FITS images used in this processing run:

Field Gem-04-Q2b1x1 reference image: Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Field Gem-04-Q2b1x1 reference image: Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Field Gem-04-Q2b1x1 second-epoch image: Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Field Gem-04-Q2b1x1 second-epoch image: Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.68545435 22.02.2026 04:26:53.256   /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
First image: 2461093.68545435 22.02.2026 04:26:53.256   /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Last  image: 2461284.90687126 01.09.2026 09:45:43.677   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 2
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.62
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: 3 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  15639
Objects passed selection criteria:  15518
Measurements per detected object (mean, median, min, max):    2.2    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.2    2.0    2    4
Average stars detected per image: 9048
Average stars matched: 8537 (94.3523 %)
Memory usage VmPeak:   242284 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Mon Aug 24 15:05:05 CDT 2026
VaST build number  1.0rc89-195-gae6eb4b1
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-24)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Sep  1 04:54:10 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: 2461093.68545435 22.02.2026 04:26:53.256   /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
First image: 2461093.68545435 22.02.2026 04:26:53.256   /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Last  image: 2461284.90687126 01.09.2026 09:45:43.677   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 26
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.24
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: 19 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  108247
Objects passed selection criteria:  107853
Measurements per detected object (mean, median, min, max):    2.3    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.3    2.0    2    4
Average stars detected per image: 66500.5
Average stars matched: 61668 (92.7331 %)
Memory usage VmPeak:   574948 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Mon Aug 24 15:05:05 CDT 2026
VaST build number  1.0rc89-195-gae6eb4b1
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-24)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Sep  1 04:55:21 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Gem-04-Q2b1x1
#######################################
########### Starting Gem-04-Q2b1x1 ###########
Processing Gem-04-Q2b1x1
server tau has sufficient free disk space available: 430277 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 430277 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.png' -> 'transient_report/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits_preview.png'

Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits


renamed 'Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.png' -> 'transient_report/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits_preview.png'

Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.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= 569.1174
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 809.7637
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 4509.1301
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1022.8770
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 4526.4401
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1050.5427
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 7.92302
INFO:                  SECOND_EPOCH__SD_ratio= 0.026
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 =     22.8700008392334 / [degC] Focuser temperature
AMBTEMP =                 23.4 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-01T04:44:56.4519614' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-01T09:44:56.4519614' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61284.4062089236 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-01T09:45:06.3553073' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61284.4063235531 / 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      =     110.765739007244 / [deg] RA of telescope" status=0
Record 32: "DEC     =     21.9999605243827 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     14.9766666666667 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =               73.345 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      3.8161662887255 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Gem-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '07 23 05'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+22 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20474 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20474 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     22.8700008392334 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     22.8700008392334 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 53.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                902.2 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 23.4 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 13.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             13.00104 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            10.800864 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/d_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits :)

Spent 0.518673 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/d_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     22.7800006866455 / [degC] Focuser temperature
AMBTEMP =                 23.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-01T04:45:43.6776146' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-01T09:45:43.6776146' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =      61284.406755521 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-01T09:45:53.5799679' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61284.4068701272 / 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      =     110.765738953528 / [deg] RA of telescope" status=0
Record 32: "DEC     =     21.9999605379441 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.1363888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     73.4433333333333 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.77798341338792 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Gem-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '07 23 05'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+22 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20474 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20474 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     22.7800006866455 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     22.7800006866455 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.4 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 53.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                902.2 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 23.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                  3.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            16.601328 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             9.400752 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/d_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits :)

Spent 0.601123 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/d_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Previews of the CALIBRATED second-epoch images:


fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits



fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
  
SExtractor catalog cache: saved Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.cat to cache
SExtractor catalog cache: saved Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.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: 2461284.90632466
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits exists and is non-empty
wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits exists and is non-empty
wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits exists and is non-empty
wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (1st reference image)
verification OK: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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: 07:23:03.854 +21:59:59.41 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_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits (1st new image)
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Image size: 941.3'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 07:22:59.898 +21:57:40.71 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 07:23:03.854 +21:59:59.41
Second-epoch image center 07:22:59.898 +21:57:40.71
Angular distance between the image centers 0.0414 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits (2nd new image)
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Image size: 941.2'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 07:23:03.005 +21:57:08.01 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 07:23:03.854 +21:59:59.41
Second-epoch image center 07:23:03.005 +21:57:08.01
Angular distance between the image centers 0.0477 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  07:22:59.898 +21:57:40.71
Second-epoch second image center 07:23:03.005 +21:57:08.01
Angular distance between the image centers 0.01506 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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits &> /tmp/tmp.1rWk0MBfep
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits &> /tmp/tmp.YkCF1dr8Xm
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits &> /tmp/tmp.9yAlVaFC4r
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits &> /tmp/tmp.uqWzUqkfdM
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Calibrating the magnitude scale
Found non-empty wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat 
Found non-empty wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat
The reference image (wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits) and catalog (wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat) found
'wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat' -> 'wcsmag.cat'
Read 23656 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0337 to 119.5911 deg, Dec +16.4797 to +27.2941 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 102.0337 to 119.5911 deg, Dec 16.4797 to 27.2941 deg
Loaded 13974 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): 10666 out of 11758 total matches.
Matched with Tycho-2 11758 out of 23656 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.922900
a=0.000000 b=1.000000 c=22.922900
From vast_summary.log: estimated ref. image limiting mag.:  -7.62
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.30

