FITS images used in this processing run:

Field UMa-10-Q1b1x1 reference image: UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Field UMa-10-Q1b1x1 reference image: UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Field UMa-10-Q1b1x1 second-epoch image: UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Field UMa-10-Q1b1x1 second-epoch image: UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.78748612 22.02.2026 06:53:48.801   /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
First image: 2461093.78748612 22.02.2026 06:53:48.801   /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Last  image: 2461292.97732080 09.09.2026 11:27:10.517   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.46
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: 2 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):  6062
Objects passed selection criteria:  6051
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: 4057.5
Average stars matched: 3951.25 (97.3814 %)
Memory usage VmPeak:   232776 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Sep  2 15:05:04 CDT 2026
VaST build number  1.0rc89-201-ga7d4d23b
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-02)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Sep  9 06:31:24 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.78748612 22.02.2026 06:53:48.801   /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
First image: 2461093.78748612 22.02.2026 06:53:48.801   /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Last  image: 2461292.97732080 09.09.2026 11:27:10.517   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 19
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.20
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 10 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):  28638
Objects passed selection criteria:  28544
Measurements per detected object (mean, median, min, max):    2.7    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.7    2.0    2    4
Average stars detected per image: 21188.2
Average stars matched: 20362.8 (96.104 %)
Memory usage VmPeak:   256388 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Sep  2 15:05:04 CDT 2026
VaST build number  1.0rc89-201-ga7d4d23b
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-02)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Sep  9 06:32:06 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-10-Q1b1x1
#######################################
########### Starting UMa-10-Q1b1x1 ###########
Processing UMa-10-Q1b1x1
server tau has sufficient free disk space available: 343761 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 343761 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.png' -> 'transient_report/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits_preview.png'

UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits


renamed 'UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.png' -> 'transient_report/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits_preview.png'

UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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= 431.5825
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 529.1146
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 5322.1761
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1474.4135
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 5806.6138
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1617.6101
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 12.3318
INFO:                  SECOND_EPOCH__SD_ratio= 0.089
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 =     25.2900009155273 / [degC] Focuser temperature
AMBTEMP =                 22.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-09T06:26:27.3684243' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-09T11:26:27.3684243' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =      61292.476705648 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-09T11:26:37.2714369' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61292.4768202663 / 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      =     161.996886318552 / [deg] RA of telescope" status=0
Record 32: "DEC     =     46.0002018115109 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     14.9213888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     44.3452777777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =       3.829565389283 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / 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-10'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '10 48 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+46 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  =                29551 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29551 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     25.2900009155273 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     25.2900009155273 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 56.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               905.01 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 22.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 29.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             5.400432 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             3.200256 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/d_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits :)

Spent 0.542621 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/d_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     25.2900009155273 / [degC] Focuser temperature
AMBTEMP =                 22.7 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-09T06:27:10.5177771' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-09T11:27:10.5177771' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61292.4772050581 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-09T11:27:20.4205827' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =      61292.477319676 / 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      =     161.996886293952 / [deg] RA of telescope" status=0
Record 32: "DEC     =     46.0002018446104 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.0286111111111 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =              44.4175 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      3.8036622254521 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / 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-10'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '10 48 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+46 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  =                29551 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29551 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     25.2900009155273 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     25.2900009155273 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 13.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 56.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               905.01 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 22.7 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 29.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             5.400432 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             3.200256 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/d_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits :)

Spent 0.508020 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/d_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits



fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
  
SExtractor catalog cache: saved UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.cat to cache
SExtractor catalog cache: saved UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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: 2461292.97682139
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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits exists and is non-empty
wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits exists and is non-empty
wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits exists and is non-empty
wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (1st reference image)
verification OK: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Image size: 941.8'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:01.277 +46:00:05.34 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-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits (1st new image)
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Image size: 945.2'x627.0'  15.8(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.92"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:28.135 +46:01:20.94 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 10:48:01.277 +46:00:05.34
Second-epoch image center 10:48:28.135 +46:01:20.94
Angular distance between the image centers 0.0805 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits (2nd new image)
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Image size: 945.1'x627.0'  15.8(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.92"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:29.079 +46:01:31.93 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 10:48:01.277 +46:00:05.34
Second-epoch image center 10:48:29.079 +46:01:31.93
Angular distance between the image centers 0.0840 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  10:48:28.135 +46:01:20.94
Second-epoch second image center 10:48:29.079 +46:01:31.93
Angular distance between the image centers 0.00410 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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits &> /tmp/tmp.bgzyVs1v6R
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits &> /tmp/tmp.vCqfJVSa2I
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits &> /tmp/tmp.llBDSicHEX
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits &> /tmp/tmp.16VhKO2qrk
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat 
Found non-empty wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat
The reference image (wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits) and catalog (wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat) found
'wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat' -> 'wcsmag.cat'
Read 6977 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.2888 to 173.9091 deg, Dec +39.8237 to +51.3878 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 149.2888 to 173.9091 deg, Dec 39.8237 to 51.3878 deg
Loaded 4562 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): 3121 out of 3300 total matches.
Matched with Tycho-2 3300 out of 6977 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.930600
a=0.000000 b=1.000000 c=22.930600
From vast_summary.log: estimated ref. image limiting mag.:  -7.46
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.47

