N_match=4894 sigma_overall_arcsec=0.390 sigma_q1_arcsec=0.457 sigma_q2_arcsec=0.409 sigma_q3_arcsec=0.350 sigma_q4_arcsec=0.353 n_q1=1452 n_q2=848 n_q3=1640 n_q4=954 worst_quadrant_to_overall_ratio=1.172
The image catalog is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits -region wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.2hB1hurPQP (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/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits' -> 'wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS_IMAGE_NAME=wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS-calibrated image found: wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Checking if the catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits alredy exist and is non-empty...
Catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS catalog name: wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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=494, bad_region=1659, passed=7282
Got 7282 stars (including 5242 good ones) from the SExtractor catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat 
util/solve_plate_with_UCAC5 got 7282 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (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 0.010463 (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 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4902 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4897 matched stars entering correct_measured_positions(), 4897 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4897 matched stars entering correct_measured_positions(), 5987 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 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4902 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4897 matched stars entering correct_measured_positions(), 5987 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 4897 matched stars entering correct_measured_positions(), 5987 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4897 stars left (next iteration limit 5386)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits N_match=4897 sigma_overall_arcsec=0.423 sigma_q1_arcsec=0.482 sigma_q2_arcsec=0.444 sigma_q3_arcsec=0.380 sigma_q4_arcsec=0.405 n_q1=1450 n_q2=838 n_q3=1650 n_q4=959 worst_quadrant_to_overall_ratio=1.140
The image catalog is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits -region wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.MXMG4j35d6 (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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS_IMAGE_NAME=wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS-calibrated image found: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Checking if the catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS catalog name: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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=226, bad_region=589, passed=2560
Got 2560 stars (including 1786 good ones) from the SExtractor catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat 
util/solve_plate_with_UCAC5 got 2560 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (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 0.010420 (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 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1746 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1741 matched stars entering correct_measured_positions(), 1741 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1741 matched stars entering correct_measured_positions(), 2077 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1747 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1742 matched stars entering correct_measured_positions(), 2077 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 1742 matched stars entering correct_measured_positions(), 2077 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 1742 stars left (next iteration limit 1915)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1742 robust_rms=6.570 arcsec
SIP_REFIT: SIP order 3 trial: matched=1742 robust_rms=0.513 arcsec
SIP_REFIT: SIP order 5 trial: matched=1742 robust_rms=0.366 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1742 robust_rms_before=0.890 arcsec robust_rms_before_corrected=0.355 arcsec robust_rms_after=0.366 arcsec
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best baseline 0.355 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits N_match=1742 sigma_overall_arcsec=0.362 sigma_q1_arcsec=0.364 sigma_q2_arcsec=0.339 sigma_q3_arcsec=0.407 sigma_q4_arcsec=0.327 n_q1=580 n_q2=349 n_q3=518 n_q4=295 worst_quadrant_to_overall_ratio=1.125
The image catalog is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits -region wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.lZTr5BaujS (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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS_IMAGE_NAME=wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS-calibrated image found: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Checking if the catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS catalog name: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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=236, bad_region=612, passed=2611
Got 2611 stars (including 1818 good ones) from the SExtractor catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat 
util/solve_plate_with_UCAC5 got 2611 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (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 0.010420 (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 730 to 788 (Dec 56.1 to 67.3)
Done reading UCAC5 zone files...
Matched 1779 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1774 matched stars entering correct_measured_positions(), 1774 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1774 matched stars entering correct_measured_positions(), 2104 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 730 to 788 (Dec 56.1 to 67.3)
Done reading UCAC5 zone files...
Matched 1780 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1775 matched stars entering correct_measured_positions(), 2104 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Accuracy estimation diagnostic: 1775 matched stars entering correct_measured_positions(), 2104 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Excluding outliers - 1775 stars left (next iteration limit 1951)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1775 robust_rms=6.387 arcsec
SIP_REFIT: SIP order 3 trial: matched=1775 robust_rms=0.490 arcsec
SIP_REFIT: SIP order 5 trial: matched=1775 robust_rms=0.338 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1775 robust_rms_before=0.865 arcsec robust_rms_before_corrected=0.339 arcsec robust_rms_after=0.338 arcsec
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best baseline 0.339 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits N_match=1775 sigma_overall_arcsec=0.332 sigma_q1_arcsec=0.340 sigma_q2_arcsec=0.335 sigma_q3_arcsec=0.368 sigma_q4_arcsec=0.297 n_q1=592 n_q2=360 n_q3=526 n_q4=297 worst_quadrant_to_overall_ratio=1.109
The image catalog is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits -region wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits sigma_overall=0.390 worst_q_ratio=1.172
ref2=UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits sigma_overall=0.423 worst_q_ratio=1.140
new1=fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits sigma_overall=0.362 worst_q_ratio=1.125
new2=fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits sigma_overall=0.332 worst_q_ratio=1.109
reference average sigma_overall=0.4065 worst_q_ratio=1.156
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278_astrometric_residuals.png (4894 matched stars from wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279_astrometric_residuals.png (4897 matched stars from wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.37 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156_astrometric_residuals.png (1742 matched stars from wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.32 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157_astrometric_residuals.png (1775 matched stars from wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.31 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits'
Saving fully-calibrated image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits'
Preparing the HTML report for the field UMa-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field UMa-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
  