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.30

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 23656 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0337 to 119.5911 deg, Dec +16.4797 to +27.2941 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 102.0337 to 119.5911 deg, Dec 16.4797 to 27.2941 deg
Loaded 13974 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): 10666 out of 11758 total matches.
Matched with Tycho-2 11758 out of 23656 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Forced-photometry filter: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits -> calib.txt_param_ref_wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (aperture=6.2)
Read 23398 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0336 to 119.5911 deg, Dec +16.4801 to +27.2943 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 102.0336 to 119.5911 deg, Dec 16.4801 to 27.2943 deg
Loaded 13972 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): 10626 out of 11736 total matches.
Matched with Tycho-2 11736 out of 23398 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Forced-photometry filter: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits -> calib.txt_param_ref_wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits (aperture=6.2)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 2 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.3 pix  Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
 2.3 pix  Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
 2.7 pix  fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
 2.6 pix  fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Limiting magnitude estimates:
 15.3 mag.  Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
 15.3 mag.  Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
 12.2 mag.  fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
 12.2 mag.  fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
All-image limiting magnitude estimate:  12.2 (SNR )  10.1 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.1rWk0MBfep (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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits' -> 'wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS_IMAGE_NAME=wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS-calibrated image found: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Checking if the catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits alredy exist and is non-empty...
Catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS catalog name: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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=2265, bad_region=7924, passed=23656
Got 23656 stars (including 14270 good ones) from the SExtractor catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat 
util/solve_plate_with_UCAC5 got 23656 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 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4866 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4839 matched stars entering correct_measured_positions(), 4839 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4839 matched stars entering correct_measured_positions(), 17358 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4865 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4839 matched stars entering correct_measured_positions(), 17358 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4839 matched stars entering correct_measured_positions(), 17358 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 4839 stars left (next iteration limit 5322)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits N_match=4839 sigma_overall_arcsec=0.379 sigma_q1_arcsec=0.464 sigma_q2_arcsec=0.376 sigma_q3_arcsec=0.340 sigma_q4_arcsec=0.321 n_q1=1308 n_q2=959 n_q3=1508 n_q4=1064 worst_quadrant_to_overall_ratio=1.224
The image catalog is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits -region wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.YkCF1dr8Xm (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/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits' -> 'wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.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/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS_IMAGE_NAME=wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS-calibrated image found: wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Checking if the catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits alredy exist and is non-empty...
Catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS catalog name: wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.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=2268, bad_region=7854, passed=23398
Got 23398 stars (including 14073 good ones) from the SExtractor catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat 
util/solve_plate_with_UCAC5 got 23398 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 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4862 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 4834 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 17156 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4862 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 17156 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 17156 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 4834 stars left (next iteration limit 5317)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits N_match=4834 sigma_overall_arcsec=0.433 sigma_q1_arcsec=0.554 sigma_q2_arcsec=0.436 sigma_q3_arcsec=0.380 sigma_q4_arcsec=0.381 n_q1=1295 n_q2=958 n_q3=1508 n_q4=1073 worst_quadrant_to_overall_ratio=1.281
The image catalog is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits -region wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.9yAlVaFC4r (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS_IMAGE_NAME=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS-calibrated image found: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Checking if the catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits alredy exist and is non-empty...
Catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS catalog name: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.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=159, bad_region=129, passed=2697
Got 2697 stars (including 2419 good ones) from the SExtractor catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat 
util/solve_plate_with_UCAC5 got 2697 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 2324 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2304 matched stars entering correct_measured_positions(), 2303 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2304 matched stars entering correct_measured_positions(), 2585 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 2326 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2304 matched stars entering correct_measured_positions(), 2585 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.73" 
Accuracy estimation diagnostic: 2304 matched stars entering correct_measured_positions(), 2585 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.73" 
Excluding outliers - 2304 stars left (next iteration limit 2534)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2304 robust_rms=4.679 arcsec worst_quadrant_rms=18.514 arcsec
SIP_REFIT: SIP order 3 trial: matched=2304 robust_rms=0.852 arcsec worst_quadrant_rms=0.888 arcsec
SIP_REFIT: SIP order 5 trial: matched=2304 robust_rms=0.705 arcsec worst_quadrant_rms=0.780 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2304 robust_rms_before=1.770 arcsec robust_rms_before_corrected=0.774 arcsec robust_rms_after=0.705 arcsec worst_quadrant_rms_before=0.867 worst_quadrant_rms_after=0.780
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Image size: 940.8'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 07:22:59.911 +21:57:39.61 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 2697 stars ###
'wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/correct_sextractor_wcs_catalog_usingxy2sky3291767.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.770 -> 0.705 arcsec)
WCS_QUALITY_DIAG: file=fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits N_match=2304 sigma_overall_arcsec=0.753 sigma_q1_arcsec=0.693 sigma_q2_arcsec=0.698 sigma_q3_arcsec=0.829 sigma_q4_arcsec=0.716 n_q1=870 n_q2=220 n_q3=919 n_q4=295 worst_quadrant_to_overall_ratio=1.100
The image catalog is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits -region wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.uqWzUqkfdM (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS_IMAGE_NAME=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS-calibrated image found: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Checking if the catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits alredy exist and is non-empty...
Catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS catalog name: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.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=184, bad_region=126, passed=2685
Got 2685 stars (including 2385 good ones) from the SExtractor catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat 
util/solve_plate_with_UCAC5 got 2685 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.2'
Seting catalog search parameters based on the expected field of view 941.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013072 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010458 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 2289 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2273 matched stars entering correct_measured_positions(), 2273 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.68" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2273 matched stars entering correct_measured_positions(), 2577 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.69" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 2290 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2272 matched stars entering correct_measured_positions(), 2577 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71" 
Accuracy estimation diagnostic: 2272 matched stars entering correct_measured_positions(), 2577 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71" 
Excluding outliers - 2272 stars left (next iteration limit 2500)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2272 robust_rms=4.920 arcsec worst_quadrant_rms=17.852 arcsec
SIP_REFIT: SIP order 3 trial: matched=2272 robust_rms=0.830 arcsec worst_quadrant_rms=0.854 arcsec
SIP_REFIT: SIP order 5 trial: matched=2272 robust_rms=0.676 arcsec worst_quadrant_rms=0.732 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2272 robust_rms_before=1.699 arcsec robust_rms_before_corrected=0.750 arcsec robust_rms_after=0.676 arcsec worst_quadrant_rms_before=0.804 worst_quadrant_rms_after=0.732
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.804 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits N_match=2272 sigma_overall_arcsec=0.726 sigma_q1_arcsec=0.651 sigma_q2_arcsec=0.824 sigma_q3_arcsec=0.804 sigma_q4_arcsec=0.623 n_q1=865 n_q2=221 n_q3=910 n_q4=276 worst_quadrant_to_overall_ratio=1.134
The image catalog is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits -region wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Saving the final (post-refit) wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits to local_wcs_cache/
'wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits' -> 'local_wcs_cache/wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits'
Saving the final (post-refit) wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits to local_wcs_cache/
'wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits' -> 'local_wcs_cache/wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits'
Saving the final (post-refit) wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits to local_wcs_cache/
'wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits' -> 'local_wcs_cache/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits'
Saving the final (post-refit) wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits to local_wcs_cache/
'wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits' -> 'local_wcs_cache/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits sigma_overall=0.379 worst_q_ratio=1.224
ref2=Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits sigma_overall=0.433 worst_q_ratio=1.281
new1=fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits sigma_overall=0.753 worst_q_ratio=1.100
new2=fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits sigma_overall=0.726 worst_q_ratio=1.134
reference average sigma_overall=0.406 worst_q_ratio=1.2525
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153_astrometric_residuals.png (4839 matched stars from wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.33 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154_astrometric_residuals.png (4834 matched stars from wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.38 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462_astrometric_residuals.png (2304 matched stars from wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.58 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463_astrometric_residuals.png (2272 matched stars from wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.65 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits'
Saving fully-calibrated image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits'
Preparing the HTML report for the field Gem-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:06:35.40 +22:51:40.0:  99.00 +/- 99.00  saturated
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:06:35.40 +22:51:40.0:  99.00 +/- 99.00  saturated
Forced photometry filter REJECTED candidate at 07:06:35.40 +22:51:40.0: the source is saturated (present but too bright to measure) on at least one reference image -- likely a star-matching failure rather than a new transient
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: 0s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31121_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 31121_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    9.36    07:06:35.37 +22:51:40.3   2518 3815   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    9.39    07:06:35.42 +22:51:39.8   2511 3820   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31295_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 31295_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    9.71    07:16:34.17 +25:59:39.6   3961 5663   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:16:34.15 +25:59:39.9 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Gem-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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
  