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

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 6977 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.2888 to 173.9091 deg, Dec +39.8237 to +51.3878 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 149.2888 to 173.9091 deg, Dec 39.8237 to 51.3878 deg
Loaded 4562 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): 3121 out of 3300 total matches.
Matched with Tycho-2 3300 out of 6977 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Forced-photometry filter: calibrated wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits -> calib.txt_param_ref_wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (aperture=6.5)
Read 6367 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.7463 to 174.3149 deg, Dec +40.3417 to +51.2581 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 149.7463 to 174.3149 deg, Dec 40.3417 to 51.2581 deg
Loaded 4272 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): 3192 out of 3282 total matches.
Matched with Tycho-2 3282 out of 6367 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Forced-photometry filter: calibrated wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits -> calib.txt_param_ref_wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits (aperture=6.6)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.2 pix  UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
 2.4 pix  UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
 2.2 pix  fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
 2.2 pix  fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Limiting magnitude estimates:
 15.5 mag.  UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
 15.3 mag.  UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
 13.3 mag.  fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
 13.3 mag.  fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
All-image limiting magnitude estimate:  13.3 (SNR )  10.5 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.bgzyVs1v6R (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_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits' -> 'wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS_IMAGE_NAME=wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS-calibrated image found: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Checking if the catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits alredy exist and is non-empty...
Catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS catalog name: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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=476, bad_region=0, passed=6977
Got 6977 stars (including 6493 good ones) from the SExtractor catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat 
util/solve_plate_with_UCAC5 got 6977 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010464 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4855 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4852 matched stars entering correct_measured_positions(), 4852 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4852 matched stars entering correct_measured_positions(), 6977 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4855 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4852 matched stars entering correct_measured_positions(), 6977 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4852 matched stars entering correct_measured_positions(), 6977 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4852 stars left (next iteration limit 5337)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits N_match=4852 sigma_overall_arcsec=0.358 sigma_q1_arcsec=0.425 sigma_q2_arcsec=0.356 sigma_q3_arcsec=0.344 sigma_q4_arcsec=0.326 n_q1=1167 n_q2=1200 n_q3=1294 n_q4=1191 worst_quadrant_to_overall_ratio=1.188
The image catalog is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits -region wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.vCqfJVSa2I (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits' -> 'wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS_IMAGE_NAME=wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS-calibrated image found: wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Checking if the catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits alredy exist and is non-empty...
Catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS catalog name: wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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=355, bad_region=0, passed=6367
Got 6367 stars (including 6003 good ones) from the SExtractor catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat 
util/solve_plate_with_UCAC5 got 6367 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.3'
Seting catalog search parameters based on the expected field of view 937.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013018 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010414 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 4858 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4855 matched stars entering correct_measured_positions(), 4855 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4855 matched stars entering correct_measured_positions(), 6367 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 4857 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4854 matched stars entering correct_measured_positions(), 6367 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4854 matched stars entering correct_measured_positions(), 6367 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4854 stars left (next iteration limit 5340)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits N_match=4854 sigma_overall_arcsec=0.408 sigma_q1_arcsec=0.332 sigma_q2_arcsec=0.446 sigma_q3_arcsec=0.400 sigma_q4_arcsec=0.449 n_q1=1162 n_q2=1340 n_q3=1157 n_q4=1195 worst_quadrant_to_overall_ratio=1.100
The image catalog is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits -region wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.llBDSicHEX (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS_IMAGE_NAME=wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS-calibrated image found: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Checking if the catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS catalog name: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.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=148, bad_region=0, passed=1517
Got 1517 stars (including 1368 good ones) from the SExtractor catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat 
util/solve_plate_with_UCAC5 got 1517 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 945.2'
Seting catalog search parameters based on the expected field of view 945.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013128 (47.3 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010502 (37.8 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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 1310 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1309 matched stars entering correct_measured_positions(), 1305 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1309 matched stars entering correct_measured_positions(), 1510 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 1311 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1309 matched stars entering correct_measured_positions(), 1509 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Accuracy estimation diagnostic: 1309 matched stars entering correct_measured_positions(), 1509 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 1309 stars left (next iteration limit 1439)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1309 robust_rms=9.788 arcsec worst_quadrant_rms=13.443 arcsec
SIP_REFIT: SIP order 3 trial: matched=1309 robust_rms=0.540 arcsec worst_quadrant_rms=0.734 arcsec
SIP_REFIT: SIP order 5 trial: matched=1309 robust_rms=0.398 arcsec worst_quadrant_rms=0.553 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1309 robust_rms_before=1.572 arcsec robust_rms_before_corrected=0.422 arcsec robust_rms_after=0.398 arcsec worst_quadrant_rms_before=0.567 worst_quadrant_rms_after=0.553
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.567 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits N_match=1309 sigma_overall_arcsec=0.438 sigma_q1_arcsec=0.396 sigma_q2_arcsec=0.633 sigma_q3_arcsec=0.380 sigma_q4_arcsec=0.390 n_q1=339 n_q2=292 n_q3=385 n_q4=293 worst_quadrant_to_overall_ratio=1.446
The image catalog is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits -region wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.16VhKO2qrk (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS_IMAGE_NAME=wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS-calibrated image found: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Checking if the catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS catalog name: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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=147, bad_region=0, passed=1478
Got 1478 stars (including 1328 good ones) from the SExtractor catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat 
util/solve_plate_with_UCAC5 got 1478 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 945.1'
Seting catalog search parameters based on the expected field of view 945.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013126 (47.3 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010501 (37.8 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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 1273 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1272 matched stars entering correct_measured_positions(), 1265 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1272 matched stars entering correct_measured_positions(), 1468 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 

