FITS images used in this processing run:

Field Crt-01-Q2b1x1 reference image: Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Field Crt-01-Q2b1x1 reference image: Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Field Crt-01-Q2b1x1 second-epoch image: Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Field Crt-01-Q2b1x1 second-epoch image: Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461146.71399943 16.04.2026 05:07:59.551   /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
First image: 2461146.71399943 16.04.2026 05:07:59.551   /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Last  image: 2461347.95329819 03.11.2026 10:52:34.964   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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.:  -7.51
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):  5537
Objects passed selection criteria:  5511
Measurements per detected object (mean, median, min, max):    2.7    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.7    2.0    2    4
Average stars detected per image: 3943
Average stars matched: 3617.75 (91.7512 %)
Memory usage VmPeak:   231712 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Nov  3 04:57:27 CST 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: 2461146.71399943 16.04.2026 05:07:59.551   /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
First image: 2461146.71399943 16.04.2026 05:07:59.551   /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Last  image: 2461347.95329819 03.11.2026 10:52:34.964   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 7
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.20
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: 8 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):  33324
Objects passed selection criteria:  33208
Measurements per detected object (mean, median, min, max):    2.7    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.7    2.0    2    4
Average stars detected per image: 24072.2
Average stars matched: 21957.5 (91.215 %)
Memory usage VmPeak:   255304 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Tue Nov  3 04:58:08 CST 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=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: 
Crt-01-Q2b1x1
#######################################
########### Starting Crt-01-Q2b1x1 ###########
Processing Crt-01-Q2b1x1
server tau has sufficient free disk space available: 849975 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 849975 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.png' -> 'transient_report/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits_preview.png'

Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits


renamed 'Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.png' -> 'transient_report/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits_preview.png'

Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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= 805.3864
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 494.8299
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 2609.6829
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 636.5906
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 2597.5723
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 634.1543
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.24029
INFO:                  SECOND_EPOCH__SD_ratio= 0.004
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 =     9.76000022888184 / [degC] Focuser temperature
AMBTEMP =                  9.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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= '2026-11-03T04:51:23.1805391' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-11-03T10:51:23.1805391' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61347.4523516204 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-11-03T10:51:33.0850931' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61347.4524662616 / 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      =     167.142462290378 / [deg] RA of telescope" status=0
Record 32: "DEC     =    -9.99963111540477 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.2894444444444 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     113.717222222222 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.74212054293097 / 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  = 'Crt-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '11 08 34'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-10 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  =                20662 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20662 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     9.76000022888184 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     9.76000022888184 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                  5.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 75.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                899.7 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                  9.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                177.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            23.801904 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            19.401552 / [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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/d_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits :)

Spent 0.530454 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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/d_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     9.69999980926514 / [degC] Focuser temperature
AMBTEMP =                  9.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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= '2026-11-03T04:52:34.9642319' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-11-03T10:52:34.9642319' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61347.4531824538 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-11-03T10:52:44.8677611' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61347.4532970716 / 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      =     167.142462212364 / [deg] RA of telescope" status=0
Record 32: "DEC     =    -9.99963109741082 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.5183333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     113.911944444444 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      3.6897714494108 / 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  = 'Crt-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '11 08 34'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-10 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  =                20662 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20662 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     9.69999980926514 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     9.69999980926514 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                  5.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 75.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                899.7 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                  9.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                177.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            23.801904 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            19.401552 / [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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/d_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits :)

Spent 0.504669 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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/d_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Previews of the CALIBRATED second-epoch images:


fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits



fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
  
SExtractor catalog cache: saved Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.cat to cache
SExtractor catalog cache: saved Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461347.95246736
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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits exists and is non-empty
wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits exists and is non-empty
wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits exists and is non-empty
wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (1st reference image)
verification OK: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Image size: 941.5'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 11:08:39.469 -10:01:02.24 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_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits (1st new image)
verification OK: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Image size: 940.4'x624.7'  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: 11:08:11.961 -09:56:50.02 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 11:08:39.469 -10:01:02.24
Second-epoch image center 11:08:11.961 -09:56:50.02
Angular distance between the image centers 0.1329 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits (2nd new image)
verification OK: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Image size: 940.3'x624.7'  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: 11:08:14.392 -09:56:20.30 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 11:08:39.469 -10:01:02.24
Second-epoch image center 11:08:14.392 -09:56:20.30
Angular distance between the image centers 0.1293 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  11:08:11.961 -09:56:50.02
Second-epoch second image center 11:08:14.392 -09:56:20.30
Angular distance between the image centers 0.01295 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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits &> /tmp/tmp.AL0VLhDNsb
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits &> /tmp/tmp.2ofFs1P5bn
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits &> /tmp/tmp.PIstQXzq9C
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits &> /tmp/tmp.6PC60Nvz0A
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Calibrating the magnitude scale
Found non-empty wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat 
Found non-empty wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat
The reference image (wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits) and catalog (wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat) found
'wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat' -> 'wcsmag.cat'
Read 6296 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2193 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 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2193 deg
Loaded 5073 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): 3677 out of 3824 total matches.
Matched with Tycho-2 3824 out of 6296 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.797900
a=0.000000 b=1.000000 c=22.797900
From vast_summary.log: estimated ref. image limiting mag.:  -7.51
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.29

