FITS images used in this processing run:

Field UMa-12-Q2b1x1 reference image: UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Field UMa-12-Q2b1x1 reference image: UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Field UMa-12-Q2b1x1 second-epoch image: UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Field UMa-12-Q2b1x1 second-epoch image: UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.80114498 22.02.2026 07:13:28.926   /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
First image: 2461093.80114498 22.02.2026 07:13:28.926   /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Last  image: 2461334.88670196 21.10.2026 09:16:41.049   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
JD time system (TT/UTC/UNKNOWN): UTC
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: 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):  4881
Objects passed selection criteria:  4864
Measurements per detected object (mean, median, min, max):    3.1    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.1    4.0    2    4
Average stars detected per image: 3862
Average stars matched: 3788 (98.0839 %)
Memory usage VmPeak:   231984 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 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct 21 04:51:19 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.80114498 22.02.2026 07:13:28.926   /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
First image: 2461093.80114498 22.02.2026 07:13:28.926   /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Last  image: 2461334.88670196 21.10.2026 09:16:41.049   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 13
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -6.91
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: 9 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):  24757
Objects passed selection criteria:  24695
Measurements per detected object (mean, median, min, max):    3.2    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.2    4.0    2    4
Average stars detected per image: 20560
Average stars matched: 19931 (96.9407 %)
Memory usage VmPeak:   250776 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 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct 21 04:52:04 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
UMa-12-Q2b1x1
#######################################
########### Starting UMa-12-Q2b1x1 ###########
Processing UMa-12-Q2b1x1
server tau has sufficient free disk space available: 674186 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 674186 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.png' -> 'transient_report/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits_preview.png'

UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits


renamed 'UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.png' -> 'transient_report/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits_preview.png'

UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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= 433.0892
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 547.9990
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1576.6733
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 482.2839
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1568.9637
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 482.7451
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.64053
INFO:                  SECOND_EPOCH__SD_ratio= 0.001
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 =     14.0100002288818 / [degC] Focuser temperature
AMBTEMP =                 13.4 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-21T04:15:43.4652940' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-21T09:15:43.4652940' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61334.3859197339 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-21T09:15:53.3662408' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61334.3860343285 / 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      =     163.633196449603 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999404809622 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.0452777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     54.2219444444444 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.79966796044317 / 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  = 'UMa-12'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '10 54 33'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 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  =                20665 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20665 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     14.0100002288818 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     14.0100002288818 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.4 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 88.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                906.5 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 13.4 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 78.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             3.600288 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             3.600288 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/d_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits :)

Spent 0.522328 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/d_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =                 14.0 / [degC] Focuser temperature
AMBTEMP =                 13.4 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-21T04:16:41.0494504' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-21T09:16:41.0494504' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61334.3865862153 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-21T09:16:50.9541262' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61334.3867008565 / 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      =     163.633196379422 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999405235964 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.2088888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     54.3247222222222 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.76090841239085 / 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  = 'UMa-12'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '10 54 33'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 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  =                20665 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20665 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =                 14.0 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=                 14.0 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.4 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 88.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                906.5 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 13.4 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 78.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             3.600288 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             3.600288 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/d_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits :)

Spent 0.518820 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/d_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits



fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
  
SExtractor catalog cache: saved UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.cat to cache
SExtractor catalog cache: saved UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_onlybrightstars_v1
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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: 2461334.88603547
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_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits exists and is non-empty
wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits exists and is non-empty
wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits exists and is non-empty
wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (1st reference image)
verification OK: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Image size: 941.7'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:54:33.431 +38:00:08.84 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits (1st new image)
verification OK: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Image size: 941.1'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 10:54:41.080 +38:01:25.56 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 10:54:33.431 +38:00:08.84
Second-epoch image center 10:54:41.080 +38:01:25.56
Angular distance between the image centers 0.0329 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits (2nd new image)
verification OK: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Image size: 941.0'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 10:54:38.969 +38:02:06.04 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 10:54:33.431 +38:00:08.84
Second-epoch image center 10:54:38.969 +38:02:06.04
Angular distance between the image centers 0.0373 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  10:54:41.080 +38:01:25.56
Second-epoch second image center 10:54:38.969 +38:02:06.04
Angular distance between the image centers 0.01321 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits &> /tmp/tmp.QAU3U48wYd
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits &> /tmp/tmp.wTs3QpsV6k
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits &> /tmp/tmp.MWvtlBaRno
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits &> /tmp/tmp.qazLQkQYGO
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
Found non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat
The reference image (wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits) and catalog (wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat) found
'wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat' -> 'wcsmag.cat'
Read 6622 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6840 to 173.9565 deg, Dec +32.0154 to +43.3822 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 152.6840 to 173.9565 deg, Dec 32.0154 to 43.3822 deg
Loaded 4614 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): 3186 out of 3371 total matches.
Matched with Tycho-2 3371 out of 6622 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.930350
a=0.000000 b=1.000000 c=22.930350
From vast_summary.log: estimated ref. image limiting mag.:  -7.20
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.73