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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 1273 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1272 matched stars entering correct_measured_positions(), 1467 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 1272 matched stars entering correct_measured_positions(), 1467 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 1272 stars left (next iteration limit 1399)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1272 robust_rms=9.882 arcsec worst_quadrant_rms=12.407 arcsec
SIP_REFIT: SIP order 3 trial: matched=1272 robust_rms=0.579 arcsec worst_quadrant_rms=0.682 arcsec
SIP_REFIT: SIP order 5 trial: matched=1272 robust_rms=0.422 arcsec worst_quadrant_rms=0.541 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1272 robust_rms_before=1.581 arcsec robust_rms_before_corrected=0.430 arcsec robust_rms_after=0.422 arcsec worst_quadrant_rms_before=0.622 worst_quadrant_rms_after=0.541
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Image size: 945.4'x627.0'  15.8(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.92"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:29.152 +46:01:30.44 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 1478 stars ###
'wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/correct_sextractor_wcs_catalog_usingxy2sky1559482.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.581 -> 0.422 arcsec)
WCS_QUALITY_DIAG: file=fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits N_match=1272 sigma_overall_arcsec=0.430 sigma_q1_arcsec=0.404 sigma_q2_arcsec=0.574 sigma_q3_arcsec=0.381 sigma_q4_arcsec=0.406 n_q1=332 n_q2=279 n_q3=378 n_q4=283 worst_quadrant_to_overall_ratio=1.335
The image catalog is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits -region wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Saving the final (post-refit) wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits to local_wcs_cache/
'wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits' -> 'local_wcs_cache/wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits'
Saving the final (post-refit) wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits to local_wcs_cache/
'wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits' -> 'local_wcs_cache/wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits'
Saving the final (post-refit) wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits to local_wcs_cache/
'wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits' -> 'local_wcs_cache/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits'
Saving the final (post-refit) wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits to local_wcs_cache/
'wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits' -> 'local_wcs_cache/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits sigma_overall=0.358 worst_q_ratio=1.188
ref2=UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits sigma_overall=0.408 worst_q_ratio=1.100
new1=fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits sigma_overall=0.438 worst_q_ratio=1.446
new2=fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits sigma_overall=0.430 worst_q_ratio=1.335
reference average sigma_overall=0.383 worst_q_ratio=1.144
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300_astrometric_residuals.png (4852 matched stars from wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.32 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183_astrometric_residuals.png (4854 matched stars from wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390_astrometric_residuals.png (1309 matched stars from wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.38 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391_astrometric_residuals.png (1272 matched stars from wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits'
Saving fully-calibrated image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits'
Preparing the HTML report for the field UMa-10-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field UMa-10-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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
  
SExtractor catalog cache: saved UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.cat to cache
SExtractor catalog cache: saved UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Creating symlink local_wcs_cache/wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits exists and is non-empty
wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits exists and is non-empty
wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits exists and is non-empty
wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (1st reference image)
verification OK: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Image size: 941.8'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:01.277 +46:00:05.34 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-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits (1st new image)
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Image size: 945.2'x627.0'  15.8(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.92"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:28.135 +46:01:20.94 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 10:48:01.277 +46:00:05.34
Second-epoch image center 10:48:28.135 +46:01:20.94
Angular distance between the image centers 0.0805 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits (2nd new image)
verification OK: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Image size: 945.4'x627.0'  15.8(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.92"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 10:48:29.152 +46:01:30.44 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 10:48:01.277 +46:00:05.34
Second-epoch image center 10:48:29.152 +46:01:30.44
Angular distance between the image centers 0.0841 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  10:48:28.135 +46:01:20.94
Second-epoch second image center 10:48:29.152 +46:01:30.44
Angular distance between the image centers 0.00395 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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits &> /tmp/tmp.BBqvyEkEwu
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits &> /tmp/tmp.0LYqPXMCpa
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits &> /tmp/tmp.HhKcHsHwBC
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits &> /tmp/tmp.DIRYVEnNba
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat 
Found non-empty wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits and wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat
The reference image (wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits) and catalog (wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat) found
'wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat' -> 'wcsmag.cat'
Read 34182 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.2608 to 173.9091 deg, Dec +39.8237 to +51.4075 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 149.2608 to 173.9091 deg, Dec 39.8237 to 51.4075 deg
Loaded 4576 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): 2959 out of 3310 total matches.
Matched with Tycho-2 3310 out of 34182 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.821100
a=0.000000 b=1.000000 c=22.821100
From vast_summary.log: estimated ref. image limiting mag.:  -7.20
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.62