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.29

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 6296 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2193 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 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2193 deg
Loaded 5073 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): 3677 out of 3824 total matches.
Matched with Tycho-2 3824 out of 6296 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Forced-photometry filter: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits -> calib.txt_param_ref_wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (aperture=6.2)
Read 6303 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2195 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 158.7572 to 175.3337 deg, Dec -15.6786 to -4.2195 deg
Loaded 5073 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): 3669 out of 3819 total matches.
Matched with Tycho-2 3819 out of 6303 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Forced-photometry filter: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits -> calib.txt_param_ref_wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits (aperture=6.3)
____ 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:
 2.1 pix  Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
 2.2 pix  Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
 2.5 pix  fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
 2.5 pix  fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Limiting magnitude estimates:
 15.3 mag.  Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
 15.3 mag.  Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
 14.2 mag.  fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
 14.2 mag.  fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
All-image limiting magnitude estimate:  14.2 (SNR )  11.3 (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.AL0VLhDNsb (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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits' -> 'wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS_IMAGE_NAME=wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS-calibrated image found: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Checking if the catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits alredy exist and is non-empty...
Catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS catalog name: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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=454, bad_region=1398, passed=6296
Got 6296 stars (including 4570 good ones) from the SExtractor catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat 
util/solve_plate_with_UCAC5 got 6296 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4491 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4487 matched stars entering correct_measured_positions(), 4487 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4487 matched stars entering correct_measured_positions(), 5199 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4490 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4487 matched stars entering correct_measured_positions(), 5199 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 4487 matched stars entering correct_measured_positions(), 5199 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 4487 stars left (next iteration limit 4935)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits N_match=4487 sigma_overall_arcsec=0.334 sigma_q1_arcsec=0.340 sigma_q2_arcsec=0.409 sigma_q3_arcsec=0.292 sigma_q4_arcsec=0.349 n_q1=1390 n_q2=709 n_q3=1523 n_q4=865 worst_quadrant_to_overall_ratio=1.225
WCS_HEADER_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits selection=current_pairs N_selected=4487 N_valid=4487 bias_ra_arcsec=-0.004 bias_dec_arcsec=0.006 median_sep_arcsec=0.277 p95_sep_arcsec=0.847 n_q1=1390 n_q2=709 n_q3=1523 n_q4=865 occupied_cells_4x4=16/16
The image catalog is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits -region wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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.2ofFs1P5bn (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/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits' -> 'wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS_IMAGE_NAME=wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS-calibrated image found: wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Checking if the catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits alredy exist and is non-empty...
Catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS catalog name: wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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=463, bad_region=1409, passed=6303
Got 6303 stars (including 4559 good ones) from the SExtractor catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat 
util/solve_plate_with_UCAC5 got 6303 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4476 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4469 matched stars entering correct_measured_positions(), 4469 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4469 matched stars entering correct_measured_positions(), 5187 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 