SExtractor catalog cache: saved UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.cat to cache
SExtractor catalog cache: saved UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Creating symlink local_wcs_cache/wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Creating symlink local_wcs_cache/exclusion_list.txt
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits exists and is non-empty
wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits exists and is non-empty
wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits exists and is non-empty
wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits (1st reference image)
verification OK: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Image size: 941.7'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: 12:00:03.732 +62:00:23.71 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_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits (1st new image)
verification OK: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Image size: 937.8'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 12:00:27.579 +61:59:56.21 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 12:00:03.732 +62:00:23.71
Second-epoch image center 12:00:27.579 +61:59:56.21
Angular distance between the image centers 0.0473 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits (2nd new image)
verification OK: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Image size: 937.8'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 12:00:28.854 +62:00:18.12 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 12:00:03.732 +62:00:23.71
Second-epoch image center 12:00:28.854 +62:00:18.12
Angular distance between the image centers 0.0492 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  12:00:27.579 +61:59:56.21
Second-epoch second image center 12:00:28.854 +62:00:18.12
Angular distance between the image centers 0.00658 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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits &> /tmp/tmp.tnqibNHS3y
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits &> /tmp/tmp.cRRSYyohnA
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits &> /tmp/tmp.WfQm1g6bSq
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits &> /tmp/tmp.Xm4R4aQidv
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat 
Found non-empty wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits and wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat
The reference image (wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits) and catalog (wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat) found
'wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat' -> 'wcsmag.cat'
Read 37333 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9761 to 198.6760 deg, Dec +55.2262 to +67.4863 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 159.9761 to 198.6760 deg, Dec 55.2262 to 67.4863 deg
Loaded 6640 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): 3750 out of 4197 total matches.
Matched with Tycho-2 4197 out of 37333 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.782250
a=0.000000 b=1.000000 c=22.782250
From vast_summary.log: estimated ref. image limiting mag.:  -7.21
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.57

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.57

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 37333 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9761 to 198.6760 deg, Dec +55.2262 to +67.4863 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 159.9761 to 198.6760 deg, Dec 55.2262 to 67.4863 deg
Loaded 6640 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): 3750 out of 4197 total matches.
Matched with Tycho-2 4197 out of 37333 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits:


Forced-photometry filter: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits -> calib.txt_param_ref_wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits (aperture=5.0)
Read 37494 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 159.9755 to 198.6753 deg, Dec +55.2659 to +67.4949 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 159.9755 to 198.6753 deg, Dec 55.2659 to 67.4949 deg
Loaded 6626 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): 3751 out of 4193 total matches.
Matched with Tycho-2 4193 out of 37494 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits:


Forced-photometry filter: calibrated wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits -> calib.txt_param_ref_wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits (aperture=5.0)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 10 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 2.1 pix  UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
 2.2 pix  fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
 2.3 pix  fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
 2.1 pix  wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 2.1 pix  wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Limiting magnitude estimates:
 15.6 mag.  UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
 15.6 mag.  UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
 14.1 mag.  fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
 14.1 mag.  fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
All-image limiting magnitude estimate:  14.1 (SNR )  13.6 (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.tnqibNHS3y (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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits' -> 'wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS_IMAGE_NAME=wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS-calibrated image found: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
Checking if the catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits alredy exist and is non-empty...
Catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits
WCS catalog name: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.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=17, blended=1765, bad_region=7377, passed=37316
Got 37316 stars (including 28488 good ones) from the SExtractor catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat 
util/solve_plate_with_UCAC5 got 37316 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (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 0.010463 (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 726 to 789 (Dec 55.2 to 67.5)
Done reading UCAC5 zone files...
Matched 4902 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 4898 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 31483 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 726 to 789 (Dec 55.2 to 67.5)
Done reading UCAC5 zone files...
Matched 4901 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 31483 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 31483 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 4898 stars left (next iteration limit 5387)
Stop iterations.