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.73

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 6622 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6840 to 173.9565 deg, Dec +32.0154 to +43.3822 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 152.6840 to 173.9565 deg, Dec 32.0154 to 43.3822 deg
Loaded 4614 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): 3186 out of 3371 total matches.
Matched with Tycho-2 3371 out of 6622 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Forced-photometry filter: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits -> calib.txt_param_ref_wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (aperture=6.4)
Read 6629 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6838 to 173.9691 deg, Dec +32.0183 to +43.3832 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 152.6838 to 173.9691 deg, Dec 32.0183 to 43.3832 deg
Loaded 4612 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): 3204 out of 3380 total matches.
Matched with Tycho-2 3380 out of 6629 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Forced-photometry filter: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits -> calib.txt_param_ref_wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits (aperture=6.4)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.2 pix  UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
 2.2 pix  UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
 2.3 pix  fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
 2.3 pix  fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Limiting magnitude estimates:
 15.7 mag.  UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
 15.7 mag.  UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
 14.6 mag.  fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
 14.7 mag.  fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
All-image limiting magnitude estimate:  14.6 (SNR )  11.6 (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.QAU3U48wYd (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits' -> 'wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS_IMAGE_NAME=wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS-calibrated image found: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Checking if the catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits alredy exist and is non-empty...
Catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS catalog name: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.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=475, bad_region=1496, passed=6622
Got 6622 stars (including 4756 good ones) from the SExtractor catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
util/solve_plate_with_UCAC5 got 6622 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4584 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4576 matched stars entering correct_measured_positions(), 4576 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4576 matched stars entering correct_measured_positions(), 5452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4583 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4575 matched stars entering correct_measured_positions(), 5452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 4575 matched stars entering correct_measured_positions(), 5452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4575 stars left (next iteration limit 5033)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits N_match=4575 sigma_overall_arcsec=0.423 sigma_q1_arcsec=0.485 sigma_q2_arcsec=0.449 sigma_q3_arcsec=0.378 sigma_q4_arcsec=0.387 n_q1=1380 n_q2=812 n_q3=1524 n_q4=859 worst_quadrant_to_overall_ratio=1.147
WCS_HEADER_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits selection=current_pairs N_selected=4575 N_valid=4575 bias_ra_arcsec=0.008 bias_dec_arcsec=0.001 median_sep_arcsec=0.351 p95_sep_arcsec=0.837 n_q1=1380 n_q2=812 n_q3=1524 n_q4=859 occupied_cells_4x4=16/16
The image catalog is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits -region wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.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.wTs3QpsV6k (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits' -> 'wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS_IMAGE_NAME=wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS-calibrated image found: wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Checking if the catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits alredy exist and is non-empty...
Catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS catalog name: wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.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=476, bad_region=1505, passed=6629
Got 6629 stars (including 4756 good ones) from the SExtractor catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat 
util/solve_plate_with_UCAC5 got 6629 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010464 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4588 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4581 matched stars entering correct_measured_positions(), 4581 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4581 matched stars entering correct_measured_positions(), 5455 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4588 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4581 matched stars entering correct_measured_positions(), 5455 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4581 matched stars entering correct_measured_positions(), 5455 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4581 stars left (next iteration limit 5039)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits N_match=4581 sigma_overall_arcsec=0.407 sigma_q1_arcsec=0.472 sigma_q2_arcsec=0.432 sigma_q3_arcsec=0.362 sigma_q4_arcsec=0.384 n_q1=1390 n_q2=808 n_q3=1522 n_q4=861 worst_quadrant_to_overall_ratio=1.161
WCS_HEADER_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits selection=current_pairs N_selected=4581 N_valid=4581 bias_ra_arcsec=0.001 bias_dec_arcsec=0.002 median_sep_arcsec=0.333 p95_sep_arcsec=0.829 n_q1=1390 n_q2=808 n_q3=1522 n_q4=861 occupied_cells_4x4=16/16
The image catalog is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits -region wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.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.MWvtlBaRno (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS_IMAGE_NAME=wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS-calibrated image found: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Checking if the catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS catalog name: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.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=200, bad_region=561, passed=3203
Got 3203 stars (including 2474 good ones) from the SExtractor catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat 
util/solve_plate_with_UCAC5 got 3203 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.1'