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 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4476 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4469 matched stars entering correct_measured_positions(), 5187 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4469 matched stars entering correct_measured_positions(), 5187 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Excluding outliers - 4469 stars left (next iteration limit 4915)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits N_match=4469 sigma_overall_arcsec=0.350 sigma_q1_arcsec=0.358 sigma_q2_arcsec=0.475 sigma_q3_arcsec=0.310 sigma_q4_arcsec=0.330 n_q1=1378 n_q2=698 n_q3=1510 n_q4=883 worst_quadrant_to_overall_ratio=1.359
WCS_HEADER_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits selection=current_pairs N_selected=4469 N_valid=4469 bias_ra_arcsec=0.001 bias_dec_arcsec=0.007 median_sep_arcsec=0.287 p95_sep_arcsec=0.895 n_q1=1378 n_q2=698 n_q3=1510 n_q4=883 occupied_cells_4x4=16/16
The image catalog is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits -region wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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.PIstQXzq9C (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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS_IMAGE_NAME=wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS-calibrated image found: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Checking if the catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits alredy exist and is non-empty...
Catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS catalog name: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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=231, bad_region=580, passed=3628
Got 3628 stars (including 2840 good ones) from the SExtractor catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat 
util/solve_plate_with_UCAC5 got 3628 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.4'
Seting catalog search parameters based on the expected field of view 940.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013061 (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 0.010449 (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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 2751 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2745 matched stars entering correct_measured_positions(), 2745 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2745 matched stars entering correct_measured_positions(), 3161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.43" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 2752 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2746 matched stars entering correct_measured_positions(), 3161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 2746 matched stars entering correct_measured_positions(), 3161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 2746 stars left (next iteration limit 3019)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2746 robust_rms=7.149 arcsec worst_region_rms=12.052 arcsec outer_annulus_rms=12.052 arcsec
SIP_REFIT: SIP order 3 trial: matched=2746 robust_rms=0.613 arcsec worst_region_rms=0.721 arcsec outer_annulus_rms=0.721 arcsec
SIP_REFIT: SIP order 5 trial: matched=2746 robust_rms=0.479 arcsec worst_region_rms=0.615 arcsec outer_annulus_rms=0.615 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2746 robust_rms_before=1.550 arcsec robust_rms_before_corrected=0.432 arcsec robust_rms_after=0.479 arcsec worst_region_rms_before=0.656 worst_region_rms_after=0.615 outer_annulus_rms_before=1.596 outer_annulus_rms_after=0.615
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.656 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits worst_region_rms_kept=0.656 arcsec robust_rms_kept=0.432 arcsec matched=2746
WCS_QUALITY_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits N_match=2746 sigma_overall_arcsec=0.434 sigma_q1_arcsec=0.470 sigma_q2_arcsec=0.493 sigma_q3_arcsec=0.408 sigma_q4_arcsec=0.425 n_q1=974 n_q2=450 n_q3=845 n_q4=477 worst_quadrant_to_overall_ratio=1.135
WCS_HEADER_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits selection=current_pairs N_selected=2746 N_valid=2746 bias_ra_arcsec=0.577 bias_dec_arcsec=0.444 median_sep_arcsec=1.314 p95_sep_arcsec=3.233 n_q1=974 n_q2=450 n_q3=845 n_q4=477 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits -region wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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.6PC60Nvz0A (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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS_IMAGE_NAME=wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS-calibrated image found: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Checking if the catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits alredy exist and is non-empty...
Catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS catalog name: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=251, bad_region=601, passed=3651
Got 3651 stars (including 2822 good ones) from the SExtractor catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat 
util/solve_plate_with_UCAC5 got 3651 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.3'
Seting catalog search parameters based on the expected field of view 940.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013060 (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 0.010448 (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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 2737 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2731 matched stars entering correct_measured_positions(), 2731 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2731 matched stars entering correct_measured_positions(), 3168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 2737 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2732 matched stars entering correct_measured_positions(), 3168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 2732 matched stars entering correct_measured_positions(), 3168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 2732 stars left (next iteration limit 3004)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2732 robust_rms=7.137 arcsec worst_region_rms=12.399 arcsec outer_annulus_rms=12.399 arcsec
SIP_REFIT: SIP order 3 trial: matched=2732 robust_rms=0.558 arcsec worst_region_rms=0.706 arcsec outer_annulus_rms=0.706 arcsec
SIP_REFIT: SIP order 5 trial: matched=2732 robust_rms=0.479 arcsec worst_region_rms=0.654 arcsec outer_annulus_rms=0.654 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2732 robust_rms_before=1.435 arcsec robust_rms_before_corrected=0.432 arcsec robust_rms_after=0.479 arcsec worst_region_rms_before=0.702 worst_region_rms_after=0.654 outer_annulus_rms_before=1.514 outer_annulus_rms_after=0.654
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.702 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits worst_region_rms_kept=0.702 arcsec robust_rms_kept=0.432 arcsec matched=2732
WCS_QUALITY_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits N_match=2732 sigma_overall_arcsec=0.429 sigma_q1_arcsec=0.454 sigma_q2_arcsec=0.489 sigma_q3_arcsec=0.413 sigma_q4_arcsec=0.418 n_q1=976 n_q2=455 n_q3=836 n_q4=465 worst_quadrant_to_overall_ratio=1.141
WCS_HEADER_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits selection=current_pairs N_selected=2732 N_valid=2732 bias_ra_arcsec=0.679 bias_dec_arcsec=0.412 median_sep_arcsec=1.235 p95_sep_arcsec=3.000 n_q1=976 n_q2=455 n_q3=836 n_q4=465 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits -region wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits to local_wcs_cache/
'wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits' -> 'local_wcs_cache/wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits'
Saving the final (post-refit) wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits to local_wcs_cache/
'wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits' -> 'local_wcs_cache/wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits'
Saving the final (post-refit) wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits to local_wcs_cache/
'wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits' -> 'local_wcs_cache/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits'
Saving the final (post-refit) wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits to local_wcs_cache/
'wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits' -> 'local_wcs_cache/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits sigma_overall=0.334 worst_q_ratio=1.225
ref2=Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits sigma_overall=0.350 worst_q_ratio=1.359
new1=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits sigma_overall=0.434 worst_q_ratio=1.135
new2=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits sigma_overall=0.429 worst_q_ratio=1.141
reference average sigma_overall=0.342 worst_q_ratio=1.292
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142_astrometric_residuals.png (4487 matched stars from wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.29 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143_astrometric_residuals.png (4469 matched stars from wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.31 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534_astrometric_residuals.png (2746 matched stars from wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.39 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535_astrometric_residuals.png (2732 matched stars from wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.38 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits'
Saving fully-calibrated image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits'
Preparing the HTML report for the field Crt-01-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
make_report_in_HTML.sh Phase 1 (network queries): 0s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 21169_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 21169_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 2     2026 11 03.45330    2461347.95330    11.55    11:01:23.87 -11:32:44.0   3762 2235   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  11:01:23.87 -11:32:44.2 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 01696_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 01696_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 3     2026 11 03.45330    2461347.95330    8.88    11:01:55.14 -07:39:42.6   3864 4581   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  11:01:55.14 -07:39:42.6 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 0s
Prepared the HTML report for the field Crt-01-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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
  