SExtractor catalog cache: saved Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.cat to cache
SExtractor catalog cache: saved Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Creating symlink local_wcs_cache/wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Creating symlink local_wcs_cache/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Creating symlink local_wcs_cache/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits exists and is non-empty
wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits exists and is non-empty
wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits exists and is non-empty
wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (1st reference image)
verification OK: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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: 07:23:03.854 +21:59:59.41 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_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits (1st new image)
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Image size: 940.8'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 07:22:59.911 +21:57:39.61 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 07:23:03.854 +21:59:59.41
Second-epoch image center 07:22:59.911 +21:57:39.61
Angular distance between the image centers 0.0417 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits (2nd new image)
verification OK: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Image size: 941.2'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 07:23:03.005 +21:57:08.01 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 07:23:03.854 +21:59:59.41
Second-epoch image center 07:23:03.005 +21:57:08.01
Angular distance between the image centers 0.0477 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  07:22:59.911 +21:57:39.61
Second-epoch second image center 07:23:03.005 +21:57:08.01
Angular distance between the image centers 0.01483 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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits &> /tmp/tmp.tdSDPQ2dnJ
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits &> /tmp/tmp.50skGY7jLt
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits &> /tmp/tmp.Hh1BbvF5rb
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits &> /tmp/tmp.lvmkJeFN31
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Calibrating the magnitude scale
Found non-empty wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat 
Found non-empty wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits and wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat
The reference image (wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits) and catalog (wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat) found
'wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat' -> 'wcsmag.cat'
Read 151496 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0323 to 119.6245 deg, Dec +16.4740 to +27.2968 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 102.0323 to 119.6245 deg, Dec 16.4740 to 27.2968 deg
Loaded 14006 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): 8794 out of 12008 total matches.
Matched with Tycho-2 12008 out of 151496 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.772750
a=0.000000 b=1.000000 c=22.772750
From vast_summary.log: estimated ref. image limiting mag.:  -7.24
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.53

