FITS images used in this processing run:

Field UMa-01-Q1b1x1 reference image: UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Field UMa-01-Q1b1x1 reference image: UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Field UMa-01-Q1b1x1 second-epoch image: UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Field UMa-01-Q1b1x1 second-epoch image: UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
First image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Last  image: 2461252.73787900 31.07.2026 05:42:22.746   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 3
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.53
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 5 seconds
Number of parallel threads: 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):  8429
Objects passed selection criteria:  8393
Measurements per detected object (mean, median, min, max):    2.5    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.5    2.0    2    4
Average stars detected per image: 5602.75
Average stars matched: 5444.5 (97.1755 %)
Memory usage VmPeak:   234540 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Jul 29 18:03:05 CDT 2026
VaST build number  1.0rc89-187-gf9db235a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-29)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Jul 31 00:48:12 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: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
First image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Last  image: 2461252.73787900 31.07.2026 05:42:22.746   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 20
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.25
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 12 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  48258
Objects passed selection criteria:  48101
Measurements per detected object (mean, median, min, max):    2.6    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.6    2.0    2    4
Average stars detected per image: 33095.5
Average stars matched: 31984.5 (96.643 %)
Memory usage VmPeak:   269968 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Jul 29 18:03:05 CDT 2026
VaST build number  1.0rc89-187-gf9db235a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-29)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Jul 31 00:49:09 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-1 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ1b1x1/TTUQ1_bad_region.lst
CAMERA_SETTINGS= TTUQ1b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ1b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ1.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/TTUQ1b1x1/flats
FRAME_EDGE_OFFSET_PIX= 100
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
UMa-01-Q1b1x1
#######################################
########### Starting UMa-01-Q1b1x1 ###########
Processing UMa-01-Q1b1x1
server tau has sufficient free disk space available: 1088039 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 1088039 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.png' -> 'transient_report/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits_preview.png'

UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits


renamed 'UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.png' -> 'transient_report/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits_preview.png'

UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.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= 533.1221
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 561.4736
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 4909.1066
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1124.8404
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 4916.2310
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1126.7461
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 9.20822
INFO:                  SECOND_EPOCH__SD_ratio= 0.002
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     30.2999992370605 / [degC] Focuser temperature
AMBTEMP =                 28.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-07-31T00:41:37.0261336' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-31T05:41:37.0261336' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61252.2372340974 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-31T05:41:46.9289718' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61252.2373487037 / 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-33d3d743814b8b447' / 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-TTU1'       / 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      =     143.999788728228 / [deg] RA of telescope" status=0
Record 32: "DEC     =     69.9998418021476 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     16.2347222222222 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     349.002777777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.53522258546744 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [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-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 36 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+70 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  =                29501 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29501 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     30.2999992370605 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     30.2999992370605 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 14.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 41.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               900.31 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 28.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 21.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.600608 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/d_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits :)

Spent 0.875087 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-07-26.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/d_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33257.220075
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits :)


No overscan detected - all values seem high! (left_median=21556.5, right_median=24803.0)
renamed 'mff_TTUQ1b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     30.2999992370605 / [degC] Focuser temperature
AMBTEMP =                 28.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-07-31T00:42:22.7468991' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-31T05:42:22.7468991' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61252.2377632638 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-31T05:42:32.6471473' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61252.2378778588 / 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-33d3d743814b8b447' / 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-TTU1'       / 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      =     143.999788719812 / [deg] RA of telescope" status=0
Record 32: "DEC     =      69.999841840085 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     16.2044444444444 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     349.063611111111 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.54148462869471 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [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-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 36 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+70 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  =                29501 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29501 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     30.2999992370605 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     30.2999992370605 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 14.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 41.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               900.31 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 28.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 21.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.600608 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-07-26.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/d_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits :)

Spent 0.703493 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-07-26.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/d_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33257.220075
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits :)


No overscan detected - all values seem high! (left_median=21556.5, right_median=24803.0)
renamed 'mff_TTUQ1b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits



fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits




Updating neverexclude_list.txt
'/var/www/nmw_calibration/neverexclude_list.txt' -> './neverexclude_list.txt'
Choosing bad regions list
'/var/www/nmw_calibration/TTUQ1b1x1/TTUQ1_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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
  