Seting catalog search parameters based on the expected field of view 941.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013071 (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 0.010457 (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 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 2365 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2363 matched stars entering correct_measured_positions(), 2364 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2363 matched stars entering correct_measured_positions(), 2735 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 2366 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2365 matched stars entering correct_measured_positions(), 2735 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 2365 matched stars entering correct_measured_positions(), 2735 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 2365 stars left (next iteration limit 2599)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2365 robust_rms=6.667 arcsec worst_region_rms=10.580 arcsec outer_annulus_rms=10.580 arcsec
SIP_REFIT: SIP order 3 trial: matched=2365 robust_rms=0.477 arcsec worst_region_rms=0.586 arcsec outer_annulus_rms=0.580 arcsec
SIP_REFIT: SIP order 5 trial: matched=2365 robust_rms=0.386 arcsec worst_region_rms=0.494 arcsec outer_annulus_rms=0.494 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2365 robust_rms_before=1.714 arcsec robust_rms_before_corrected=0.358 arcsec robust_rms_after=0.386 arcsec worst_region_rms_before=0.500 worst_region_rms_after=0.494 outer_annulus_rms_before=1.627 outer_annulus_rms_after=0.494
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.500 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits worst_region_rms_kept=0.500 arcsec robust_rms_kept=0.358 arcsec matched=2365
WCS_QUALITY_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits N_match=2365 sigma_overall_arcsec=0.369 sigma_q1_arcsec=0.373 sigma_q2_arcsec=0.415 sigma_q3_arcsec=0.372 sigma_q4_arcsec=0.360 n_q1=784 n_q2=348 n_q3=822 n_q4=411 worst_quadrant_to_overall_ratio=1.123
WCS_HEADER_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits selection=current_pairs N_selected=2365 N_valid=2365 bias_ra_arcsec=0.522 bias_dec_arcsec=0.657 median_sep_arcsec=1.545 p95_sep_arcsec=3.202 n_q1=784 n_q2=348 n_q3=822 n_q4=411 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits -region wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.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.qazLQkQYGO (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS_IMAGE_NAME=wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS-calibrated image found: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Checking if the catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS catalog name: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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=214, bad_region=565, passed=3212
Got 3212 stars (including 2465 good ones) from the SExtractor catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat 
util/solve_plate_with_UCAC5 got 3212 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.0'
Seting catalog search parameters based on the expected field of view 941.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013069 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010456 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 2362 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2361 matched stars entering correct_measured_positions(), 2362 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2361 matched stars entering correct_measured_positions(), 2740 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 2361 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2360 matched stars entering correct_measured_positions(), 2740 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 2360 matched stars entering correct_measured_positions(), 2740 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 2360 stars left (next iteration limit 2597)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2360 robust_rms=6.640 arcsec worst_region_rms=10.346 arcsec outer_annulus_rms=10.346 arcsec
SIP_REFIT: SIP order 3 trial: matched=2360 robust_rms=0.519 arcsec worst_region_rms=0.597 arcsec outer_annulus_rms=0.548 arcsec
SIP_REFIT: SIP order 5 trial: matched=2360 robust_rms=0.404 arcsec worst_region_rms=0.527 arcsec outer_annulus_rms=0.507 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2360 robust_rms_before=1.585 arcsec robust_rms_before_corrected=0.370 arcsec robust_rms_after=0.404 arcsec worst_region_rms_before=0.521 worst_region_rms_after=0.527 outer_annulus_rms_before=1.615 outer_annulus_rms_after=0.507
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.521 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits worst_region_rms_kept=0.521 arcsec robust_rms_kept=0.370 arcsec matched=2360
WCS_QUALITY_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits N_match=2360 sigma_overall_arcsec=0.372 sigma_q1_arcsec=0.361 sigma_q2_arcsec=0.446 sigma_q3_arcsec=0.390 sigma_q4_arcsec=0.344 n_q1=768 n_q2=350 n_q3=829 n_q4=413 worst_quadrant_to_overall_ratio=1.198
WCS_HEADER_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits selection=current_pairs N_selected=2360 N_valid=2360 bias_ra_arcsec=0.542 bias_dec_arcsec=0.661 median_sep_arcsec=1.439 p95_sep_arcsec=2.906 n_q1=768 n_q2=350 n_q3=829 n_q4=413 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits -region wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits to local_wcs_cache/
'wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits' -> 'local_wcs_cache/wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits'
Saving the final (post-refit) wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits to local_wcs_cache/
'wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits' -> 'local_wcs_cache/wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits'
Saving the final (post-refit) wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits to local_wcs_cache/
'wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits' -> 'local_wcs_cache/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits'
Saving the final (post-refit) wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits to local_wcs_cache/
'wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits' -> 'local_wcs_cache/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits sigma_overall=0.423 worst_q_ratio=1.147
ref2=UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits sigma_overall=0.407 worst_q_ratio=1.161
new1=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits sigma_overall=0.369 worst_q_ratio=1.123
new2=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits sigma_overall=0.372 worst_q_ratio=1.198
reference average sigma_overall=0.415 worst_q_ratio=1.154
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321_astrometric_residuals.png (4575 matched stars from wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.38 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322_astrometric_residuals.png (4581 matched stars from wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530_astrometric_residuals.png (2365 matched stars from wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531_astrometric_residuals.png (2360 matched stars from wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits'
Saving fully-calibrated image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits'
Preparing the HTML report for the field UMa-12-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field UMa-12-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
  