SExtractor catalog cache: saved Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.cat to cache
SExtractor catalog cache: saved Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Creating symlink local_wcs_cache/wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Creating symlink local_wcs_cache/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Creating symlink local_wcs_cache/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits exists and is non-empty
wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits exists and is non-empty
wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits exists and is non-empty
wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (1st reference image)
verification OK: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Image size: 941.5'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 11:08:39.469 -10:01:02.24 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_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits (1st new image)
verification OK: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Image size: 940.4'x624.7'  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: 11:08:11.961 -09:56:50.02 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 11:08:39.469 -10:01:02.24
Second-epoch image center 11:08:11.961 -09:56:50.02
Angular distance between the image centers 0.1329 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits (2nd new image)
verification OK: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Image size: 940.3'x624.7'  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: 11:08:14.392 -09:56:20.30 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 11:08:39.469 -10:01:02.24
Second-epoch image center 11:08:14.392 -09:56:20.30
Angular distance between the image centers 0.1293 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  11:08:11.961 -09:56:50.02
Second-epoch second image center 11:08:14.392 -09:56:20.30
Angular distance between the image centers 0.01295 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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits &> /tmp/tmp.j5fxgRfe2V
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits &> /tmp/tmp.DQcgbyF4ao
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits &> /tmp/tmp.bEsE71WnbS
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits &> /tmp/tmp.QdT7UrOYZ1
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Calibrating the magnitude scale
Found non-empty wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat 
Found non-empty wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits and wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat
The reference image (wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits) and catalog (wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat) found
'wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat' -> 'wcsmag.cat'
Read 39431 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7243 to 175.3645 deg, Dec -15.6793 to -4.2038 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 158.7243 to 175.3645 deg, Dec -15.6793 to -4.2038 deg
Loaded 5095 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): 3627 out of 3977 total matches.
Matched with Tycho-2 3977 out of 39431 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.669900
a=0.000000 b=1.000000 c=22.669900
From vast_summary.log: estimated ref. image limiting mag.:  -7.20
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.47

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.47

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 39431 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7243 to 175.3645 deg, Dec -15.6793 to -4.2038 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 158.7243 to 175.3645 deg, Dec -15.6793 to -4.2038 deg
Loaded 5095 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): 3627 out of 3977 total matches.
Matched with Tycho-2 3977 out of 39431 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Forced-photometry filter: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits -> calib.txt_param_ref_wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (aperture=4.7)
Read 39513 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 158.7254 to 175.3479 deg, Dec -15.6793 to -4.2038 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 158.7254 to 175.3479 deg, Dec -15.6793 to -4.2038 deg
Loaded 5092 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): 3634 out of 3979 total matches.
Matched with Tycho-2 3979 out of 39513 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Forced-photometry filter: calibrated wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits -> calib.txt_param_ref_wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits (aperture=4.7)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 7 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.0 pix  Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
 2.0 pix  Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
 2.4 pix  fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
 2.4 pix  fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Limiting magnitude estimates:
 15.5 mag.  Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
 15.5 mag.  Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
 14.4 mag.  fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
 14.4 mag.  fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
All-image limiting magnitude estimate:  14.4 (SNR )  13.7 (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.j5fxgRfe2V (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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits' -> 'wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS_IMAGE_NAME=wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS-calibrated image found: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
Checking if the catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits alredy exist and is non-empty...
Catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits
WCS catalog name: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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=21, blended=1628, bad_region=8289, passed=39410
Got 39410 stars (including 29842 good ones) from the SExtractor catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat 
util/solve_plate_with_UCAC5 got 39410 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4911 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 4908 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 32941 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 

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 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4910 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 32941 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 32941 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 4908 stars left (next iteration limit 5398)
Stop iterations.


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

SIP_REFIT: wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits N_match=4908 sigma_overall_arcsec=0.328 sigma_q1_arcsec=0.329 sigma_q2_arcsec=0.395 sigma_q3_arcsec=0.290 sigma_q4_arcsec=0.344 n_q1=1467 n_q2=835 n_q3=1607 n_q4=999 worst_quadrant_to_overall_ratio=1.205
WCS_HEADER_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits selection=current_pairs N_selected=4908 N_valid=4908 bias_ra_arcsec=-0.025 bias_dec_arcsec=0.011 median_sep_arcsec=0.281 p95_sep_arcsec=0.832 n_q1=1467 n_q2=835 n_q3=1607 n_q4=999 occupied_cells_4x4=16/16
The image catalog is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits -region wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.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.DQcgbyF4ao (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/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits' -> 'wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS_IMAGE_NAME=wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS-calibrated image found: wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
Checking if the catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits alredy exist and is non-empty...
Catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat corresponding to the image wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits
WCS catalog name: wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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=20, blended=1588, bad_region=8282, passed=39493
Got 39493 stars (including 29951 good ones) from the SExtractor catalog wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat 
util/solve_plate_with_UCAC5 got 39493 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4911 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 4907 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 33052 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 

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 371 to 430 (Dec -15.7 to -4.2)
Done reading UCAC5 zone files...
Matched 4911 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 33052 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 33052 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Excluding outliers - 4907 stars left (next iteration limit 5397)
Stop iterations.