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.cat to cache
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461252.73734984
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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits exists and is non-empty
Saving wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits to local_wcs_cache/
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits'
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits exists and is non-empty
Saving wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits to local_wcs_cache/
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits'
wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits exists and is non-empty
Saving wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits to local_wcs_cache/
'wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits' -> 'local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits'
wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits exists and is non-empty
Saving wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits to local_wcs_cache/
'wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits' -> 'local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits'
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (1st reference image)
verification OK: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Image size: 941.5'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:36:20.400 +69:59:16.84 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-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits (1st new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Image size: 941.3'x627.6'  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: 09:36:26.040 +69:59:21.65 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:36:20.400 +69:59:16.84
Second-epoch image center 09:36:26.040 +69:59:21.65
Angular distance between the image centers 0.0082 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits (2nd new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Image size: 941.3'x627.6'  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: 09:36:24.553 +69:59:02.88 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:36:20.400 +69:59:16.84
Second-epoch image center 09:36:24.553 +69:59:02.88
Angular distance between the image centers 0.0071 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  09:36:26.040 +69:59:21.65
Second-epoch second image center 09:36:24.553 +69:59:02.88
Angular distance between the image centers 0.00563 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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits &> /tmp/tmp.pyBS7oikRQ
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits &> /tmp/tmp.3AoIaw0m8C
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits &> /tmp/tmp.LgTLS8kCVR
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits &> /tmp/tmp.sMlWStYC3R
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat
The reference image (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits) and catalog (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat) found
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat' -> 'wcsmag.cat'
Read 8779 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0365 to 171.9949 deg, Dec +62.9088 to +75.4797 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 117.0365 to 171.9949 deg, Dec 62.9088 to 75.4797 deg
Loaded 9303 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): 5118 out of 5414 total matches.
Matched with Tycho-2 5414 out of 8779 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.870000
a=0.000000 b=1.000000 c=22.870000
From vast_summary.log: estimated ref. image limiting mag.:  -7.53
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.34

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.34

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 8779 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0365 to 171.9949 deg, Dec +62.9088 to +75.4797 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 117.0365 to 171.9949 deg, Dec 62.9088 to 75.4797 deg
Loaded 9303 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): 5118 out of 5414 total matches.
Matched with Tycho-2 5414 out of 8779 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (aperture=6.1)
Read 8894 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0365 to 171.9944 deg, Dec +62.9087 to +75.4796 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 117.0365 to 171.9944 deg, Dec 62.9087 to 75.4796 deg
Loaded 9303 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): 5136 out of 5418 total matches.
Matched with Tycho-2 5418 out of 8894 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (aperture=6.1)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 3 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 2.1 pix  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 2.6 pix  fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
 2.6 pix  fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Limiting magnitude estimates:
 15.3 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 15.4 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 13.1 mag.  fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
 13.1 mag.  fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
All-image limiting magnitude estimate:  13.1 (SNR )  10.7 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.pyBS7oikRQ (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=680, bad_region=0, passed=8779
Got 8779 stars (including 8092 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
util/solve_plate_with_UCAC5 got 8779 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4888 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 4884 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 

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 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4888 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4884 stars left (next iteration limit 5372)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits N_match=4884 sigma_overall_arcsec=0.371 sigma_q1_arcsec=0.508 sigma_q2_arcsec=0.347 sigma_q3_arcsec=0.381 sigma_q4_arcsec=0.303 n_q1=1066 n_q2=1443 n_q3=1094 n_q4=1281 worst_quadrant_to_overall_ratio=1.369
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.3AoIaw0m8C (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=664, bad_region=0, passed=8894
Got 8894 stars (including 8220 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
util/solve_plate_with_UCAC5 got 8894 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 4885 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 