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.53

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 151496 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0323 to 119.6245 deg, Dec +16.4740 to +27.2968 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 102.0323 to 119.6245 deg, Dec 16.4740 to 27.2968 deg
Loaded 14006 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): 8794 out of 12008 total matches.
Matched with Tycho-2 12008 out of 151496 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Forced-photometry filter: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits -> calib.txt_param_ref_wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (aperture=4.6)
Read 153605 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 102.0325 to 119.6247 deg, Dec +16.4748 to +27.3045 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 102.0325 to 119.6247 deg, Dec 16.4748 to 27.3045 deg
Loaded 14009 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): 8793 out of 12010 total matches.
Matched with Tycho-2 12010 out of 153605 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Forced-photometry filter: calibrated wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits -> calib.txt_param_ref_wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits (aperture=4.6)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 22 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
 2.1 pix  Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
 2.4 pix  fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
 2.3 pix  fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Limiting magnitude estimates:
 15.5 mag.  Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
 15.5 mag.  Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
 12.9 mag.  fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
 12.9 mag.  fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
All-image limiting magnitude estimate:  12.9 (SNR )  12.6 (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.tdSDPQ2dnJ (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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits' -> 'wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS_IMAGE_NAME=wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS-calibrated image found: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
Checking if the catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits alredy exist and is non-empty...
Catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits
WCS catalog name: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.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=23, blended=17705, bad_region=41121, passed=151473
Got 151473 stars (including 98315 good ones) from the SExtractor catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat 
util/solve_plate_with_UCAC5 got 151473 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 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4865 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 4853 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 118837 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4865 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 118837 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 118837 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 4853 stars left (next iteration limit 5338)
Stop iterations.


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

SIP_REFIT: wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits N_match=4853 sigma_overall_arcsec=0.350 sigma_q1_arcsec=0.439 sigma_q2_arcsec=0.350 sigma_q3_arcsec=0.310 sigma_q4_arcsec=0.313 n_q1=1345 n_q2=911 n_q3=1579 n_q4=1018 worst_quadrant_to_overall_ratio=1.254
The image catalog is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits -region wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.50skGY7jLt (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/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits' -> 'wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.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/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS_IMAGE_NAME=wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS-calibrated image found: wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
Checking if the catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits alredy exist and is non-empty...
Catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat corresponding to the image wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits
WCS catalog name: wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.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=43, blended=17785, bad_region=41723, passed=153562
Got 153562 stars (including 99663 good ones) from the SExtractor catalog wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat 
util/solve_plate_with_UCAC5 got 153562 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 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4864 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 4853 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 120523 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.5 to 27.3)
Done reading UCAC5 zone files...
Matched 4864 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 120523 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4853 matched stars entering correct_measured_positions(), 120523 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 4853 stars left (next iteration limit 5338)
Stop iterations.


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

SIP_REFIT: wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits N_match=4853 sigma_overall_arcsec=0.402 sigma_q1_arcsec=0.515 sigma_q2_arcsec=0.404 sigma_q3_arcsec=0.352 sigma_q4_arcsec=0.365 n_q1=1334 n_q2=911 n_q3=1578 n_q4=1030 worst_quadrant_to_overall_ratio=1.280
The image catalog is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits -region wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.Hh1BbvF5rb (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS_IMAGE_NAME=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS-calibrated image found: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Checking if the catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits alredy exist and is non-empty...
Catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
WCS catalog name: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.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=868, bad_region=1205, passed=23560
Got 23560 stars (including 21476 good ones) from the SExtractor catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat 
util/solve_plate_with_UCAC5 got 23560 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.8'
Seting catalog search parameters based on the expected field of view 940.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013067 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010453 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 4820 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4766 matched stars entering correct_measured_positions(), 4768 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4766 matched stars entering correct_measured_positions(), 22683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.65" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 532 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 4820 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4765 matched stars entering correct_measured_positions(), 22683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.66" 
Accuracy estimation diagnostic: 4765 matched stars entering correct_measured_positions(), 22683 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.68" 
Excluding outliers - 4765 stars left (next iteration limit 5242)
Stop iterations.