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

SIP_REFIT: wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits N_match=4898 sigma_overall_arcsec=0.369 sigma_q1_arcsec=0.433 sigma_q2_arcsec=0.385 sigma_q3_arcsec=0.329 sigma_q4_arcsec=0.343 n_q1=1449 n_q2=842 n_q3=1675 n_q4=932 worst_quadrant_to_overall_ratio=1.172
The image catalog is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits -region wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-33-00_20.00sec_-14.90C_LIGHT_0278.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.cRRSYyohnA (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/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits' -> 'wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS_IMAGE_NAME=wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS-calibrated image found: wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
Checking if the catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits alredy exist and is non-empty...
Catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat corresponding to the image wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits
WCS catalog name: wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.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=16, blended=1739, bad_region=7420, passed=37478
Got 37478 stars (including 28617 good ones) from the SExtractor catalog wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat 
util/solve_plate_with_UCAC5 got 37478 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (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 0.010463 (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 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4903 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 4899 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 31620 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 726 to 789 (Dec 55.3 to 67.5)
Done reading UCAC5 zone files...
Matched 4903 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 31620 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 31620 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4899 stars left (next iteration limit 5388)
Stop iterations.


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

SIP_REFIT: wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits N_match=4899 sigma_overall_arcsec=0.399 sigma_q1_arcsec=0.453 sigma_q2_arcsec=0.422 sigma_q3_arcsec=0.371 sigma_q4_arcsec=0.364 n_q1=1448 n_q2=847 n_q3=1675 n_q4=929 worst_quadrant_to_overall_ratio=1.138
The image catalog is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits -region wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-04-Q2b1x1_2026-02-22_00-34-07_20.00sec_-14.90C_LIGHT_0279.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.WfQm1g6bSq (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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS_IMAGE_NAME=wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS-calibrated image found: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Checking if the catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
WCS catalog name: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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=4, blended=495, bad_region=2410, passed=15481
Got 15481 stars (including 12682 good ones) from the SExtractor catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat 
util/solve_plate_with_UCAC5 got 15481 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (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 0.010420 (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 730 to 788 (Dec 56.0 to 67.3)
Done reading UCAC5 zone files...
Matched 4896 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 4889 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

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 730 to 788 (Dec 56.0 to 67.3)
Done reading UCAC5 zone files...
Matched 4897 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 4889 stars left (next iteration limit 5377)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits N_match=4889 sigma_overall_arcsec=0.417 sigma_q1_arcsec=0.394 sigma_q2_arcsec=0.399 sigma_q3_arcsec=0.466 sigma_q4_arcsec=0.411 n_q1=1601 n_q2=960 n_q3=1495 n_q4=833 worst_quadrant_to_overall_ratio=1.118
The image catalog is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits -region wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.Xm4R4aQidv (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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS_IMAGE_NAME=wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS-calibrated image found: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Checking if the catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat corresponding to the image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
WCS catalog name: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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=8, blended=512, bad_region=2351, passed=15273
Got 15273 stars (including 12504 good ones) from the SExtractor catalog wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat 
util/solve_plate_with_UCAC5 got 15273 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (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 0.010420 (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 730 to 788 (Dec 56.0 to 67.3)
Done reading UCAC5 zone files...
Matched 4895 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 4889 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13513 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 730 to 788 (Dec 56.0 to 67.3)
Done reading UCAC5 zone files...
Matched 4896 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13513 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 13513 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4889 stars left (next iteration limit 5377)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits N_match=4889 sigma_overall_arcsec=0.386 sigma_q1_arcsec=0.372 sigma_q2_arcsec=0.363 sigma_q3_arcsec=0.422 sigma_q4_arcsec=0.387 n_q1=1596 n_q2=966 n_q3=1492 n_q4=835 worst_quadrant_to_overall_ratio=1.091
The image catalog is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits -region wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
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_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-51-30_20.00sec_-0.00C_LIGHT_0156.fits
Saving fully-calibrated image wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.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_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/wcs_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits
Preparing the HTML report for the field UMa-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
make_report_in_HTML.sh Phase 1 (network queries): 1s
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
  