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 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4885 stars left (next iteration limit 5373)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits N_match=4885 sigma_overall_arcsec=0.370 sigma_q1_arcsec=0.493 sigma_q2_arcsec=0.353 sigma_q3_arcsec=0.368 sigma_q4_arcsec=0.308 n_q1=1065 n_q2=1432 n_q3=1116 n_q4=1272 worst_quadrant_to_overall_ratio=1.334
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.LgTLS8kCVR (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=213, bad_region=0, passed=2452
Got 2452 stars (including 2234 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat 
util/solve_plate_with_UCAC5 got 2452 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 767 to 828 (Dec 63.5 to 75.3)
Done reading UCAC5 zone files...
Matched 2171 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2168 matched stars entering correct_measured_positions(), 2169 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2168 matched stars entering correct_measured_positions(), 2451 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 767 to 828 (Dec 63.5 to 75.3)
Done reading UCAC5 zone files...
Matched 2172 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2169 matched stars entering correct_measured_positions(), 2451 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 2169 matched stars entering correct_measured_positions(), 2451 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 2169 stars left (next iteration limit 2384)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2169 robust_rms=11.269 arcsec worst_quadrant_rms=12.440 arcsec
SIP_REFIT: SIP order 3 trial: matched=2169 robust_rms=0.505 arcsec worst_quadrant_rms=0.632 arcsec
SIP_REFIT: SIP order 5 trial: matched=2169 robust_rms=0.394 arcsec worst_quadrant_rms=0.499 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2169 robust_rms_before=0.946 arcsec robust_rms_before_corrected=0.389 arcsec robust_rms_after=0.394 arcsec worst_quadrant_rms_before=0.478 worst_quadrant_rms_after=0.499
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.478 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits N_match=2169 sigma_overall_arcsec=0.393 sigma_q1_arcsec=0.349 sigma_q2_arcsec=0.390 sigma_q3_arcsec=0.362 sigma_q4_arcsec=0.514 n_q1=574 n_q2=642 n_q3=494 n_q4=459 worst_quadrant_to_overall_ratio=1.308
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits -region wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.sMlWStYC3R (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=208, bad_region=0, passed=2449
Got 2449 stars (including 2238 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat 
util/solve_plate_with_UCAC5 got 2449 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 767 to 828 (Dec 63.5 to 75.3)
Done reading UCAC5 zone files...
Matched 2177 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2175 matched stars entering correct_measured_positions(), 2175 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2175 matched stars entering correct_measured_positions(), 2449 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 767 to 828 (Dec 63.5 to 75.3)
Done reading UCAC5 zone files...
Matched 2177 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2174 matched stars entering correct_measured_positions(), 2449 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 2174 matched stars entering correct_measured_positions(), 2448 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 2174 stars left (next iteration limit 2392)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2174 robust_rms=11.397 arcsec worst_quadrant_rms=13.902 arcsec
SIP_REFIT: SIP order 3 trial: matched=2174 robust_rms=0.522 arcsec worst_quadrant_rms=0.634 arcsec
SIP_REFIT: SIP order 5 trial: matched=2174 robust_rms=0.388 arcsec worst_quadrant_rms=0.460 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2174 robust_rms_before=0.956 arcsec robust_rms_before_corrected=0.388 arcsec robust_rms_after=0.388 arcsec worst_quadrant_rms_before=0.469 worst_quadrant_rms_after=0.460
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.469 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits N_match=2174 sigma_overall_arcsec=0.399 sigma_q1_arcsec=0.375 sigma_q2_arcsec=0.384 sigma_q3_arcsec=0.382 sigma_q4_arcsec=0.466 n_q1=574 n_q2=643 n_q3=493 n_q4=464 worst_quadrant_to_overall_ratio=1.167
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits -region wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits sigma_overall=0.371 worst_q_ratio=1.369
ref2=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits sigma_overall=0.370 worst_q_ratio=1.334
new1=fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits sigma_overall=0.393 worst_q_ratio=1.308
new2=fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits sigma_overall=0.399 worst_q_ratio=1.167
reference average sigma_overall=0.3705 worst_q_ratio=1.3515
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292_astrometric_residuals.png (4884 matched stars from wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.33 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293_astrometric_residuals.png (4885 matched stars from wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.33 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090_astrometric_residuals.png (2169 matched stars from wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091_astrometric_residuals.png (2174 matched stars from wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits'
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits'
Preparing the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
make_report_in_HTML.sh Phase 1 (network queries): 0s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 01412_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 01412_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    10.25    08:04:00.19 +73:24:29.0   8866 0602   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  08:04:00.19 +73:24:29.2 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 04047_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 04047_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    7.15    10:44:37.50 +68:46:32.3   1096 3187   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  10:44:37.54 +68:46:32.4 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 01377_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 01377_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    10.12    10:55:39.97 +71:52:06.2   1235 1235   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  10:55:39.94 +71:52:06.1 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 0s
Prepared the HTML report for the field UMa-01-Q1b1x1 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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
  
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.cat to cache
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Creating symlink local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Creating symlink local_wcs_cache/exclusion_list.txt
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits exists and is non-empty
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (1st reference image)
verification OK: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Image size: 941.5'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:36:20.400 +69:59:16.84 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-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits (1st new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Image size: 941.3'x627.6'  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: 09:36:26.040 +69:59:21.65 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:36:20.400 +69:59:16.84
Second-epoch image center 09:36:26.040 +69:59:21.65
Angular distance between the image centers 0.0082 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits (2nd new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Image size: 941.3'x627.6'  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: 09:36:24.553 +69:59:02.88 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:36:20.400 +69:59:16.84
Second-epoch image center 09:36:24.553 +69:59:02.88
Angular distance between the image centers 0.0071 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  09:36:26.040 +69:59:21.65
Second-epoch second image center 09:36:24.553 +69:59:02.88
Angular distance between the image centers 0.00563 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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits &> /tmp/tmp.oss7uvQ96S
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits &> /tmp/tmp.hmHoqsN4Xs
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits &> /tmp/tmp.R3JFzoEZFc
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits &> /tmp/tmp.nIk5tmgZHE
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat
The reference image (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits) and catalog (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat) found
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat' -> 'wcsmag.cat'
Read 51532 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.7773 to 172.6837 deg, Dec +62.8130 to +75.4851 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 116.7773 to 172.6837 deg, Dec 62.8130 to 75.4851 deg
Loaded 9545 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): 4868 out of 5492 total matches.
Matched with Tycho-2 5492 out of 51532 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.754250
a=0.000000 b=1.000000 c=22.754250
From vast_summary.log: estimated ref. image limiting mag.:  -7.25
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.50