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

SIP_REFIT: wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits N_match=4907 sigma_overall_arcsec=0.342 sigma_q1_arcsec=0.345 sigma_q2_arcsec=0.470 sigma_q3_arcsec=0.303 sigma_q4_arcsec=0.320 n_q1=1465 n_q2=841 n_q3=1605 n_q4=996 worst_quadrant_to_overall_ratio=1.377
WCS_HEADER_DIAG: file=Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits selection=current_pairs N_selected=4907 N_valid=4907 bias_ra_arcsec=-0.017 bias_dec_arcsec=0.006 median_sep_arcsec=0.292 p95_sep_arcsec=0.888 n_q1=1465 n_q2=841 n_q3=1605 n_q4=996 occupied_cells_4x4=16/16
The image catalog is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits -region wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.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.bEsE71WnbS (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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS_IMAGE_NAME=wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS-calibrated image found: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Checking if the catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits alredy exist and is non-empty...
Catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
WCS catalog name: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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=603, bad_region=2495, passed=19733
Got 19733 stars (including 16709 good ones) from the SExtractor catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat 
util/solve_plate_with_UCAC5 got 19733 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.4'
Seting catalog search parameters based on the expected field of view 940.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013061 (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 0.010449 (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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 4847 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 4835 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 17896 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 

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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 4846 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4836 matched stars entering correct_measured_positions(), 17896 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Accuracy estimation diagnostic: 4836 matched stars entering correct_measured_positions(), 17896 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 4836 stars left (next iteration limit 5318)
Stop iterations.


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

SIP_REFIT: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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=4836 robust_rms=6.930 arcsec worst_region_rms=11.628 arcsec outer_annulus_rms=11.628 arcsec
SIP_REFIT: SIP order 3 trial: matched=4836 robust_rms=0.639 arcsec worst_region_rms=0.793 arcsec outer_annulus_rms=0.741 arcsec
SIP_REFIT: SIP order 5 trial: matched=4836 robust_rms=0.504 arcsec worst_region_rms=0.619 arcsec outer_annulus_rms=0.619 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4836 robust_rms_before=1.565 arcsec robust_rms_before_corrected=0.432 arcsec robust_rms_after=0.504 arcsec worst_region_rms_before=0.618 worst_region_rms_after=0.619 outer_annulus_rms_before=1.522 outer_annulus_rms_after=0.619
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.618 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits worst_region_rms_kept=0.618 arcsec robust_rms_kept=0.432 arcsec matched=4836
WCS_QUALITY_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits N_match=4836 sigma_overall_arcsec=0.425 sigma_q1_arcsec=0.450 sigma_q2_arcsec=0.505 sigma_q3_arcsec=0.391 sigma_q4_arcsec=0.434 n_q1=1719 n_q2=737 n_q3=1531 n_q4=849 worst_quadrant_to_overall_ratio=1.188
WCS_HEADER_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits selection=current_pairs N_selected=4836 N_valid=4836 bias_ra_arcsec=0.556 bias_dec_arcsec=0.445 median_sep_arcsec=1.340 p95_sep_arcsec=3.157 n_q1=1719 n_q2=737 n_q3=1531 n_q4=849 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits -region wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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.QdT7UrOYZ1 (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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS_IMAGE_NAME=wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS-calibrated image found: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Checking if the catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits alredy exist and is non-empty...
Catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat corresponding to the image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
WCS catalog name: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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=688, bad_region=2558, passed=19981
Got 19981 stars (including 16809 good ones) from the SExtractor catalog wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat 
util/solve_plate_with_UCAC5 got 19981 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.3'
Seting catalog search parameters based on the expected field of view 940.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013060 (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 0.010448 (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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 4845 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: 0.41" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 18086 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 

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 373 to 429 (Dec -15.2 to -4.6)
Done reading UCAC5 zone files...
Matched 4843 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 18086 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 18086 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 4835 stars left (next iteration limit 5317)
Stop iterations.