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Considering the candidate 52658_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 52658_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    11.57    12:21:17.73 +62:23:14.6   3330 2923   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

Rejecting candidate due to large distance (24.8") between the two second-epoch detections
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 52674_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 52674_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    11.56    11:25:56.87 +65:22:13.8   6939 0981   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

Rejecting candidate due to large distance (21.0") between the two second-epoch detections
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 52922_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 52922_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    11.98    11:45:01.59 +64:47:37.4   5764 1466   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

**** FOUND  11:45:01.52 +64:47:37.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 53822_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 53822_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    12.99    11:29:23.38 +59:03:04.0   7224 4812   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

Rejecting candidate due to large distance (21.8") between the two second-epoch detections
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53826_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 53826_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    12.85    11:40:23.10 +57:57:09.3   6431 5569   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

**** FOUND  11:40:23.11 +57:57:08.8 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 54010_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 54010_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    13.32    12:29:45.34 +58:23:47.0   2492 5282   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

**** FOUND  12:29:45.54 +58:23:48.0 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 54134_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 54134_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    13.15    11:25:18.94 +65:02:59.0   7007 1168   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

Rejecting candidate due to large distance (20.5") between the two second-epoch detections
  
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Considering the candidate 54194_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 54194_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    13.18    11:51:48.19 +59:33:37.6   5470 4654   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

Rejecting candidate due to large distance (24.1") between the two second-epoch detections
  
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Considering the candidate 54196_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 54196_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 2     2026 07 28.20305    2461249.70305    13.35    11:30:27.26 +63:32:59.2   6795 2118   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

**** FOUND  11:30:27.24 +63:33:00.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 07651_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157
The candidate 07651_fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157 did not pass the final checks
Discovery image 3     2026 07 28.20305    2461249.70305    7.66    12:36:23.00 +59:29:15.0   2051 4566   /data_ssd/NMW-TexasTech/workdir//img_2026-07-28_CI_UMa-04-Q2b1x1_000642_TTUQ2b1x1_2845362_7ADWnBIJ/fd_UMa-04-Q2b1x1_2026-07-27_23-52-13_20.00sec_0.00C_LIGHT_0157.fits