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.50

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 51532 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.7773 to 172.6837 deg, Dec +62.8130 to +75.4851 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 116.7773 to 172.6837 deg, Dec 62.8130 to 75.4851 deg
Loaded 9545 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): 4868 out of 5492 total matches.
Matched with Tycho-2 5492 out of 51532 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (aperture=4.7)
Read 51887 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.7032 to 172.5255 deg, Dec +62.8134 to +75.4919 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 116.7032 to 172.5255 deg, Dec 62.8134 to 75.4919 deg
Loaded 9544 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): 4857 out of 5495 total matches.
Matched with Tycho-2 5495 out of 51887 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (aperture=4.7)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 19 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 1.9 pix  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 1.9 pix  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 2.5 pix  fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
 2.5 pix  fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Limiting magnitude estimates:
 15.5 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 15.5 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 13.5 mag.  fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
 13.5 mag.  fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
All-image limiting magnitude estimate:  13.5 (SNR )  13.0 (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.oss7uvQ96S (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=2624, bad_region=3, passed=51519
Got 51519 stars (including 48797 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
util/solve_plate_with_UCAC5 got 51519 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4895 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 4894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 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 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4895 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Excluding outliers - 4894 stars left (next iteration limit 5383)
Stop iterations.


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

SIP_REFIT: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits N_match=4894 sigma_overall_arcsec=0.355 sigma_q1_arcsec=0.498 sigma_q2_arcsec=0.333 sigma_q3_arcsec=0.362 sigma_q4_arcsec=0.292 n_q1=1073 n_q2=1412 n_q3=1115 n_q4=1294 worst_quadrant_to_overall_ratio=1.403
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.hmHoqsN4Xs (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.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-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=24, blended=2687, bad_region=5, passed=51863
Got 51863 stars (including 49074 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
util/solve_plate_with_UCAC5 got 51863 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4897 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 4896 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 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 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4897 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4896 stars left (next iteration limit 5385)
Stop iterations.


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

SIP_REFIT: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits N_match=4896 sigma_overall_arcsec=0.346 sigma_q1_arcsec=0.465 sigma_q2_arcsec=0.328 sigma_q3_arcsec=0.337 sigma_q4_arcsec=0.302 n_q1=1092 n_q2=1397 n_q3=1115 n_q4=1292 worst_quadrant_to_overall_ratio=1.345
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.R3JFzoEZFc (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=3, blended=352, bad_region=1, passed=14898
Got 14898 stars (including 14515 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat 
util/solve_plate_with_UCAC5 got 14898 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4882 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 4876 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 14898 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4882 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 14898 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 14898 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 4876 stars left (next iteration limit 5363)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits N_match=4876 sigma_overall_arcsec=0.424 sigma_q1_arcsec=0.377 sigma_q2_arcsec=0.426 sigma_q3_arcsec=0.421 sigma_q4_arcsec=0.496 n_q1=1288 n_q2=1471 n_q3=1088 n_q4=1029 worst_quadrant_to_overall_ratio=1.171
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits -region wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.nIk5tmgZHE (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 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=3, blended=354, bad_region=1, passed=14985
Got 14985 stars (including 14602 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat 
util/solve_plate_with_UCAC5 got 14985 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.3'
Seting catalog search parameters based on the expected field of view 941.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013074 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010459 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4885 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 4880 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 14985 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4885 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 14985 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 14985 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 4880 stars left (next iteration limit 5368)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits N_match=4880 sigma_overall_arcsec=0.428 sigma_q1_arcsec=0.388 sigma_q2_arcsec=0.418 sigma_q3_arcsec=0.427 sigma_q4_arcsec=0.507 n_q1=1295 n_q2=1471 n_q3=1091 n_q4=1023 worst_quadrant_to_overall_ratio=1.185
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits -region wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/wcs_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits
Preparing the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 09:57:49.31 +66:45:57.9:  12.62 +/- 0.02  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 09:57:49.31 +66:45:57.9:  12.63 +/- 0.02  detection
Forced photometry reference-image weighted average:  12.63 +/- 0.01
Forced photometry filter REJECTED candidate at 09:57:49.31 +66:45:57.9: ref_mag=12.63 +/- 0.01 new_mean_mag=12.4534 delta=0.17 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 1s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
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Considering the candidate 65332_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65332_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    13.70    09:41:03.78 +75:05:13.5   4798 0110   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (14.4") between the two second-epoch detections
  