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

SIP_REFIT: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4765 robust_rms=4.853 arcsec worst_quadrant_rms=19.899 arcsec
SIP_REFIT: SIP order 3 trial: matched=4765 robust_rms=0.881 arcsec worst_quadrant_rms=0.931 arcsec
SIP_REFIT: SIP order 5 trial: matched=4765 robust_rms=0.729 arcsec worst_quadrant_rms=0.820 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4765 robust_rms_before=0.735 arcsec robust_rms_before_corrected=0.726 arcsec robust_rms_after=0.729 arcsec worst_quadrant_rms_before=0.819 worst_quadrant_rms_after=0.820
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.819 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits N_match=4765 sigma_overall_arcsec=0.733 sigma_q1_arcsec=0.711 sigma_q2_arcsec=0.635 sigma_q3_arcsec=0.832 sigma_q4_arcsec=0.608 n_q1=1838 n_q2=541 n_q3=1754 n_q4=632 worst_quadrant_to_overall_ratio=1.136
The image catalog is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits -region wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.lvmkJeFN31 (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS_IMAGE_NAME=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS-calibrated image found: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Checking if the catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits alredy exist and is non-empty...
Catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat corresponding to the image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
WCS catalog name: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=5, blended=865, bad_region=1214, passed=24184
Got 24184 stars (including 22104 good ones) from the SExtractor catalog wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat 
util/solve_plate_with_UCAC5 got 24184 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.2'
Seting catalog search parameters based on the expected field of view 941.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013072 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010458 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 531 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 4819 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4776 matched stars entering correct_measured_positions(), 4776 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.67" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4776 matched stars entering correct_measured_positions(), 23326 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.65" 

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 531 to 588 (Dec 16.4 to 27.2)
Done reading UCAC5 zone files...
Matched 4819 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4776 matched stars entering correct_measured_positions(), 23326 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.65" 
Accuracy estimation diagnostic: 4776 matched stars entering correct_measured_positions(), 23326 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.66" 
Excluding outliers - 4776 stars left (next iteration limit 5253)
Stop iterations.


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

SIP_REFIT: wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4776 robust_rms=4.865 arcsec worst_quadrant_rms=19.576 arcsec
SIP_REFIT: SIP order 3 trial: matched=4776 robust_rms=0.865 arcsec worst_quadrant_rms=0.898 arcsec
SIP_REFIT: SIP order 5 trial: matched=4776 robust_rms=0.719 arcsec worst_quadrant_rms=0.776 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4776 robust_rms_before=1.763 arcsec robust_rms_before_corrected=0.719 arcsec robust_rms_after=0.719 arcsec worst_quadrant_rms_before=0.807 worst_quadrant_rms_after=0.776
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.807 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits N_match=4776 sigma_overall_arcsec=0.705 sigma_q1_arcsec=0.659 sigma_q2_arcsec=0.713 sigma_q3_arcsec=0.788 sigma_q4_arcsec=0.632 n_q1=1837 n_q2=530 n_q3=1767 n_q4=642 worst_quadrant_to_overall_ratio=1.118
The image catalog is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits -region wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Saving fully-calibrated image wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Preparing the HTML report for the field Gem-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:07:07.18 +19:34:49.8:  12.51 +/- 0.01  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:08:47.16 +17:39:00.4:  12.13 +/- 0.01  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:07:20.45 +26:05:53.4:  11.55 +/- 0.01  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:05:54.75 +22:50:51.4:  10.83 +/- 0.11  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-26-53_20.00sec_-15.00C_LIGHT_0153.fits at 07:06:13.75 +22:54:53.1:  99.00 +/- 99.00  saturated
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:07:07.18 +19:34:49.8:  12.49 +/- 0.01  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:06:13.75 +22:54:53.1:  99.00 +/- 99.00  saturated
Forced photometry filter REJECTED candidate at 07:06:13.75 +22:54:53.1: the source is saturated (present but too bright to measure) on at least one reference image -- likely a star-matching failure rather than a new transient
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:08:47.16 +17:39:00.4:  12.15 +/- 0.01  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:05:54.75 +22:50:51.4:  10.84 +/- 0.11  detection
Forced photometry on wcs_Gem-04-Q2b1x1_2026-02-21_22-27-35_20.00sec_-15.00C_LIGHT_0154.fits at 07:07:20.45 +26:05:53.4:  11.52 +/- 0.01  detection
Forced photometry reference-image weighted average:  12.50 +/- 0.01
Forced photometry reference-image weighted average:  10.84 +/- 0.08
Forced photometry reference-image weighted average:  11.53 +/- 0.00
Forced photometry reference-image weighted average:  12.14 +/- 0.01
Forced photometry filter REJECTED candidate at 07:07:07.18 +19:34:49.8: ref_mag=12.50 +/- 0.01 new_mean_mag=12.5530 delta=-0.05 (need > 0.90)
Forced photometry filter REJECTED candidate at 07:05:54.75 +22:50:51.4: ref_mag=10.84 +/- 0.08 new_mean_mag=12.2739 delta=-1.44 (need > 0.90)
Forced photometry filter REJECTED candidate at 07:07:20.45 +26:05:53.4: ref_mag=11.53 +/- 0.00 new_mean_mag=11.5068 delta=0.03 (need > 0.90)
Forced photometry filter REJECTED candidate at 07:08:47.16 +17:39:00.4: ref_mag=12.14 +/- 0.01 new_mean_mag=11.8785 delta=0.26 (need > 0.90)
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 171759_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 171759_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    12.55    07:07:07.19 +19:34:49.8   2497 1826   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    12.56    07:07:07.16 +19:34:49.8   2490 1832   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
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Considering the candidate 171764_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 171764_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    11.59    07:07:20.46 +26:05:53.4   2714 5773   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    11.45    07:07:20.45 +26:05:53.4   2707 5779   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
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Considering the candidate 174333_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 174333_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    11.37    07:05:49.88 +22:56:14.6   2407 3872   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:05:49.89 +22:56:15.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 174831_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 174831_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    11.50    07:06:04.56 +22:51:51.1   2439 3826   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:06:04.55 +22:51:51.2 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 175746_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 175746_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.08    07:05:25.11 +22:38:49.7   2341 3699   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:05:24.97 +22:38:49.0 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 175770_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 175770_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    11.87    07:06:13.80 +22:54:53.8   2469 3850   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    11.87    07:06:13.70 +22:54:52.4   2462 3855   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
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Considering the candidate 175833_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 175833_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    11.79    07:08:47.15 +17:39:00.9   2682 0644   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    12.02    07:08:47.16 +17:38:59.9   2674 0649   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
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Considering the candidate 175975_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 175975_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    11.91    07:06:12.52 +22:52:40.9   2458 3833   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:06:12.47 +22:52:40.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 177166_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 177166_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 1     2026 09 01.40632    2461284.90632    12.25    07:05:54.85 +22:50:49.8   2423 3811   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Discovery image 2     2026 09 01.40687    2461284.90687    12.31    07:05:54.64 +22:50:53.1   2416 3817   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