**** FOUND  12:36:23.00 +59:29:14.9 in the exclusion list exclusion_list_bsc.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 2s
Prepared the HTML report for the field UMa-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed UMa-04-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
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)2461249.70255487 -observatory V36
07:11:18.97 +19:17:00.3 Mercury (1.0mag)
11:22:37.91 +04:20:33.0 Venus (-4.2mag)
05:16:59.68 +23:06:32.5 Mars (1.3mag)
08:32:57.13 +19:17:20.4 Jupiter (-1.8mag)
00:56:49.23 +03:21:09.3 Saturn (0.7mag)
04:10:16.79 +20:53:10.1 Uranus (5.8mag)
00:16:38.04 +00:17:09.8 Neptune (7.7mag)
20:29:12.57 -23:25:44.6 Pluto (14.4mag)
19:25:51.27 -26:11:30.5 Moon (-12.3mag)
-rw-r--r-- 1 apache apache 362 Jul 28 00:57 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461249.70255487:
08:33:04.77 +19:16:49.8 Io (5.9mag)
08:33:00.90 +19:17:06.1 Europa (6.3mag)
08:32:43.58 +19:18:15.5 Ganymede (5.5mag)
08:33:19.09 +19:15:49.3 Callisto (6.7mag)
08:30:46.66 +19:10:15.2 Himalia (15.7mag)
08:33:01.16 +19:17:04.6 Thebe (16.6mag)
08:30:11.59 +19:10:57.9 Elara (17.7mag)
08:36:55.73 +19:02:10.6 Pasiphae (17.9mag)
08:36:50.75 +19:25:22.1 Carme (19.0mag)
00:56:45.93 +03:20:39.6 Titan (8.5mag)
00:56:43.71 +03:21:13.8 Rhea (9.8mag)
00:56:28.42 +03:18:31.6 Iapetus (11.2mag)
00:57:04.94 +03:20:54.0 Hyperion (14.5mag)
00:56:26.12 +03:15:49.7 Phoebe (16.5mag)
-rw-r--r-- 1 apache apache 568 Jul 28 00:57 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461249.70255487:
18:24:39.09 -27:53:47.2 JWST
10:32:32.65 +46:12:58.5 Chandra
20:48:26.51 +39:27:16.9 XMM-Newton
-rw-r--r-- 1 apache apache 96 Jul 28 00:57 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461249.70255487 -observatory V36
03:00:24.75 +16:22:28.3 17.7mag P/1996 R2 (Lagerkvist)
18:06:12.80 -34:38:41.8 13.9mag P/2010 H2 (Vales)
06:43:18.56 -68:32:10.7 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:06:40.51 +32:46:13.3 17.7mag C/2017 K2 (PANSTARRS)
03:07:52.23 +31:13:42.2 16.2mag P/2021 N1 (ZTF)
22:47:23.15 +31:58:30.0 17.3mag C/2022 E2 (ATLAS)
06:32:07.99 +26:43:01.9 16.7mag C/2022 N2 (PANSTARRS)
10:11:26.35 +28:58:13.2 16.9mag C/2022 QE78 (ATLAS)
09:21:28.62 +05:14:35.6 17.9mag C/2022 R6 (PANSTARRS)
15:11:12.47 -11:53:12.5 17.8mag P/2023 B1 (PANSTARRS)
21:25:47.28 +66:59:56.2 17.9mag C/2023 H5 (Lemmon)
16:00:52.54 -11:53:08.2 14.2mag C/2023 R1 (PANSTARRS)
08:32:59.50 +66:45:24.1 18.0mag C/2024 A1 (ATLAS)
07:55:17.09 +30:51:07.4 15.1mag C/2024 E1 (Wierzchos)
15:09:24.55 +15:36:18.5 17.7mag C/2024 G6 (ATLAS)
19:17:36.23 +42:09:42.3 13.7mag C/2024 J3 (ATLAS)
21:26:20.42 +48:18:06.4 17.7mag C/2024 R4 (PANSTARRS)
05:05:54.44 -13:10:04.7 15.6mag C/2024 T5 (ATLAS)
06:48:35.43 +26:03:57.1 17.9mag C/2025 J1 (Borisov)
07:25:29.42 -14:43:34.7 17.3mag C/2025 R3 (PANSTARRS)
10:18:02.90 +21:33:38.3 17.4mag C/2025 V2 (Rankin)
12:52:02.97 +03:02:16.1 17.0mag C/2025 Y1 (ATLAS)
16:12:03.15 +78:42:30.2 17.0mag C/2026 A2 (Bok)
03:01:50.40 +45:54:24.4 17.0mag C/2026 B2 (Sun-Gao)
11:38:01.79 +07:15:39.6 17.2mag A/2026 E1
21:45:00.92 -22:26:57.6 6.9mag 10P/Tempel
11:22:35.68 -02:45:23.2 16.2mag 29P/Schwassmann-Wachmann
04:25:03.44 +31:24:00.7 17.9mag 47P/Ashbrook-Jackson
10:45:06.80 +08:14:50.4 17.2mag 63P/Wild
00:53:42.56 -05:08:39.6 15.5mag 65P/Gunn
05:10:04.11 +20:44:31.1 13.7mag 78P/Gehrels
02:48:18.09 +12:44:16.4 16.5mag 88P/Howell
07:26:43.17 +29:01:15.3 16.0mag 93P/Lovas
03:36:15.60 +12:38:45.3 17.9mag 112P/Urata-Niijima