SExtractor catalog cache: saved UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.cat to cache
SExtractor catalog cache: saved UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Creating symlink local_wcs_cache/wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits exists and is non-empty
wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits exists and is non-empty
wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits exists and is non-empty
wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (1st reference image)
verification OK: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Image size: 941.7'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:54:33.431 +38:00:08.84 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits (1st new image)
verification OK: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Image size: 941.1'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 10:54:41.080 +38:01:25.56 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 10:54:33.431 +38:00:08.84
Second-epoch image center 10:54:41.080 +38:01:25.56
Angular distance between the image centers 0.0329 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits (2nd new image)
verification OK: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Image size: 941.0'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 10:54:38.969 +38:02:06.04 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 10:54:33.431 +38:00:08.84
Second-epoch image center 10:54:38.969 +38:02:06.04
Angular distance between the image centers 0.0373 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  10:54:41.080 +38:01:25.56
Second-epoch second image center 10:54:38.969 +38:02:06.04
Angular distance between the image centers 0.01321 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits &> /tmp/tmp.kVNMNbu2lM
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits &> /tmp/tmp.PaSnvDUoXc
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits &> /tmp/tmp.Nm1O8i5sOc
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits &> /tmp/tmp.DGPs0l13qR
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
Found non-empty wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits and wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat
The reference image (wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits) and catalog (wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat) found
'wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat' -> 'wcsmag.cat'
Read 32607 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6840 to 173.9617 deg, Dec +32.0112 to +43.3821 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 152.6840 to 173.9617 deg, Dec 32.0112 to 43.3821 deg
Loaded 4615 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): 3057 out of 3387 total matches.
Matched with Tycho-2 3387 out of 32607 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.817900
a=0.000000 b=1.000000 c=22.817900
From vast_summary.log: estimated ref. image limiting mag.:  -6.91
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.91

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.91

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 32607 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6840 to 173.9617 deg, Dec +32.0112 to +43.3821 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 152.6840 to 173.9617 deg, Dec 32.0112 to 43.3821 deg
Loaded 4615 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): 3057 out of 3387 total matches.
Matched with Tycho-2 3387 out of 32607 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Forced-photometry filter: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits -> calib.txt_param_ref_wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (aperture=5.0)
Read 32478 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 152.6839 to 173.9691 deg, Dec +32.0184 to +43.3832 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 152.6839 to 173.9691 deg, Dec 32.0184 to 43.3832 deg
Loaded 4612 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): 3065 out of 3387 total matches.
Matched with Tycho-2 3387 out of 32478 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Forced-photometry filter: calibrated wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits -> calib.txt_param_ref_wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits (aperture=5.0)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 10 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
 2.1 pix  UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
 2.3 pix  fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
 2.2 pix  fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Limiting magnitude estimates:
 15.9 mag.  UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
 15.9 mag.  UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
 14.7 mag.  fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
 14.7 mag.  fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
All-image limiting magnitude estimate:  14.7 (SNR )  14.0 (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.kVNMNbu2lM (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits' -> 'wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS_IMAGE_NAME=wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS-calibrated image found: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
Checking if the catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits alredy exist and is non-empty...
Catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits
WCS catalog name: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.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=1402, bad_region=6091, passed=32587
Got 32587 stars (including 25343 good ones) from the SExtractor catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat 
util/solve_plate_with_UCAC5 got 32587 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4815 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 4813 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 27859 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4814 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 27859 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 27859 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4812 stars left (next iteration limit 5294)
Stop iterations.


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

SIP_REFIT: wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.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_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits N_match=4812 sigma_overall_arcsec=0.409 sigma_q1_arcsec=0.464 sigma_q2_arcsec=0.443 sigma_q3_arcsec=0.364 sigma_q4_arcsec=0.374 n_q1=1511 n_q2=814 n_q3=1607 n_q4=880 worst_quadrant_to_overall_ratio=1.133
WCS_HEADER_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits selection=current_pairs N_selected=4812 N_valid=4812 bias_ra_arcsec=0.004 bias_dec_arcsec=-0.006 median_sep_arcsec=0.340 p95_sep_arcsec=0.795 n_q1=1511 n_q2=814 n_q3=1607 n_q4=880 occupied_cells_4x4=16/16
The image catalog is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits -region wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.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.PaSnvDUoXc (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits' -> 'wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS_IMAGE_NAME=wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS-calibrated image found: wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
Checking if the catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits alredy exist and is non-empty...
Catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat corresponding to the image wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits
WCS catalog name: wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.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=13, blended=1361, bad_region=6062, passed=32465
Got 32465 stars (including 25282 good ones) from the SExtractor catalog wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat 
util/solve_plate_with_UCAC5 got 32465 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010464 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4816 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 4813 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 27761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 610 to 668 (Dec 32.0 to 43.4)
Done reading UCAC5 zone files...
Matched 4816 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 27761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4813 matched stars entering correct_measured_positions(), 27761 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4813 stars left (next iteration limit 5294)
Stop iterations.