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Considering the candidate 65335_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65335_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    10.93    10:01:20.63 +74:13:23.8   3929 0531   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  10:01:20.62 +74:13:23.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 65412_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65412_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    10.52    08:16:57.06 +71:46:21.5   8582 1727   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (17.7") between the two second-epoch detections
  
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Considering the candidate 65440_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65440_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    10.94    09:54:02.45 +67:59:20.0   3725 4297   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (21.3") between the two second-epoch detections
  
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Considering the candidate 65456_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65456_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    10.98    09:26:28.76 +66:04:11.6   5250 5569   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (20.7") between the two second-epoch detections
  
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Considering the candidate 65473_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65473_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.30    10:04:21.35 +67:22:02.8   3083 4578   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (21.9") between the two second-epoch detections
  
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Considering the candidate 65476_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65476_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.37    09:17:44.74 +72:29:28.3   5727 1708   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (19.1") between the two second-epoch detections
  
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Considering the candidate 65498_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65498_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.33    09:41:57.85 +65:27:53.6   4273 5886   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (21.8") between the two second-epoch detections
  
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Considering the candidate 65501_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65501_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.68    09:50:05.26 +73:06:24.2   4308 1267   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (20.0") between the two second-epoch detections
  
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Considering the candidate 65508_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65508_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.77    08:23:42.68 +72:20:18.9   8188 1476   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (17.5") between the two second-epoch detections
  
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Considering the candidate 65527_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65527_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    12.05    09:22:27.69 +74:54:30.7   5520 0248   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (19.0") between the two second-epoch detections
  
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Considering the candidate 65626_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65626_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    11.77    09:25:00.73 +66:18:57.2   5342 5422   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (20.6") between the two second-epoch detections
  
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Considering the candidate 65673_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65673_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    12.68    10:36:57.64 +68:17:34.7   1408 3598   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (22.9") between the two second-epoch detections
  
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Considering the candidate 65715_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65715_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 1     2026 07 31.23735    2461252.73735    12.39    09:57:49.27 +66:45:57.8   3404 5000   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-41-37_20.00sec_0.00C_LIGHTs_0090.fits
Discovery image 2     2026 07 31.23788    2461252.73788    12.54    09:57:49.36 +66:45:58.0   3403 4996   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

  
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Considering the candidate 65728_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65728_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    12.94    10:41:43.63 +70:48:06.3   1646 2079   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (22.2") between the two second-epoch detections
  
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Considering the candidate 65750_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 65750_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 2     2026 07 31.23788    2461252.73788    12.87    10:42:33.06 +68:18:02.4   1110 3496   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

Rejecting candidate due to large distance (22.4") between the two second-epoch detections
  
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Considering the candidate 08003_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 08003_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    10.21    08:04:00.15 +73:24:29.3   8866 0602   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  08:04:00.21 +73:24:29.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 07628_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 07628_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    10.54    10:55:39.81 +71:52:06.0   1235 1235   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  10:55:39.82 +71:52:06.2 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 23914_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091
The candidate 23914_fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091 did not pass the final checks
Discovery image 3     2026 07 31.23788    2461252.73788    7.30    10:44:37.41 +68:46:31.6   1096 3187   /data_ssd/NMW-TexasTech/workdir//img_2026-07-31_CI_UMa-01-Q1b1x1_004539_TTUQ1b1x1_4002881_bN6XC2um/fd_UMa-01-Q1b1x1_2026-07-31_00-42-22_20.00sec_-0.00C_LIGHTs_0091.fits