05:19:51.06 +31:08:30.6 16.5mag 114P/Wiseman-Skiff
08:52:07.08 +28:24:00.3 15.1mag 123P/West-Hartley
11:22:02.59 -05:58:33.7 17.0mag 124P/Mrkos
05:19:54.66 +21:09:12.7 16.2mag 128P/Shoemaker-Holt
06:09:11.35 +19:21:11.3 17.9mag 131P/Mueller
08:13:40.27 +12:55:20.6 17.7mag 141P-D/Machholz
03:21:31.44 -19:44:44.6 16.9mag 161P/Hartley-IRAS
06:37:21.79 +36:54:02.4 15.6mag 162P/SidingSpring
17:41:14.95 +29:45:26.9 13.1mag 169P/NEAT
02:21:19.27 +09:07:22.1 17.6mag 220P/McNaught
16:37:10.32 -09:19:39.7 17.4mag 235P/LINEAR
20:30:36.83 -52:26:12.0 17.8mag 259P/Garradd
02:50:04.53 +20:20:42.5 15.4mag 260P/McNaught
06:31:48.57 +37:44:33.4 17.3mag 295P/LINEAR
15:07:41.76 +04:19:27.7 17.7mag 391P/Kowalski
08:50:48.49 +18:54:06.8 17.9mag 450P/LONEOS
08:19:18.41 +37:41:56.5 18.0mag 493P/LONEOS
-rw-r--r-- 1 apache apache 2.5K Jul 28 00:57 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
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-26eg  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.67 +32:04:22.70  AT2026ovz  2026-06-14.6 15.52
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:32.95 -68:48:30.00  ASASSN-26no  2026-05-24 8.41
19:00:42.82 -48:31:01.60  ASASSN-26dp  2026-05-22.31 -3.28
14:23:56.72 -58:37:47.60  ASASSN-26dn  2026-05-20.01 14.64
11:24:54.06 +47:57:01.60  AT2026nma  2026-05-20.29 15.46
21:27:08.58 +33:24:38.10  AT2026lli  2026-05-19.34 15.86
00:31:01.41 -13:38:51.70  AT2026nad  2026-05-19.39 15.34
15:16:06.61 -79:16:32.40  ASASSN-26dm  2026-05-19.03 14.44
11:24:25.21 -59:23:19.10  ASASSN-26dl  2026-05-18.02 13.55
13:45:51.52 -53:16:01.00  ASASSN-26dk  2026-05-18.16 12.96
02:05:49.69 -30:29:09.60  ASASSN-26dh  2026-05-18.43 15.37
17:50:22.87 -39:42:33.90  ASASSN-26dj  2026-05-17.05 15.7
01:13:11.60 -33:25:16.10  ASASSN-26dg  2026-05-13.41 16.8
16:44:31.77 -27:15:18.40  AT2026mhn  2026-05-12.33 15.8
09:46:31.08 -33:41:51.00  ASASSN-26di  2026-05-12.14 14.63
21:23:11.57 -19:09:45.00  AT2026kwu  2026-05-12.26 16.9
14:20:14.30 -30:20:51.90  AT2026ktm  2026-05-12.06 17.21
14:41:39.01 -37:13:46.40  AT2026lkm  2026-05-11.18 16.89
12:59:50.45 -10:58:38.80  SN2026kep  2026-05-9.06 17.5
13:37:29.61 -29:50:30.90  AT2026lkd  2026-05-9.09 17.23
09:46:42.01 -14:52:03.60  SN2026kmo  2026-05-8.99 17.51
15:03:05.28 +22:02:03.80  AT2026lxf  2026-05-8.34 13.72
10:23:49.41 -20:57:25.30  ASASSN-26df  2026-05-8.21 16.52
22:14:40.56 +05:04:51.60  2026lda  2026-05-7.56 16.2
21:35:33.81 -14:05:16.30  ASASSN-26de  2026-05-6.29 14.51
16:21:49.13 -61:36:14.60  ASASSN-26dd  2026-05-5.15 15.93
14:26:40.22 -24:48:37.50  AT2026lig  2026-05-4.27 14.63
13:17:51.04 +30:25:13.50  SN2026kcp  2026-05-4.46 16.43
11:27:55.57 -13:38:56.90  SN2026kza  2026-05-1.08 15.59
22:28:27.10 +30:17:54.30  SN 2026fov  2026-04-29.6 14.36
21:00:10.71 -32:17:03.90  AT2026kis  2026-04-27.36 16.15
14:32:57.37 -58:13:26.40  ASASSN-26dc  2026-04-27.27 13.42
15:32:05.35 -43:54:34.60  ASASSN-26db  2026-04-27.37 16.06
16:34:34.94 -54:34:58.20  ASASSN-26da  2026-04-25.14 15.99
10:06:55.04 -01:13:49.70  SN2026jsg  2026-04-24.99 16.28
15:15:57.17 +56:18:32.80  SN2026kid  2026-04-24.52 -3.65
07:58:28.45 +57:03:42.40  AT2026kcf  2026-04-24.2 16.89
11:38:21.80 -50:43:06.50  SN2026jkb  2026-04-24.24 15.38
10:06:11.41 -39:41:04.20  AT2026dil  2026-04-24.2 16.85
14:21:40.08 +13:13:46.30  SN2026jlm  2026-04-22.16 15.12
-rw-r--r-- 1 apache apache 5.6K Jul 28 00:57 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:42:47.45 +41:16:58.5  PNV J00424745+4116585  2026-05-10.030  16.8mag