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.62

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 34182 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.2608 to 173.9091 deg, Dec +39.8237 to +51.4075 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 149.2608 to 173.9091 deg, Dec 39.8237 to 51.4075 deg
Loaded 4576 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): 2959 out of 3310 total matches.
Matched with Tycho-2 3310 out of 34182 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Forced-photometry filter: calibrated wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits -> calib.txt_param_ref_wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (aperture=5.1)
Read 30481 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 149.6960 to 174.3149 deg, Dec +40.3147 to +51.2657 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 149.6960 to 174.3149 deg, Dec 40.3147 to 51.2657 deg
Loaded 4300 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): 3058 out of 3292 total matches.
Matched with Tycho-2 3292 out of 30481 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Forced-photometry filter: calibrated wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits -> calib.txt_param_ref_wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits (aperture=5.2)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 18 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
 2.2 pix  UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
 2.0 pix  fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
 2.0 pix  fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Limiting magnitude estimates:
 15.6 mag.  UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
 15.5 mag.  UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
 13.5 mag.  fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
 13.5 mag.  fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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.BBqvyEkEwu (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_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits' -> 'wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS_IMAGE_NAME=wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS-calibrated image found: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
Checking if the catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits alredy exist and is non-empty...
Catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits
WCS catalog name: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.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=21, blended=1513, bad_region=9, passed=34161
Got 34161 stars (including 32570 good ones) from the SExtractor catalog wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat 
util/solve_plate_with_UCAC5 got 34161 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.8'
Seting catalog search parameters based on the expected field of view 941.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013081 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010464 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4853 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 4851 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 34161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4853 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 34161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 34161 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4851 stars left (next iteration limit 5336)
Stop iterations.


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

SIP_REFIT: wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits N_match=4851 sigma_overall_arcsec=0.342 sigma_q1_arcsec=0.389 sigma_q2_arcsec=0.334 sigma_q3_arcsec=0.331 sigma_q4_arcsec=0.312 n_q1=1144 n_q2=1199 n_q3=1293 n_q4=1215 worst_quadrant_to_overall_ratio=1.139
The image catalog is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits -region wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-10-Q1b1x1_2026-02-22_00-53-48_20.00sec_-14.90C_LIGHT_0300.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.0LYqPXMCpa (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits' -> 'wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS_IMAGE_NAME=wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS-calibrated image found: wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
Checking if the catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits alredy exist and is non-empty...
Catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat corresponding to the image wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits
WCS catalog name: wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.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=21, blended=1294, bad_region=0, passed=30460
Got 30460 stars (including 29132 good ones) from the SExtractor catalog wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat 
util/solve_plate_with_UCAC5 got 30460 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.3'
Seting catalog search parameters based on the expected field of view 937.3 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013018 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010414 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 4852 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4850 matched stars entering correct_measured_positions(), 4850 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4850 matched stars entering correct_measured_positions(), 30460 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 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 4851 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4849 matched stars entering correct_measured_positions(), 30460 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4849 matched stars entering correct_measured_positions(), 30460 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4849 stars left (next iteration limit 5335)
Stop iterations.


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

SIP_REFIT: wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits N_match=4849 sigma_overall_arcsec=0.397 sigma_q1_arcsec=0.321 sigma_q2_arcsec=0.429 sigma_q3_arcsec=0.392 sigma_q4_arcsec=0.443 n_q1=1174 n_q2=1335 n_q3=1141 n_q4=1199 worst_quadrant_to_overall_ratio=1.115
The image catalog is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits -region wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-10-Q1b1x1_2026-05-11_00-03-55_20.00sec_-4.90C_LIGHT_0183.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.HhKcHsHwBC (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS_IMAGE_NAME=wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS-calibrated image found: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Checking if the catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
WCS catalog name: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.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=6, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=5, blended=394, bad_region=0, passed=10356
Got 10356 stars (including 9949 good ones) from the SExtractor catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat 
util/solve_plate_with_UCAC5 got 10356 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 945.2'
Seting catalog search parameters based on the expected field of view 945.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013128 (47.3 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010502 (37.8 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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 4827 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4822 matched stars entering correct_measured_positions(), 4822 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4822 matched stars entering correct_measured_positions(), 10356 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48" 