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

SIP_REFIT: wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.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_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits N_match=4813 sigma_overall_arcsec=0.388 sigma_q1_arcsec=0.453 sigma_q2_arcsec=0.416 sigma_q3_arcsec=0.345 sigma_q4_arcsec=0.362 n_q1=1492 n_q2=823 n_q3=1617 n_q4=881 worst_quadrant_to_overall_ratio=1.166
WCS_HEADER_DIAG: file=UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits selection=current_pairs N_selected=4813 N_valid=4813 bias_ra_arcsec=0.002 bias_dec_arcsec=-0.006 median_sep_arcsec=0.326 p95_sep_arcsec=0.767 n_q1=1492 n_q2=823 n_q3=1617 n_q4=881 occupied_cells_4x4=16/16
The image catalog is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits -region wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.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.Nm1O8i5sOc (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS_IMAGE_NAME=wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS-calibrated image found: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Checking if the catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
WCS catalog name: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=4, blended=523, bad_region=2134, passed=16957
Got 16957 stars (including 14408 good ones) from the SExtractor catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat 
util/solve_plate_with_UCAC5 got 16957 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.1'
Seting catalog search parameters based on the expected field of view 941.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013071 (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 0.010457 (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 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 4749 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4738 matched stars entering correct_measured_positions(), 4739 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4738 matched stars entering correct_measured_positions(), 15370 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 

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 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 4750 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4740 matched stars entering correct_measured_positions(), 15370 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 4740 matched stars entering correct_measured_positions(), 15370 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4740 stars left (next iteration limit 5211)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.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=4740 robust_rms=6.710 arcsec worst_region_rms=9.968 arcsec outer_annulus_rms=9.968 arcsec
SIP_REFIT: SIP order 3 trial: matched=4740 robust_rms=0.513 arcsec worst_region_rms=0.635 arcsec outer_annulus_rms=0.609 arcsec
SIP_REFIT: SIP order 5 trial: matched=4740 robust_rms=0.430 arcsec worst_region_rms=0.546 arcsec outer_annulus_rms=0.519 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4740 robust_rms_before=1.741 arcsec robust_rms_before_corrected=0.392 arcsec robust_rms_after=0.430 arcsec worst_region_rms_before=0.536 worst_region_rms_after=0.546 outer_annulus_rms_before=1.614 outer_annulus_rms_after=0.519
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.536 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits worst_region_rms_kept=0.536 arcsec robust_rms_kept=0.392 arcsec matched=4740
WCS_QUALITY_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits N_match=4740 sigma_overall_arcsec=0.391 sigma_q1_arcsec=0.386 sigma_q2_arcsec=0.438 sigma_q3_arcsec=0.377 sigma_q4_arcsec=0.397 n_q1=1531 n_q2=662 n_q3=1726 n_q4=821 worst_quadrant_to_overall_ratio=1.121
WCS_HEADER_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits selection=current_pairs N_selected=4740 N_valid=4740 bias_ra_arcsec=0.556 bias_dec_arcsec=0.623 median_sep_arcsec=1.562 p95_sep_arcsec=3.175 n_q1=1531 n_q2=662 n_q3=1726 n_q4=821 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits -region wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.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.DGPs0l13qR (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS_IMAGE_NAME=wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS-calibrated image found: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Checking if the catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat corresponding to the image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
WCS catalog name: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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=7, blended=505, bad_region=2135, passed=17165
Got 17165 stars (including 14597 good ones) from the SExtractor catalog wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat 
util/solve_plate_with_UCAC5 got 17165 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.0'
Seting catalog search parameters based on the expected field of view 941.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013069 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010456 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 4742 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4737 matched stars entering correct_measured_positions(), 4737 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4737 matched stars entering correct_measured_positions(), 15576 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.3 to 43.3)
Done reading UCAC5 zone files...
Matched 4742 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4737 matched stars entering correct_measured_positions(), 15576 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 4737 matched stars entering correct_measured_positions(), 15576 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4737 stars left (next iteration limit 5210)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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=4737 robust_rms=6.706 arcsec worst_region_rms=9.921 arcsec outer_annulus_rms=9.921 arcsec
SIP_REFIT: SIP order 3 trial: matched=4737 robust_rms=0.548 arcsec worst_region_rms=0.620 arcsec outer_annulus_rms=0.620 arcsec
SIP_REFIT: SIP order 5 trial: matched=4737 robust_rms=0.437 arcsec worst_region_rms=0.550 arcsec outer_annulus_rms=0.527 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4737 robust_rms_before=1.626 arcsec robust_rms_before_corrected=0.390 arcsec robust_rms_after=0.437 arcsec worst_region_rms_before=0.529 worst_region_rms_after=0.550 outer_annulus_rms_before=1.633 outer_annulus_rms_after=0.527
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.529 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits worst_region_rms_kept=0.529 arcsec robust_rms_kept=0.390 arcsec matched=4737
WCS_QUALITY_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits N_match=4737 sigma_overall_arcsec=0.387 sigma_q1_arcsec=0.389 sigma_q2_arcsec=0.414 sigma_q3_arcsec=0.378 sigma_q4_arcsec=0.390 n_q1=1532 n_q2=665 n_q3=1717 n_q4=823 worst_quadrant_to_overall_ratio=1.068
WCS_HEADER_DIAG: file=fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits selection=current_pairs N_selected=4737 N_valid=4737 bias_ra_arcsec=0.564 bias_dec_arcsec=0.653 median_sep_arcsec=1.481 p95_sep_arcsec=2.905 n_q1=1532 n_q2=665 n_q3=1717 n_q4=823 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits -region wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.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_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Saving fully-calibrated image wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/wcs_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits
Preparing the HTML report for the field UMa-12-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits at 10:52:38.55 +34:44:57.2:  13.73 +/- 0.03  detection
Forced photometry on wcs_UMa-12-Q2b1x1_2026-02-22_01-13-28_20.00sec_-15.00C_LIGHT_0321.fits at 10:37:30.40 +34:45:49.5:  13.04 +/- 0.02  detection
Forced photometry on wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits at 10:52:38.55 +34:44:57.2:  13.74 +/- 0.03  detection
Forced photometry on wcs_UMa-12-Q2b1x1_2026-02-22_01-14-24_20.00sec_-15.00C_LIGHT_0322.fits at 10:37:30.40 +34:45:49.5:  13.04 +/- 0.02  detection
Forced photometry reference-image weighted average:  13.73 +/- 0.02
Forced photometry reference-image weighted average:  13.04 +/- 0.01
Forced photometry filter REJECTED candidate at 10:52:38.55 +34:44:57.2: ref_mag=13.73 +/- 0.02 new_mean_mag=13.6595 delta=0.07 (need > 0.90)
Forced photometry filter REJECTED candidate at 10:37:30.40 +34:45:49.5: ref_mag=13.04 +/- 0.01 new_mean_mag=13.0795 delta=-0.04 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 1s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 1s
  