**** FOUND  10:44:37.49 +68:46:32.1 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed UMa-01-Q1b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ1.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)2461252.73734984 -observatory V36
07:19:02.96 +19:49:04.9 Mercury (0.5mag)
11:33:57.50 +02:51:42.7 Venus (-4.3mag)
05:25:55.38 +23:17:11.7 Mars (1.3mag)
08:35:42.81 +19:07:35.3 Jupiter (-1.8mag)
00:56:47.18 +03:20:01.9 Saturn (0.6mag)
04:10:42.91 +20:54:18.6 Uranus (5.8mag)
00:16:30.50 +00:16:11.5 Neptune (7.7mag)
20:28:54.81 -23:27:00.1 Pluto (14.4mag)
21:56:17.95 -13:40:40.7 Moon (-12.3mag)
-rw-r--r-- 1 apache apache 362 Jul 31 00:48 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461252.73734984:
08:35:42.34 +19:07:39.0 Io (6.0mag)
08:35:37.99 +19:07:56.6 Europa (6.3mag)
08:35:54.88 +19:06:48.0 Ganymede (5.5mag)
08:35:35.70 +19:08:01.4 Callisto (6.7mag)
08:33:27.12 +19:02:13.3 Himalia (15.7mag)
08:35:41.44 +19:07:41.5 Thebe (16.6mag)
08:32:53.86 +19:02:19.8 Elara (17.7mag)
08:39:44.38 +18:50:54.4 Pasiphae (17.9mag)
08:39:24.91 +19:16:12.0 Carme (19.0mag)
00:56:57.15 +03:19:35.3 Titan (8.5mag)
00:56:50.55 +03:20:03.7 Rhea (9.7mag)
00:56:33.89 +03:17:35.7 Iapetus (11.2mag)
00:56:58.08 +03:20:15.1 Hyperion (14.4mag)
00:56:20.05 +03:14:17.1 Phoebe (16.5mag)
-rw-r--r-- 1 apache apache 568 Jul 31 00:48 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461252.73734984:
18:34:13.01 -26:42:50.8 JWST
15:03:58.97 +54:27:06.6 Chandra
09:26:33.12 -53:21:42.5 XMM-Newton
-rw-r--r-- 1 apache apache 96 Jul 31 00:48 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461252.73734984 -observatory V36
03:04:12.70 +16:39:58.5 17.7mag P/1996 R2 (Lagerkvist)
18:04:45.05 -34:39:08.3 13.9mag P/2010 H2 (Vales)
06:46:14.07 -68:37:39.9 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:07:35.08 +32:49:47.7 17.7mag C/2017 K2 (PANSTARRS)
03:18:26.32 +33:21:33.7 16.4mag P/2021 N1 (ZTF)
22:45:03.09 +31:51:26.1 17.3mag C/2022 E2 (ATLAS)
06:35:19.85 +26:40:18.5 16.8mag C/2022 N2 (PANSTARRS)
10:14:12.68 +28:49:54.0 16.9mag C/2022 QE78 (ATLAS)
09:23:30.38 +05:15:55.7 17.9mag C/2022 R6 (PANSTARRS)
15:11:26.51 -11:59:24.2 17.8mag P/2023 B1 (PANSTARRS)
21:21:35.72 +66:46:34.8 17.9mag C/2023 H5 (Lemmon)
15:56:52.94 -12:10:46.1 14.2mag C/2023 R1 (PANSTARRS)
07:58:53.81 +30:59:17.1 15.1mag C/2024 E1 (Wierzchos)
15:08:35.78 +15:37:00.1 17.7mag C/2024 G6 (ATLAS)
19:13:31.84 +42:28:30.0 13.7mag C/2024 J3 (ATLAS)
21:22:11.54 +48:35:44.2 17.7mag C/2024 R4 (PANSTARRS)
05:08:31.35 -13:05:56.8 15.5mag C/2024 T5 (ATLAS)
06:50:46.93 +25:32:44.7 17.9mag C/2025 J1 (Borisov)
07:27:04.94 -15:05:38.7 17.4mag C/2025 R3 (PANSTARRS)
10:22:02.46 +21:23:19.1 17.4mag C/2025 V2 (Rankin)
12:53:36.87 +02:51:27.4 17.0mag C/2025 Y1 (ATLAS)
16:08:14.99 +78:30:14.1 17.0mag C/2026 A2 (Bok)
03:03:42.91 +45:59:42.9 17.0mag C/2026 B2 (Sun-Gao)
11:40:22.43 +07:38:22.9 17.2mag A/2026 E1
21:48:54.89 -23:48:54.3 6.9mag 10P/Tempel
11:24:17.90 -02:55:32.9 16.2mag 29P/Schwassmann-Wachmann
04:29:04.14 +31:41:41.6 17.9mag 47P/Ashbrook-Jackson
10:51:21.04 +07:15:21.6 17.2mag 63P/Wild
00:54:04.33 -05:12:28.9 15.5mag 65P/Gunn
05:17:10.22 +20:45:34.6 13.7mag 78P/Gehrels
20:45:08.63 -22:34:30.5 18.0mag 84P/Giclas
02:52:01.59 +13:01:39.4 16.6mag 88P/Howell
07:34:57.07 +28:40:27.9 16.0mag 93P/Lovas