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

SIP_REFIT: wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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=4835 robust_rms=6.897 arcsec worst_region_rms=12.175 arcsec outer_annulus_rms=12.175 arcsec
SIP_REFIT: SIP order 3 trial: matched=4835 robust_rms=0.580 arcsec worst_region_rms=0.701 arcsec outer_annulus_rms=0.701 arcsec
SIP_REFIT: SIP order 5 trial: matched=4835 robust_rms=0.499 arcsec worst_region_rms=0.655 arcsec outer_annulus_rms=0.655 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4835 robust_rms_before=1.450 arcsec robust_rms_before_corrected=0.430 arcsec robust_rms_after=0.499 arcsec worst_region_rms_before=0.625 worst_region_rms_after=0.655 outer_annulus_rms_before=1.504 outer_annulus_rms_after=0.655
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.625 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits worst_region_rms_kept=0.625 arcsec robust_rms_kept=0.430 arcsec matched=4835
WCS_QUALITY_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits N_match=4835 sigma_overall_arcsec=0.437 sigma_q1_arcsec=0.461 sigma_q2_arcsec=0.501 sigma_q3_arcsec=0.402 sigma_q4_arcsec=0.433 n_q1=1715 n_q2=733 n_q3=1537 n_q4=850 worst_quadrant_to_overall_ratio=1.147
WCS_HEADER_DIAG: file=fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits selection=current_pairs N_selected=4835 N_valid=4835 bias_ra_arcsec=0.676 bias_dec_arcsec=0.406 median_sep_arcsec=1.250 p95_sep_arcsec=2.993 n_q1=1715 n_q2=733 n_q3=1537 n_q4=850 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits -region wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Saving fully-calibrated image wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.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_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/wcs_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits
Preparing the HTML report for the field Crt-01-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits at 11:15:14.98 -06:09:40.9:  12.44 +/- 0.01  detection
Forced photometry on wcs_Crt-01-Q2b1x1_2026-04-16_00-07-59_20.00sec_-4.90C_LIGHTs_0142.fits at 11:20:25.29 -10:16:56.9:  12.84 +/- 0.03  detection
Forced photometry on wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits at 11:20:25.29 -10:16:56.9:  12.82 +/- 0.03  detection
Forced photometry on wcs_Crt-01-Q2b1x1_2026-04-16_00-08-54_20.00sec_-5.00C_LIGHTs_0143.fits at 11:15:14.98 -06:09:40.9:  12.41 +/- 0.01  detection
Forced photometry reference-image weighted average:  12.83 +/- 0.02
Forced photometry reference-image weighted average:  12.42 +/- 0.01
Forced photometry filter REJECTED candidate at 11:15:14.98 -06:09:40.9: ref_mag=12.42 +/- 0.01 new_mean_mag=12.3059 delta=0.12 (need > 0.90)
Forced photometry filter REJECTED candidate at 11:20:25.29 -10:16:56.9: ref_mag=12.83 +/- 0.02 new_mean_mag=12.7433 delta=0.09 (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: 0s
  
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Considering the candidate 52383_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 52383_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 1     2026 11 03.45247    2461347.95247    12.32    11:15:14.99 -06:09:41.1   5885 5469   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Discovery image 2     2026 11 03.45330    2461347.95330    12.29    11:15:14.96 -06:09:40.6   5878 5464   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

  
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Considering the candidate 54991_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 54991_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 1     2026 11 03.45247    2461347.95247    12.71    11:20:25.20 -10:16:56.8   6600 2962   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-51-23_20.00sec_-0.00C_LIGHT_0534.fits
Discovery image 2     2026 11 03.45330    2461347.95330    12.78    11:20:25.37 -10:16:57.0   6594 2957   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

  
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Considering the candidate 55125_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 55125_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 2     2026 11 03.45330    2461347.95330    12.79    11:10:50.10 -13:05:41.6   5140 1284   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  11:10:50.10 -13:05:40.8 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56403_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 56403_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 2     2026 11 03.45330    2461347.95330    13.35    10:52:18.59 -11:05:23.1   2415 2515   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  10:52:18.63 -11:05:22.8 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 17663_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 17663_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 3     2026 11 03.45330    2461347.95330    12.86    11:12:05.13 -09:39:45.4   5363 3354   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

Rejecting candidate due to large distance (46.2") between the two second-epoch detections
  
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Considering the candidate 10397_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 10397_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 3     2026 11 03.45330    2461347.95330    9.02    11:01:55.12 -07:39:42.5   3864 4581   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  11:01:55.13 -07:39:42.3 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 27574_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535
The candidate 27574_fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535 did not pass the final checks
Discovery image 3     2026 11 03.45330    2461347.95330    11.58    11:01:23.87 -11:32:44.1   3762 2235   /data_ssd/NMW-TexasTech/workdir//img_2026-11-03_CI_Crt-01-Q2b1x1_045314_TTUQ2b1x1_402637_oQ01UVwQ/fd_Crt-01-Q2b1x1_2026-11-03_04-52-34_20.00sec_-0.00C_LIGHT_0535.fits