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Considering the candidate 51721_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51721_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 1     2026 10 21.38604    2461334.88604    13.73    10:52:38.56 +34:44:57.0   4483 1223   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Discovery image 2     2026 10 21.38670    2461334.88670    13.61    10:52:38.54 +34:44:57.5   4487 1216   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

  
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Considering the candidate 51860_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51860_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    12.61    11:00:22.76 +38:15:24.2   5470 3318   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  11:00:22.76 +38:15:23.9 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 51873_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51873_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    12.78    10:56:20.83 +42:01:24.4   5043 5603   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  10:56:20.85 +42:01:24.4 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 51915_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51915_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 1     2026 10 21.38604    2461334.88604    13.10    10:37:30.39 +34:45:49.5   2604 1320   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-15-43_20.00sec_-0.00C_LIGHT_0530.fits
Discovery image 2     2026 10 21.38670    2461334.88670    13.06    10:37:30.42 +34:45:49.6   2608 1313   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

  
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Considering the candidate 51940_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51940_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    13.09    11:04:27.32 +38:12:31.5   5953 3288   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  11:04:27.35 +38:12:32.1 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 51970_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51970_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    13.36    10:59:30.78 +40:27:55.5   5386 4654   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  10:59:30.84 +40:27:55.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 51999_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 51999_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    13.47    10:45:59.13 +39:30:04.7   3805 4117   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  10:45:59.13 +39:30:04.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52017_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 52017_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    13.55    10:40:54.08 +41:31:15.8   3289 5372   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  10:40:54.01 +41:31:16.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52088_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 52088_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 2     2026 10 21.38670    2461334.88670    13.70    10:34:31.93 +34:41:33.6   2234 1296   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

**** FOUND  10:34:31.92 +34:41:34.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 29921_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531
The candidate 29921_fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531 did not pass the final checks
Discovery image 3     2026 10 21.38670    2461334.88670    12.90    11:11:45.05 +40:27:19.1   6793 4659   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_UMa-12-Q2b1x1_044804_TTUQ2b1x1_1899471_cg52nPpp/fd_UMa-12-Q2b1x1_2026-10-21_04-16-41_20.00sec_-0.00C_LIGHT_0531.fits