03:44:21.93 +13:47:50.6 17.8mag 112P/Urata-Niijima
05:29:57.55 +30:58:48.4 16.4mag 114P/Wiseman-Skiff
08:59:25.46 +27:56:31.3 15.1mag 123P/West-Hartley
11:27:56.95 -07:10:08.0 17.0mag 124P/Mrkos
05:24:33.87 +21:10:28.9 16.1mag 128P/Shoemaker-Holt
06:14:35.92 +19:14:43.7 17.9mag 131P/Mueller
00:04:11.18 +03:25:19.5 17.7mag 139P/Vaisala-Oterma
08:22:45.02 +12:11:40.2 18.0mag 141P-D/Machholz
03:22:18.82 -20:00:15.3 14.4mag 161P/Hartley-IRAS
06:48:10.18 +37:12:55.5 15.7mag 162P/SidingSpring
17:12:34.04 +33:08:51.7 12.8mag 169P/NEAT
02:27:34.55 +09:16:24.1 17.6mag 220P/McNaught
16:38:07.44 -09:31:40.7 17.5mag 235P/LINEAR
20:28:13.42 -52:39:31.5 17.8mag 259P/Garradd
02:58:51.72 +21:42:12.0 15.4mag 260P/McNaught
06:41:05.97 +37:46:45.7 17.3mag 295P/LINEAR
15:08:18.25 +04:00:16.5 17.7mag 391P/Kowalski
08:53:35.05 +18:45:37.1 17.9mag 450P/LONEOS
08:23:51.72 +37:26:05.7 18.0mag 493P/LONEOS
-rw-r--r-- 1 apache apache 2.5K Jul 31 00:48 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
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
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
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-26eg  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.78 +32:04:21.30  AT2026ovz  2026-06-14.59 15.39
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:33.11 -68:48:32.90  ASASSN-26no  2026-05-24.03 8.35
19:00:42.82 -48:31:01.60  ASASSN-26dp  2026-05-22.31 -3.28
14:23:56.59 -58:37:47.40  ASASSN-26dn  2026-05-20.01 14.59
11:24:54.06 +47:57:01.60  AT2026nma  2026-05-20.29 15.46
21:27:08.58 +33:24:38.10  AT2026lli  2026-05-19.34 15.86
00:31:01.41 -13:38:51.70  AT2026nad  2026-05-19.39 15.34
15:16:06.61 -79:16:32.40  ASASSN-26dm  2026-05-19.03 14.44
11:24:25.21 -59:23:19.10  ASASSN-26dl  2026-05-18.02 13.55
13:45:51.52 -53:16:01.00  ASASSN-26dk  2026-05-18.16 12.96
02:05:49.69 -30:29:09.60  ASASSN-26dh  2026-05-18.43 15.37
17:50:22.87 -39:42:33.90  ASASSN-26dj  2026-05-17.05 15.7
01:13:11.60 -33:25:16.10  ASASSN-26dg  2026-05-13.41 16.8
16:44:31.77 -27:15:18.40  AT2026mhn  2026-05-12.33 15.8
09:46:31.08 -33:41:51.00  ASASSN-26di  2026-05-12.14 14.63
21:23:11.57 -19:09:45.00  AT2026kwu  2026-05-12.26 16.9
14:20:14.30 -30:20:51.90  AT2026ktm  2026-05-12.06 17.21
14:41:39.01 -37:13:46.40  AT2026lkm  2026-05-11.18 16.89
12:59:50.45 -10:58:38.80  SN2026kep  2026-05-9.06 17.5
13:37:29.61 -29:50:30.90  AT2026lkd  2026-05-9.09 17.23
09:46:42.01 -14:52:03.60  SN2026kmo  2026-05-8.99 17.51
15:03:05.28 +22:02:03.80  AT2026lxf  2026-05-8.34 13.72
10:23:49.41 -20:57:25.30  ASASSN-26df  2026-05-8.21 16.52
22:14:40.56 +05:04:51.60  2026lda  2026-05-7.56 16.2
21:35:33.81 -14:05:16.30  ASASSN-26de  2026-05-6.29 14.51
16:21:48.82 -61:36:13.20  ASASSN-26dd  2026-05-5.21 15.15
14:26:40.22 -24:48:37.50  AT2026lig  2026-05-4.27 14.63
13:17:51.04 +30:25:13.50  SN2026kcp  2026-05-4.46 16.43
11:27:55.57 -13:38:56.90  SN2026kza  2026-05-1.08 15.59
22:28:27.10 +30:17:54.30  SN 2026fov  2026-04-29.6 14.36
21:00:10.71 -32:17:03.90  AT2026kis  2026-04-27.36 16.15
14:32:57.37 -58:13:26.40  ASASSN-26dc  2026-04-27.27 13.42
-rw-r--r-- 1 apache apache 5.7K Jul 31 00:48 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:43:01.82 +41:18:16.6  PNV J00430182+4118166  2026-05-21.8651  18.83Cmag