**** FOUND  11:01:23.88 -11:32:44.2 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 Crt-01-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed Crt-01-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)2461347.95246736 -observatory V36
14:42:26.60 -16:33:41.0 Mercury (5.5mag)
13:25:17.89 -13:33:04.5 Venus (-4.3mag)
09:29:42.61 +16:32:48.5 Mars (0.8mag)
09:47:07.59 +14:05:59.0 Jupiter (-2.0mag)
00:36:24.06 +01:00:30.7 Saturn (0.5mag)
04:09:01.15 +20:50:06.1 Uranus (5.6mag)
00:08:19.65 -00:38:18.9 Neptune (7.7mag)
20:24:28.52 -23:41:31.9 Pluto (14.5mag)
10:14:08.83 +10:20:29.0 Moon (-9.8mag)
-rw-r--r-- 1 apache apache 361 Nov  3 04:57 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461347.95246736:
09:47:01.18 +14:06:36.3 Io (6.0mag)
09:46:58.78 +14:06:51.0 Europa (6.1mag)
09:47:20.06 +14:04:47.5 Ganymede (5.5mag)
09:47:37.28 +14:03:09.7 Callisto (6.8mag)
09:48:34.90 +14:15:26.3 Himalia (15.5mag)
09:47:06.87 +14:06:03.9 Thebe (16.3mag)
09:46:53.80 +14:30:59.9 Elara (17.4mag)
09:47:52.77 +13:33:40.6 Pasiphae (17.7mag)
09:44:08.89 +14:37:54.3 Carme (18.7mag)
00:36:33.19 +01:00:02.6 Titan (8.3mag)
00:36:24.22 +01:00:32.4 Rhea (9.6mag)
00:36:54.51 +01:01:10.3 Iapetus (11.0mag)
00:36:13.06 +01:00:10.4 Hyperion (14.2mag)
00:34:37.34 +00:48:21.3 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Nov  3 04:57 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461347.95246736:
04:35:16.36 +17:20:16.9 JWST
15:22:39.92 +53:13:18.4 Chandra
07:17:22.86 -19:12:38.3 XMM-Newton
-rw-r--r-- 1 apache apache 96 Nov  3 04:57 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461347.95246736 -observatory V36
03:33:37.05 +19:56:45.8 17.1mag P/1996 R2 (Lagerkvist)
07:46:38.85 +38:23:16.0 17.9mag P/2004 V5 (LINEAR-Hill)
07:46:44.22 +38:23:03.0 17.9mag P/2004 V5-A (LINEAR-Hill)
07:46:02.76 +38:23:22.8 17.9mag P/2004 V5-B (LINEAR-Hill)
05:01:53.74 +39:06:12.4 17.8mag P/2009 Y2 (Kowalski)
18:48:07.52 -32:52:33.6 15.0mag P/2010 H2 (Vales)
07:45:18.22 -73:54:31.8 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:11:28.26 +35:18:35.4 17.7mag C/2017 K2 (PANSTARRS)
07:35:42.95 +25:20:22.3 16.9mag C/2022 N2 (PANSTARRS)
09:08:34.60 +38:32:13.0 16.4mag C/2024 E1 (Wierzchos)
18:37:02.28 +40:52:16.5 17.4mag C/2024 J3 (ATLAS)
05:43:02.74 -13:33:15.3 16.3mag C/2024 T5 (ATLAS)
14:15:19.22 -04:35:27.0 16.3mag C/2025 Y1 (ATLAS)
20:14:55.35 +53:03:33.7 15.2mag C/2026 A2 (Bok)
13:07:37.77 +16:59:30.5 17.7mag A/2026 E1
16:00:31.58 -65:27:01.8 14.5mag P/2026 R2 (Leonard)
19:34:06.50 -05:22:11.8 17.1mag P/2026 T1 (ATLAS)
23:28:48.46 +14:02:52.7 16.8mag 2P/Encke
23:26:06.94 -25:45:53.1 15.4mag 10P/Tempel
02:39:58.84 +30:32:57.8 16.3mag 11P/Tempel-Swift-LINEAR
12:26:11.16 -10:02:21.6 16.3mag 29P/Schwassmann-Wachmann
00:10:39.93 -09:01:19.6 15.9mag 65P/Gunn
08:00:14.08 +13:34:57.7 14.0mag 78P/Gehrels
08:59:55.78 +45:57:35.8 17.1mag 112P/Urata-Niijima
09:51:13.19 +05:34:48.1 17.8mag 114P/Wiseman-Skiff
12:26:58.01 +08:02:14.3 14.8mag 123P/West-Hartley
19:48:51.30 +14:25:23.8 10.2mag 161P/Hartley-IRAS
11:12:15.40 -03:06:52.4 16.2mag 169P/NEAT
09:41:35.61 +23:29:45.5 18.0mag 186P/Garradd
03:10:39.39 +02:11:07.2 15.3mag 220P/McNaught
06:22:38.75 +49:46:37.3 15.6mag 260P/McNaught
07:56:31.41 +25:04:31.2 17.6mag 266P/Christensen
-rw-r--r-- 1 apache apache 1.6K Nov  3 04:57 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
17:54:18.84 -27:36:35.70  TCP J17541876-2736362  2026-10-24.76 9.92
10:38:47.97 +53:30:34.00  SN2026sqf  2026-10-24.6 13.27
21:49:53.30 +14:07:44.90  ASASSN-26fq  2026-10-23.23 14.82
01:00:14.36 +34:04:05.90  ASASSN-26fp  2026-10-23.34 12.9
01:06:23.14 -63:46:37.10  ASASSN-26fo  2026-10-19.79 -4.88
00:25:28.03 +20:14:39.10  SN2026afqd  2026-10-19.36 -0.77
22:14:03.37 -45:07:18.60  ASASSN-26fm  2026-10-13.75 14.42
01:57:48.19 -33:14:42.30  SN 2026aedl  2026-10-12.33 15.3
18:05:22.06 +17:52:41.00  ASASSN-26fn  2026-10-11.74 15.23
21:50:55.86 -02:51:49.30  SN2026acyb  2026-10-9.85 16.83
03:40:34.04 +02:31:56.70  SN2026acvp  2026-10-9.95 17.75
04:33:25.91 -13:41:04.20  SN2026adhl  2026-10-9.94 17.52
09:20:05.05 +27:03:12.40  SN2026aeif  2026-10-9.47 15.93
02:58:07.77 -65:18:52.90  ASASSN-26fl  2026-10-7.9 -0.85
02:49:03.98 -49:55:57.00  SN 2026adfy  2026-10-4.88 16.61