  
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Considering the candidate 177203_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 177203_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.26    07:12:19.85 +24:07:11.5   3341 4547   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:12:19.59 +24:07:13.0 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 177487_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 177487_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.24    07:05:57.23 +22:56:37.9   2425 3875   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:05:57.28 +22:56:37.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 177670_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 177670_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.12    07:20:08.27 +21:57:05.0   4382 3203   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:20:08.34 +21:57:04.0 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 179183_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 179183_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.35    07:41:02.94 +23:03:00.2   7304 3850   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:41:02.92 +23:02:59.8 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 179290_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 179290_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.56    07:05:40.79 +22:57:36.6   2387 3886   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:05:40.86 +22:57:37.5 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 179498_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 179498_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 2     2026 09 01.40687    2461284.90687    12.69    07:17:42.47 +21:18:41.2   4031 2826   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:17:42.47 +21:18:41.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 163170_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 163170_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    11.68    07:07:34.72 +24:13:17.9   2687 4637   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:07:34.70 +24:13:18.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 15633_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 15633_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    10.01    07:16:34.18 +25:59:39.6   3961 5663   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:16:34.14 +25:59:39.9 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 71335_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 71335_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    9.91    07:16:30.33 +21:58:51.7   3875 3235   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

Rejecting candidate due to large distance (53.8") between the two second-epoch detections
  
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Considering the candidate 69109_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 69109_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    7.04    07:20:07.37 +21:58:55.3   4381 3222   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:20:07.38 +21:58:55.1 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 78576_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 78576_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    7.09    07:27:44.17 +21:26:39.6   5439 2879   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:27:44.16 +21:26:39.5 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 98488_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 98488_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    7.04    07:21:56.80 +20:26:37.3   4614 2288   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:21:56.78 +20:26:37.4 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 26100_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463
The candidate 26100_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463 did not pass the final checks
Discovery image 3     2026 09 01.40687    2461284.90687    7.00    07:23:28.39 +25:02:56.7   4887 5065   /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits

**** FOUND  07:23:28.37 +25:02:56.5 in the exclusion list exclusion_list_bsc.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 2s
Prepared the HTML report for the field Gem-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
Source monitoring: measuring positions from /data_ssd/NMW-TexasTech/workdir/img_2026-09-01_CI_Gem-04-Q2b1x1_045148_TTUQ2b1x1_3272623_IfD6Y7W0/monitoring_positions.txt
Read 23568 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 101.8950 to 119.3942 deg, Dec +16.4050 to +27.2497 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 101.8950 to 119.3942 deg, Dec 16.4050 to 27.2497 deg
Loaded 14089 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): 9333 out of 9745 total matches.
Matched with Tycho-2 9745 out of 23568 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Observation time (mid-exposure, UTC): JD 2461284.90632 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 110.74876 deg  Dec= +21.96016 deg
Frame center: alt= +15.276 deg  az= 76.178 deg  airmass= 3.7316
Header cross-check: CENTALT= 14.977 deg (difference +0.300 deg)
Header cross-check: AIRMASS= 3.8162 (we compute 3.7316)
Airmass zero-point fit: OK  k= +0.2374 +/- 0.0056 mag/airmass  N= 5331  airmass span 2.3799-5.9086  scatter 0.2789 mag
Source monitoring: airmass zero-point for wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits: OK +0.827828 -0.237363 3.7316 +0.2374 5331 3.5287 0.2789 2.3799 5.9086
Forced photometry (list mode): image=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits list=monitoring_pixlist3273165.tmp aperture=5.0
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 21.488500
Forced photometry: center=(9302.87, 3257.84) aperture=5.0
Annulus: inner=10.00 outer=25.00
NOTE: position falls in a bad CCD region (bad_region.lst) - skipping the measurement
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits
Source monitoring: 1 position(s) measured on wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-44-56_20.00sec_-0.00C_LIGHT_0462.fits (aperture 5.0 pix)
Read 24189 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 101.8950 to 119.4012 deg, Dec +16.3979 to +27.2379 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 101.8950 to 119.4012 deg, Dec 16.3979 to 27.2379 deg
Loaded 14088 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): 9621 out of 10029 total matches.
Matched with Tycho-2 10029 out of 24189 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Observation time (mid-exposure, UTC): JD 2461284.90687 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 110.76164 deg  Dec= +21.95138 deg
Frame center: alt= +15.419 deg  az= 76.261 deg  airmass= 3.6991
Header cross-check: CENTALT= 15.136 deg (difference +0.282 deg)
Header cross-check: AIRMASS= 3.7780 (we compute 3.6991)
Airmass zero-point fit: OK  k= +0.2376 +/- 0.0051 mag/airmass  N= 5518  airmass span 2.3848-7.8138  scatter 0.2744 mag
Source monitoring: airmass zero-point for wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits: OK +0.831836 -0.237586 3.6991 +0.2376 5518 5.4290 0.2744 2.3848 7.8138
Forced photometry (list mode): image=wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits list=monitoring_pixlist3273165.tmp aperture=4.8
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 21.461400
Forced photometry: center=(9293.13, 3262.61) aperture=4.8
Annulus: inner=9.60 outer=24.00
NOTE: position falls in a bad CCD region (bad_region.lst) - skipping the measurement
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits
Source monitoring: 1 position(s) measured on wcs_fd_Gem-04-Q2b1x1_2026-09-01_04-45-43_20.00sec_-0.00C_LIGHT_0463.fits (aperture 4.8 pix)
########### Completed Gem-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)2461284.90632466 -observatory V36
11:00:03.71 +08:04:28.7 Mercury (-1.4mag)
13:20:21.39 -12:10:44.0 Venus (-4.6mag)
06:57:55.56 +23:18:39.5 Mars (1.2mag)
09:04:08.22 +17:18:05.2 Jupiter (-1.8mag)
00:53:00.83 +02:47:51.7 Saturn (0.5mag)
04:13:33.15 +21:01:38.5 Uranus (5.7mag)
00:14:17.31 +00:00:27.1 Neptune (7.7mag)
20:26:01.29 -23:38:09.5 Pluto (14.5mag)
01:47:33.79 +15:43:59.7 Moon (-11.4mag)
-rw-r--r-- 1 apache apache 363 Sep  1 04:54 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461284.90632466:
09:04:13.58 +17:17:40.7 Io (6.2mag)
09:04:05.26 +17:18:20.3 Europa (6.3mag)
09:04:00.70 +17:18:40.9 Ganymede (5.6mag)
09:04:16.86 +17:17:23.0 Callisto (6.9mag)
09:01:44.63 +17:31:45.8 Himalia (15.7mag)
09:04:09.03 +17:18:02.4 Thebe (16.6mag)
09:01:24.28 +17:26:12.4 Elara (17.7mag)
09:08:08.92 +16:47:33.9 Pasiphae (17.9mag)
09:05:38.70 +17:34:16.3 Carme (19.0mag)
00:53:11.57 +02:47:24.3 Titan (8.3mag)
00:52:59.89 +02:47:57.0 Rhea (9.6mag)
00:53:29.25 +02:50:33.7 Iapetus (11.0mag)
00:52:53.07 +02:47:16.7 Hyperion (14.4mag)
00:51:53.96 +02:38:10.7 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Sep  1 04:54 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461284.90632466:
21:18:53.80 -05:00:33.6 JWST