Rejecting candidate due to large distance (45.9") between the two second-epoch detections
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 2s
Prepared the HTML report for the field UMa-12-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed UMa-12-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)2461334.88603547 -observatory V36
15:06:54.62 -20:48:45.8 Mercury (0.2mag)
13:49:27.06 -18:40:59.5 Venus (-4.3mag)
09:02:25.67 +18:18:59.0 Mars (1.0mag)
09:40:25.41 +14:37:14.5 Jupiter (-2.0mag)
00:39:39.27 +01:19:41.0 Saturn (0.4mag)
04:10:54.60 +20:54:58.9 Uranus (5.6mag)
00:09:24.35 -00:31:35.8 Neptune (7.7mag)
20:24:10.61 -23:43:05.7 Pluto (14.5mag)
21:57:01.97 -12:39:43.0 Moon (-11.1mag)
-rw-r--r-- 1 apache apache 362 Oct 21 04:51 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461334.88603547:
09:40:31.54 +14:36:40.7 Io (6.1mag)
09:40:24.67 +14:37:17.7 Europa (6.2mag)
09:40:20.37 +14:37:43.6 Ganymede (5.5mag)
09:40:39.16 +14:36:00.0 Callisto (6.8mag)
09:40:55.13 +14:54:07.2 Himalia (15.6mag)
09:40:23.96 +14:37:22.4 Thebe (16.4mag)
09:39:29.01 +15:00:52.0 Elara (17.5mag)
09:42:11.37 +14:01:16.5 Pasiphae (17.8mag)
09:38:19.35 +15:06:40.7 Carme (18.8mag)
00:39:50.27 +01:19:35.0 Titan (8.2mag)
00:39:35.62 +01:19:45.1 Rhea (9.6mag)
00:39:35.54 +01:17:42.3 Iapetus (11.0mag)
00:39:55.17 +01:19:19.6 Hyperion (14.1mag)
00:37:54.64 +01:07:15.9 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct 21 04:51 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461334.88603547:
03:44:24.95 +20:15:21.9 JWST
15:52:35.13 +49:38:43.3 Chandra
13:30:14.19 -62:15:39.6 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct 21 04:51 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461334.88603547 -observatory V36
03:42:03.18 +20:10:05.4 17.1mag P/1996 R2 (Lagerkvist)
07:41:14.11 +37:30:59.1 18.0mag P/2004 V5 (LINEAR-Hill)
07:41:19.10 +37:30:46.5 18.0mag P/2004 V5-A (LINEAR-Hill)
07:40:40.16 +37:30:58.6 18.0mag P/2004 V5-B (LINEAR-Hill)
05:02:18.08 +40:57:42.6 18.0mag P/2009 Y2 (Kowalski)
18:34:11.93 -33:14:48.1 14.9mag P/2010 H2 (Vales)
07:43:10.32 -73:03:41.1 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:14:24.13 +34:56:27.6 17.7mag C/2017 K2 (PANSTARRS)
04:42:22.89 +48:14:25.5 17.5mag P/2021 N1 (ZTF)
07:33:26.96 +25:22:42.0 16.9mag C/2022 N2 (PANSTARRS)
09:05:55.33 +36:48:13.6 16.3mag C/2024 E1 (Wierzchos)
18:29:55.75 +41:08:34.6 17.4mag C/2024 J3 (ATLAS)
05:45:56.13 -13:39:56.5 16.5mag C/2024 T5 (ATLAS)
12:36:08.58 +15:10:53.8 16.0mag C/2025 V2 (Rankin)
14:01:16.62 -03:32:52.3 16.4mag C/2025 Y1 (ATLAS)
19:23:38.49 +60:41:27.3 15.6mag C/2026 A2 (Bok)
02:24:46.39 +41:41:13.5 18.0mag C/2026 B2 (Sun-Gao)
12:55:15.03 +15:20:04.1 17.7mag A/2026 E1
16:24:55.23 -50:44:36.7 13.5mag P/2026 R2 (Leonard)
19:22:12.87 -05:04:47.4 14.7mag P/2026 T1 (ATLAS)
00:01:29.31 +17:12:13.5 17.2mag 2P/Encke
23:09:47.72 -29:18:19.1 14.9mag 10P/Tempel
02:24:06.97 +36:15:27.3 16.5mag 11P/Tempel-Swift-LINEAR
12:17:51.36 -08:58:44.9 16.3mag 29P/Schwassmann-Wachmann
00:16:30.22 -09:04:19.4 15.7mag 65P/Gunn
07:47:58.46 +14:56:24.1 13.9mag 78P/Gehrels
02:49:20.04 +13:48:33.5 17.8mag 88P/Howell
08:15:05.72 +42:55:49.3 17.0mag 112P/Urata-Niijima
09:25:01.73 +10:30:02.3 17.7mag 114P/Wiseman-Skiff
12:01:17.70 +10:58:39.0 14.8mag 123P/West-Hartley
14:32:19.74 -34:56:16.5 17.9mag 124P/Mrkos
20:33:31.19 +09:49:51.5 9.8mag 161P/Hartley-IRAS
10:43:01.94 -00:35:02.6 15.2mag 169P/NEAT
03:22:29.81 +03:23:55.5 15.0mag 220P/McNaught
06:15:54.37 +47:19:28.3 15.5mag 260P/McNaught