22:03:46.31 -11:07:57.70  AT2026adgn  2026-10-4.28 -2.56
15:03:12.98 +49:51:05.40  ASASSN-26fj  2026-10-2.06 15.91
08:07:27.96 -65:51:03.90  ASASSN-26fi  2026-10-1.36 15.82
21:02:34.66 +23:57:26.20  ASASSN-26fh  2026-10-1.27 15.94
20:00:16.62 +03:26:29.90  AT2026adfv  2026-10-1.3 16.42
00:08:42.74 -32:33:16.50  SN2026abhc  2026-09-29.15 15.57
21:02:30.26 -19:27:41.80  SN2026acxa  2026-09-29.13 14.65
04:39:17.45 -28:06:12.40  ASASSN-26fg  2026-09-23.25 15.73
05:25:07.80 +04:38:32.40  SN2026aajs  2026-09-21.32 17.04
19:56:12.67 +08:25:27.70  AT2026acgs  2026-09-18.14 15.84
00:02:34.06 +52:55:18.90  ASASSN-26ff  2026-09-16.38 15.41
23:44:33.18 +17:46:12.20  SN2026yjv  2026-09-15.38 18.32
16:21:12.24 +57:37:51.30  SN 2026aafh  2026-09-14.11 15.02
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi  2026-09-12.99 16.58
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs  2026-09-13.47 17
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars  2026-09-12.27 16.93
02:47:25.52 -32:58:34.50  SN 2026znh  2026-09-9.92 16.26
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.64 +34:24:35.00  SN2026aaiv  2026-09-7.25 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.79 -22:25:29.10  V8055  2026-08-30 10.76
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.89 -10:37:05.90  SN2026vbh  2026-07-25.05 15.79
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
-rw-r--r-- 1 apache apache 5.7K Nov  3 04:57 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
00:38:15.01 +41:14:47.2  TCP J00381501+4114472  2026-10-08.5978  17.72Cmag
01:06:05.83 +09:51:20.4  TCP J01060583+0951204  2026-10-10.8543  14.54Cmag
17:54:18.76 -27:36:36.2  TCP J17541876-2736362  2026-10-12.3993  10.8mag
09:56:00.79 +69:06:15.2  PNV J09560079+6906152  2026-10-14.9274  19.38Cmag
00:43:30.83 +41:26:55.3  PNV J00433083+4126553  2026-10-17.5651  18.61Cmag
04:57:32.08 +30:15:41.6  TCP J04573208+3015416  2026-10-17.7818  18.21Cmag
05:21:07.64 +23:38:21.3  TCP J05210764+2338213  2026-10-18.4020  10.3mag
05:34:11.01 +28:45:30.5  TCP J05341101+2845305  2026-10-18.3604  16.6mag
-rw-r--r-- 1 apache apache 191K Nov  3 04:57 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
09:05:17.957 +16:54:24.18  AT 2026afqz  2026-10-14.48 20.4887
08:54:21.666 +09:12:48.44  AT 2026afqy  2026-10-14.49 20.3035
09:25:26.154 +14:49:42.05  SN 2026afqx  2026-09-24.53 19.3798
04:49:00.563 -20:22:30.78  AT 2026afqw  2026-10-16.48 19.4415
07:26:25.375 -34:28:52.68  AT 2026afqv  2026-10-17.34 19.271
21:46:13.715 +36:36:26.80  AT 2026afqu  2026-10-15.87 19.7
03:11:38.085 -02:01:36.09  AT 2026afqt  2026-10-16.06 19.51
07:41:25.037 +21:02:16.50  SN 2026afqs  2026-10-13.18 19.73
08:37:58.823 +12:32:25.90  SN 2026afqr  2026-10-17.23 19.93
04:51:17.403 -26:27:57.01  AT 2026afqq  2026-10-17.26 19.449
04:37:45.596 -24:04:12.02  AT 2026afqp  2026-10-17.26 19.535
01:25:03.389 -32:39:10.49  AT 2026afqo  2026-10-12.21 19.322
03:17:26.864 -15:58:34.85  AT 2026afqn  2026-10-17.30 19.375
17:53:52.220 +41:47:24.16  AT 2026afqm  2026-10-16.83 19.331
06:23:17.419 +70:33:15.10  SN 2026afql  2026-10-17.15 18.737
02:38:36.934 +41:55:58.84  SN 2026afqk  2026-10-17.04 19.369
05:26:14.588 -27:06:01.24  AT 2026afqj  2026-10-17.29 19.31
02:01:09.758 -36:18:14.69  AT 2026afqi  2026-10-12.26 19.361
09:44:49.328 +38:11:23.47  SN 2026afqh  2026-10-17.22 18.467
17:38:02.102 +55:52:14.30  AT 2026afqg  2026-10-16.84 19.253
-rw-r--r-- 1 apache apache 89K Nov  3 04:57 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Tue Nov  3 04:54:13 CST 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 23s (0.38 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 6s (0.10 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 1s (0.02 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 35s (0.58 min)
TIMING SExtractor: 5 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 9s (0.15 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: 8s (0.13 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 1s (0.02 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 1s (0.02 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 20s (0.33 min)
FIELD_Crt-01-Q2b1x1: 69s (1.15 min)
=======================================
TOTAL_RUNTIME: 246s (4.10 min)
Finished: Tue Nov  3 04:58:19 CST 2026