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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 4828 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4821 matched stars entering correct_measured_positions(), 10356 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48" 
Accuracy estimation diagnostic: 4821 matched stars entering correct_measured_positions(), 10356 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48" 
Excluding outliers - 4821 stars left (next iteration limit 5304)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4821 robust_rms=8.917 arcsec worst_quadrant_rms=13.249 arcsec
SIP_REFIT: SIP order 3 trial: matched=4821 robust_rms=0.653 arcsec worst_quadrant_rms=0.806 arcsec
SIP_REFIT: SIP order 5 trial: matched=4821 robust_rms=0.513 arcsec worst_quadrant_rms=0.678 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4821 robust_rms_before=1.615 arcsec robust_rms_before_corrected=0.505 arcsec robust_rms_after=0.513 arcsec worst_quadrant_rms_before=0.625 worst_quadrant_rms_after=0.678
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.625 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits N_match=4821 sigma_overall_arcsec=0.503 sigma_q1_arcsec=0.476 sigma_q2_arcsec=0.621 sigma_q3_arcsec=0.483 sigma_q4_arcsec=0.493 n_q1=1340 n_q2=916 n_q3=1476 n_q4=1089 worst_quadrant_to_overall_ratio=1.234
The image catalog is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits -region wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.DIRYVEnNba (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS_IMAGE_NAME=wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS-calibrated image found: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Checking if the catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat corresponding to the image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
WCS catalog name: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.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=5, blended=856, bad_region=0, passed=10637
Got 10637 stars (including 9762 good ones) from the SExtractor catalog wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat 
util/solve_plate_with_UCAC5 got 10637 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 945.4'
Seting catalog search parameters based on the expected field of view 945.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013131 (47.3 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010504 (37.8 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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 4826 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4818 matched stars entering correct_measured_positions(), 4818 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.47" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4818 matched stars entering correct_measured_positions(), 10637 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.47" 

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 650 to 708 (Dec 40.0 to 51.4)
Done reading UCAC5 zone files...
Matched 4827 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4819 matched stars entering correct_measured_positions(), 10637 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48" 
Accuracy estimation diagnostic: 4819 matched stars entering correct_measured_positions(), 10637 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49" 
Excluding outliers - 4819 stars left (next iteration limit 5299)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4819 robust_rms=8.988 arcsec worst_quadrant_rms=13.864 arcsec
SIP_REFIT: SIP order 3 trial: matched=4819 robust_rms=0.680 arcsec worst_quadrant_rms=0.796 arcsec
SIP_REFIT: SIP order 5 trial: matched=4819 robust_rms=0.544 arcsec worst_quadrant_rms=0.663 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4819 robust_rms_before=0.548 arcsec robust_rms_before_corrected=0.516 arcsec robust_rms_after=0.544 arcsec worst_quadrant_rms_before=0.618 worst_quadrant_rms_after=0.663
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.618 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits N_match=4819 sigma_overall_arcsec=0.512 sigma_q1_arcsec=0.474 sigma_q2_arcsec=0.612 sigma_q3_arcsec=0.490 sigma_q4_arcsec=0.494 n_q1=1340 n_q2=924 n_q3=1478 n_q4=1077 worst_quadrant_to_overall_ratio=1.195
The image catalog is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits -region wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-26-27_20.00sec_-0.00C_LIGHTs_0390.fits
Saving fully-calibrated image wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/wcs_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits
Preparing the HTML report for the field UMa-10-Q1b1x1 with default.sex.telephoto_lens_vSTL
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: 1s
  
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Considering the candidate 52178_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52178_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.36    10:04:05.66 +46:01:22.1   0124 3246   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (13.1") between the two second-epoch detections
  
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Considering the candidate 52189_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52189_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.50    10:38:33.08 +47:55:52.0   3725 4297   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.3") between the two second-epoch detections
  
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Considering the candidate 52190_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52190_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.38    10:49:40.95 +41:39:56.8   5070 0580   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (15.4") between the two second-epoch detections
  
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Considering the candidate 52205_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52205_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.71    11:09:56.42 +44:28:32.1   7133 2477   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

**** FOUND  11:09:56.46 +44:28:32.2 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 52209_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52209_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.91    10:42:55.78 +43:49:05.8   4262 1839   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.7") between the two second-epoch detections
  
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Considering the candidate 52213_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52213_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.14    10:32:12.44 +48:24:48.3   3083 4578   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.2") between the two second-epoch detections
  