16:34:58.08 +44:46:47.7 Chandra
11:59:57.66 -61:29:24.5 XMM-Newton
-rw-r--r-- 1 apache apache 96 Sep  1 04:54 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461284.90632466 -observatory V36
03:36:31.45 +19:02:41.9 17.4mag P/1996 R2 (Lagerkvist)
18:01:11.78 -34:18:59.1 14.3mag P/2010 H2 (Vales)
07:14:52.68 -69:59:07.6 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:14:54.79 +33:33:02.1 17.7mag C/2017 K2 (PANSTARRS)
04:41:50.48 +44:31:28.9 15.5mag P/2021 N1 (ZTF)
04:41:50.48 +44:31:28.9 15.5mag P/2021 N1 (ZTF)
22:18:16.60 +29:21:23.6 17.4mag C/2022 E2 (ATLAS)
07:05:32.17 +26:05:27.4 16.8mag C/2022 N2 (PANSTARRS)
10:44:03.07 +27:26:46.3 17.0mag C/2022 QE78 (ATLAS)
09:44:53.42 +05:15:46.9 18.0mag C/2022 R6 (PANSTARRS)
20:43:35.52 +62:15:26.0 18.0mag C/2023 H5 (Lemmon)
15:31:28.94 -15:07:48.0 14.8mag C/2023 R1 (PANSTARRS)
08:33:03.60 +32:32:44.5 15.7mag C/2024 E1 (Wierzchos)
15:06:00.30 +15:23:31.6 17.9mag C/2024 G6 (ATLAS)
18:37:47.09 +43:21:45.4 13.7mag C/2024 J3 (ATLAS)
20:34:28.43 +49:33:07.4 17.5mag C/2024 R4 (PANSTARRS)
05:32:16.07 -12:57:30.2 15.2mag C/2024 T5 (ATLAS)
07:09:22.39 +19:42:10.8 17.8mag C/2025 J1 (Borisov)
11:08:38.18 +19:13:16.6 16.9mag C/2025 V2 (Rankin)
13:14:54.13 +00:35:06.5 16.8mag C/2025 Y1 (ATLAS)
16:27:27.92 +74:56:35.8 16.2mag C/2026 A2 (Bok)
03:08:09.98 +46:16:32.0 17.4mag C/2026 B2 (Sun-Gao)
12:07:51.78 +10:47:46.0 17.5mag A/2026 E1
22:21:05.48 -34:24:43.4 13.2mag 10P/Tempel
11:44:15.42 -05:01:57.5 16.3mag 29P/Schwassmann-Wachmann
11:56:42.25 -03:13:08.3 17.5mag 63P/Wild
00:47:40.77 -06:41:45.0 15.4mag 65P/Gunn
06:27:40.55 +19:40:15.3 17.1mag 78P/Gehrels
03:16:18.29 +14:53:15.6 16.7mag 88P/Howell
05:18:58.40 +26:21:23.5 17.6mag 112P/Urata-Niijima
07:14:01.44 +26:14:29.6 16.0mag 114P/Wiseman-Skiff
10:14:38.80 +22:05:47.0 14.9mag 123P/West-Hartley
12:33:47.20 -19:15:33.0 17.4mag 124P/Mrkos
06:10:04.57 +20:48:27.1 15.9mag 128P/Shoemaker-Holt
23:55:18.59 +02:40:39.7 17.4mag 139P/Vaisala-Oterma
02:50:50.14 -18:07:49.5 15.5mag 161P/Hartley-IRAS
09:54:17.13 +18:13:06.3 11.9mag 169P/NEAT
03:18:46.00 +08:54:19.6 14.4mag 220P/McNaught
04:31:51.85 +34:24:19.3 15.2mag 260P/McNaught
08:15:48.01 +36:17:08.4 17.3mag 295P/LINEAR
15:21:35.72 +00:24:56.0 17.9mag 391P/Kowalski
09:22:39.06 +17:09:09.6 17.9mag 450P/LONEOS
-rw-r--r-- 1 apache apache 2.1K Sep  1 04:54 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.78 +32:04:21.30  AT2026ovz  2026-06-14.59 15.39
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:32.95 -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
-rw-r--r-- 1 apache apache 5.7K Sep  1 04:54 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
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
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
-rw-r--r-- 1 apache apache 190K Sep  1 04:54 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
00:13:38.500 +03:45:21.38  AT 2026xzq  2026-08-06.71 19.82
15:44:05.663 +62:31:02.12  AT 2026xzp  2026-08-07.30 19.137
15:23:07.561 +26:55:05.00  SN 2026xzo  2026-08-07.29 19.228
13:27:56.786 -31:29:17.86  AT 2026xzn  2026-08-06.74 18.953
23:05:36.390 -03:36:56.91  AT 2026xzm  2026-08-07.09 19.428
15:24:13.077 +54:48:58.02  AT 2026xzl  2026-08-04.29 19.12
05:43:45.299 -12:31:19.63  AT 2026xzk  2026-01-11.34 20.48
08:43:05.547 +25:32:19.55  AT 2026xzj  2026-01-11.58 20.89
16:22:31.145 +09:33:33.30  AT 2026xzi  2026-08-05.29 20.61
17:12:21.291 +21:02:54.44  AT 2026xzh  2026-08-05.34 20.95
16:19:36.299 +11:57:03.80  AT 2026xzg  2026-08-05.29 20.16
16:33:56.913 +13:58:08.26  AT 2026xzf  2026-08-05.29 21.06
17:03:57.056 +04:27:02.47  AT 2026xze  2026-08-05.28 20.78
17:51:27.713 +19:57:36.91  AT 2026xzd  2026-08-05.34 20.73
16:58:34.750 +12:37:35.05  AT 2026xzc  2026-08-05.29 21.81
16:57:45.366 -04:44:07.55  AT 2026xzb  2026-08-06.80 18.89
01:01:40.818 +17:24:52.10  AT 2026xza  2026-08-07.04 19.13
02:48:31.834 +11:32:30.95  AT 2026xyz  2026-07-27.60 20.39
02:42:23.530 +11:34:23.14  AT 2026xyy  2026-07-27.60 20.66
00:37:50.285 +37:00:52.41  AT 2026xyx  2026-07-26.50 21.17
-rw-r--r-- 1 apache apache 88K Sep  1 04:54 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Tue Sep  1 04:53:44 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 4s (0.07 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 36s (0.60 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 8s (0.13 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: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 53s (0.88 min)
TIMING SExtractor: 7 seconds
TIMING matching_and_photometry: 4 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 6 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 22s (0.37 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 22s (0.37 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: 48s (0.80 min)
FIELD_Gem-04-Q2b1x1: 118s (1.97 min)
=======================================
TOTAL_RUNTIME: 126s (2.10 min)
Finished: Tue Sep  1 04:55:50 CDT 2026