00:42:51.20 +41:16:59.4  PNV J00425120+4116594  2022-10-26.135  19.3mag
12:24:25.10 +28:47:12.0  TCP J12242510+2847120  2026-05-31.6015  14.8mag
00:56:07.13 +43:01:40.6  TCP J00560713+4301406  2026-06-01.4135  12.2mag
00:42:41.64 +41:15:16.2  PNV J00424164+4115162  2026-06-02.029  17.4mag
00:42:38.68 +41:15:58.2  PNV J00423868+4115582  2026-06-05.1224  19.97Umag
19:00:42.95 -48:31:01.7  PNV J19004295-4831017  2026-05-25.0752  14.2mag
09:55:21.28 +69:02:52.6  PNV J09552128+6902526  2026-06-13.933  18.9mag
19:51:21.42 +37:06:40.0  TCP J19512142+3706400  2026-06-17.2942  16.8mag
19:57:03.87 +37:41:46.4  TCP J19570387+3741464  2026-06-18.2638  17.5mag
00:42:32.04 +41:10:28.3  PNV J00423204+4110283  2026-06-26.059  16.6mag
02:19:17.36 +28:57:15.8  TCP J02191736+2857158  2026-07-12.3549  12.5mag
00:44:56.43 +41:57:41.6  PNV J00445643+4157416  2026-07-13.8026  17.98Cmag
00:42:55.36 +41:17:27.0  PNV J00425536+4117270  2026-07-20.1813  17.7mag
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
-rw-r--r-- 1 apache apache 189K Jul 31 00:48 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
16:57:42.712 +33:53:19.16  AT 2026ufq  2026-06-23.44 21.35
14:50:28.888 +16:46:44.65  AT 2026ufp  2026-06-07.39 21.61
12:05:02.443 +29:13:02.68  AT 2026ufo  2026-05-30.37 20.05
09:09:53.671 -09:02:30.45  AT 2026ufn  2026-01-09.51 20.49
07:34:08.170 +30:47:08.44  AT 2026ufm  2026-01-14.35 21.46
14:03:30.403 -34:32:48.54  AT 2026ufl  2026-01-28.64 21.67
10:51:36.205 +30:09:26.04  AT 2026ufk  2026-02-17.36 21.09
13:32:58.187 +44:58:27.08  AT 2026ufj  2026-05-24.29 20.76
13:34:01.068 +38:05:47.39  AT 2026ufi  2026-03-05.53 19.25
13:20:40.408 +13:38:28.57  AT 2026ufh  2026-02-13.64 21.02
11:42:19.217 +49:34:10.35  AT 2026ufg  2026-01-14.61 21.3
14:36:24.931 -00:05:09.39  AT 2026uff  2026-02-13.64 22.04
13:22:52.301 -25:45:26.52  AT 2026ufe  2026-01-27.63 20.37
17:44:22.870 +20:32:02.80  AT 2026ufd  2026-06-06.52 20.9
11:12:24.116 +30:46:40.12  AT 2026ufc  2026-02-17.40 21.22
14:38:54.092 -15:00:33.88  AT 2026ufb  2026-06-16.29 21.19
07:13:08.736 +45:12:54.05  AT 2026ufa  2026-01-19.40 20.98
17:56:20.148 +22:48:23.34  AT 2026uez  2026-05-19.43 20.79
17:03:37.940 +40:54:46.91  AT 2026uey  2026-05-17.49 21.43
15:04:21.070 +07:14:23.81  AT 2026uex  2026-06-15.44 20.66
-rw-r--r-- 1 apache apache 88K Jul 31 00:48 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Fri Jul 31 00:47:39 CDT 2026
=======================================
TIMING SExtractor: 3 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 5s (0.08 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 34s (0.57 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 5s (0.08 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: 3s (0.05 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 48s (0.80 min)
TIMING SExtractor: 6 seconds
TIMING matching_and_photometry: 2 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 3 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 14s (0.23 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 9s (0.15 min)
    MAGCAL_SANITY_CHECK: 1s (0.02 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 27s (0.45 min)
FIELD_UMa-01-Q1b1x1: 98s (1.63 min)
=======================================
TOTAL_RUNTIME: 103s (1.72 min)
Finished: Fri Jul 31 00:49:22 CDT 2026