07:41:22.73 +25:21:46.5 17.8mag 266P/Christensen
-rw-r--r-- 1 apache apache 1.8K Oct 21 04:51 comets.txt
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List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
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
00:02:34.07 +52:55:19.10  ASASSN-26ff  2026-09-16.43 15.37
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
22:37:05.59 +34:24:35.70  SN2026aaiv  2026-09-7.22 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
18:25:12.74 -22:25:28.60  V8055  2026-08-30.22 10.89
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
-rw-r--r-- 1 apache apache 5.7K Oct 21 04:51 asassn_transients_list.txt
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Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
00:38:15.01 +41:14:47.2  TCP J00381501+4114472  2026-10-08.5978  17.72Cmag
01:06:05.83 +09:51:20.4  TCP J01060583+0951204  2026-10-10.8543  14.54Cmag
17:54:18.76 -27:36:36.2  TCP J17541876-2736362  2026-10-12.3993  10.8mag
09:56:00.79 +69:06:15.2  PNV J09560079+6906152  2026-10-14.9274  19.38Cmag
00:43:30.83 +41:26:55.3  PNV J00433083+4126553  2026-10-17.5651  18.61Cmag
04:57:32.08 +30:15:41.6  TCP J04573208+3015416  2026-10-17.7818  18.21Cmag
05:21:07.64 +23:38:21.3  TCP J05210764+2338213  2026-10-18.4020  10.3mag
05:34:11.01 +28:45:30.5  TCP J05341101+2845305  2026-10-18.3604  16.6mag
-rw-r--r-- 1 apache apache 191K Oct 21 04:51 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
02:09:52.224 -08:48:09.60  AT 2026adzc  2026-09-15.53 21.23
18:14:27.533 -43:53:07.24  AT 2026adzb  2026-09-30.75 18.492
22:29:47.464 +07:56:40.45  AT 2026adza  2026-10-01.91 19.78
19:20:46.432 +37:30:41.15  AT 2026adyz  2026-10-02.13 20.0152
19:29:41.380 +69:19:55.73  AT 2026adyy  2026-09-30.16 19.9328
05:22:55.168 -15:31:54.20  AT 2026adyx  2026-09-18.72 20.18
21:27:33.943 +12:42:19.33  AT 2026adyw  2026-09-29.86 19.66
18:31:16.780 -79:53:43.46  AT 2026adyv  2026-09-30.81 19.144
01:37:35.858 +06:59:53.91  AT 2026adyu  2026-10-01.59 19.03
20:43:20.221 -11:48:24.18  AT 2026adyt  2026-09-30.90 18.842
07:31:13.389 +29:28:56.87  AT 2026adys  2026-10-02.22 19.2
03:07:09.244 +20:57:58.91  SN 2026adyr  2026-10-02.25 18.34
23:12:33.937 -06:53:55.14  AT 2026adyq  2026-10-01.00 19.408
07:57:37.025 +37:54:49.27  SN 2026adyp  2026-10-02.18 18.628
16:33:54.937 +20:21:19.93  AT 2026adyo  2026-10-01.22 18.471
15:12:55.339 +35:26:19.35  AT 2026adyn  2026-10-02.22 18.803
22:27:56.363 +38:36:11.47  AT 2026adym  2026-09-15.32 20.54
01:57:30.981 -22:32:19.78  AT 2026adyl  2026-09-05.53 20.9
18:00:55.941 +52:22:30.66  AT 2026adyk  2026-09-05.27 20.6
03:26:38.818 -27:16:41.69  AT 2026adyj  2026-09-05.59 21.1
-rw-r--r-- 1 apache apache 89K Oct 21 04:51 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Wed Oct 21 04:51:00 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 25s (0.42 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 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: 1s (0.02 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 38s (0.63 min)
TIMING SExtractor: 6 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 10s (0.17 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 0s (0.00 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 9s (0.15 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 2s (0.03 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 22s (0.37 min)
FIELD_UMa-12-Q2b1x1: 73s (1.22 min)
=======================================
TOTAL_RUNTIME: 76s (1.27 min)
Finished: Wed Oct 21 04:52:16 CDT 2026