09:55:02.89 +69:02:13.8  PNV J09550289+6902138  2026-05-18.925  20.7mag
00:43:01.82 +41:18:16.6  PNV J00430182+4118166  2026-05-21.8651  18.83Cmag
00:42:51.20 +41:16:59.4  PNV J00425120+4116594  2022-10-26.135  19.3mag
12:24:25.10 +28:47:12.0  TCP J12242510+2847120  2026-05-31.6015  14.8mag
00:56:07.13 +43:01:40.6  TCP J00560713+4301406  2026-06-01.4135  12.2mag
00:42:41.64 +41:15:16.2  PNV J00424164+4115162  2026-06-02.029  17.4mag
00:42:38.68 +41:15:58.2  PNV J00423868+4115582  2026-06-05.1224  19.97Umag
19:00:42.95 -48:31:01.7  PNV J19004295-4831017  2026-05-25.0752  14.2mag
09:55:21.28 +69:02:52.6  PNV J09552128+6902526  2026-06-13.933  18.9mag
19:51:21.42 +37:06:40.0  TCP J19512142+3706400  2026-06-17.2942  16.8mag
19:57:03.87 +37:41:46.4  TCP J19570387+3741464  2026-06-18.2638  17.5mag
00:42:32.04 +41:10:28.3  PNV J00423204+4110283  2026-06-26.059  16.6mag
02:19:17.36 +28:57:15.8  TCP J02191736+2857158  2026-07-12.3549  12.5mag
00:44:56.43 +41:57:41.6  PNV J00445643+4157416  2026-07-13.8026  17.98Cmag
00:42:55.36 +41:17:27.0  PNV J00425536+4117270  2026-07-20.1813  17.7mag
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
-rw-r--r-- 1 apache apache 189K Jul 28 00:57 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
15:05:14.436 -36:20:56.85  AT 2026udi  2026-07-08.03 19.35
00:31:18.282 -43:46:06.08  AT 2026udh  2026-07-12.40 23.4739
00:40:36.730 -43:07:11.88  AT 2026udg  2026-07-12.40 22.7345
00:27:10.575 -44:08:47.04  AT 2026udf  2026-07-12.40 22.824
03:56:35.271 -49:17:39.98  AT 2026ude  2026-07-12.41 22.9789
00:31:32.044 -43:21:56.99  AT 2026udd  2026-07-12.40 23.6713
22:50:13.778 -07:23:19.66  AT 2026udc  2026-07-12.36 23.1965
00:40:48.112 -44:10:38.19  AT 2026udb  2026-07-12.40 23.683
00:36:44.855 -44:15:14.57  AT 2026uda  2026-07-12.40 23.7801
23:51:48.800 +02:16:08.44  AT 2026ucz  2026-07-12.35 23.3767
22:47:30.921 -12:02:41.49  AT 2026ucy  2026-07-12.36 21.821
00:41:15.829 -45:07:23.74  AT 2026ucx  2026-07-12.40 24.4645
00:34:52.967 -44:42:02.22  AT 2026ucw  2026-07-12.40 23.3852
21:50:13.749 -07:15:39.18  AT 2026ucv  2026-07-11.32 22.03
21:48:51.518 -07:08:27.45  AT 2026ucu  2026-07-11.32 21.9988
21:50:54.462 -07:28:38.03  AT 2026uct  2026-07-11.32 22.2759
21:50:13.387 -05:48:05.26  AT 2026ucs  2026-07-11.32 21.901
21:53:32.009 -06:54:20.89  AT 2026ucr  2026-07-11.32 22.3106
00:29:05.705 -43:05:49.67  AT 2026ucq  2026-07-10.43 23.3537
22:59:33.945 -11:05:35.35  AT 2026ucp  2026-07-09.34 23.0795
-rw-r--r-- 1 apache apache 88K Jul 28 00:57 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Tue Jul 28 00:56:47 CDT 2026
=======================================
TIMING SExtractor: 4 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 7s (0.12 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 32s (0.53 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 63s (1.05 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: 1s (0.02 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: 106s (1.77 min)
TIMING SExtractor: 7 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 16s (0.27 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 0s (0.00 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 95s (1.58 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: 2s (0.03 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 115s (1.92 min)
FIELD_UMa-04-Q2b1x1: 238s (3.97 min)
=======================================
TOTAL_RUNTIME: 242s (4.03 min)
Finished: Tue Jul 28 01:00:49 CDT 2026