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Considering the candidate 52232_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52232_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    10.92    11:22:04.25 +42:54:21.2   8582 1727   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (15.7") between the two second-epoch detections
  
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Considering the candidate 52239_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52239_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.64    10:13:31.11 +44:06:54.8   1063 2025   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (13.5") between the two second-epoch detections
  
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Considering the candidate 52252_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52252_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.45    10:55:26.16 +49:38:53.6   5342 5422   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.5") between the two second-epoch detections
  
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Considering the candidate 52266_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52266_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.96    10:41:39.06 +48:58:24.3   4015 4935   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.3") between the two second-epoch detections
  
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Considering the candidate 52278_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52278_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.97    10:37:02.43 +42:04:46.3   3644 0767   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (14.7") between the two second-epoch detections
  
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Considering the candidate 52304_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52304_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.86    11:22:38.81 +43:28:31.5   8590 2078   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

**** FOUND  11:22:38.77 +43:28:32.1 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 52374_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52374_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    12.17    10:56:18.67 +43:26:54.7   5727 1708   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (15.1") between the two second-epoch detections
  
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Considering the candidate 52377_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52377_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    12.20    11:16:46.07 +49:26:49.9   7432 5549   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

**** FOUND  11:16:46.13 +49:26:49.4 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 52394_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52394_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    11.98    11:23:04.05 +41:48:07.5   8801 1083   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (15.9") between the two second-epoch detections
  
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Considering the candidate 52408_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52408_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    12.15    10:59:47.10 +45:15:51.3   6005 2830   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (15.3") between the two second-epoch detections
  
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Considering the candidate 52531_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52531_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    12.95    10:09:23.44 +40:57:12.1   0477 0121   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

Rejecting candidate due to large distance (13.8") between the two second-epoch detections
  
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Considering the candidate 52606_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391
The candidate 52606_fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391 did not pass the final checks
Discovery image 2     2026 09 09.47732    2461292.97732    12.76    11:20:39.60 +45:00:34.7   8229 2960   /data_ssd/NMW-TexasTech/workdir//img_2026-09-09_CI_UMa-10-Q1b1x1_062757_TTUQ1b1x1_1507718_YhAsPccK/fd_UMa-10-Q1b1x1_2026-09-09_06-27-10_20.00sec_-0.00C_LIGHTs_0391.fits

**** FOUND  11:20:39.63 +45:00:35.4 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-10-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-10-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)2461292.97682139 -observatory V36
11:52:28.44 +01:45:25.1 Mercury (-0.7mag)
13:41:26.95 -15:19:43.6 Venus (-4.7mag)
07:19:51.59 +22:50:14.7 Mars (1.2mag)
09:10:50.35 +16:49:58.3 Jupiter (-1.8mag)
00:51:13.28 +02:35:01.3 Saturn (0.4mag)
04:13:42.42 +21:02:02.7 Uranus (5.7mag)
00:13:32.33 -00:04:37.6 Neptune (7.7mag)
20:25:26.74 -23:40:06.2 Pluto (14.5mag)
09:52:33.70 +13:06:46.4 Moon (-8.6mag)
-rw-r--r-- 1 apache apache 362 Sep  9 06:31 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461292.97682139:
09:10:46.03 +16:50:20.4 Io (6.2mag)
09:11:00.86 +16:49:06.6 Europa (6.3mag)
09:10:36.02 +16:51:10.6 Ganymede (5.7mag)
09:10:41.29 +16:50:44.9 Callisto (6.9mag)
09:08:41.14 +17:07:27.0 Himalia (15.7mag)
09:10:51.87 +16:49:51.9 Thebe (16.6mag)
09:08:16.97 +17:01:21.3 Elara (17.7mag)
09:14:40.77 +16:16:54.6 Pasiphae (17.9mag)
09:11:45.90 +17:08:21.0 Carme (19.0mag)
00:51:00.64 +02:35:15.6 Titan (8.3mag)
00:51:17.69 +02:34:51.7 Rhea (9.6mag)
00:51:22.52 +02:37:19.4 Iapetus (11.0mag)
00:51:29.09 +02:34:46.3 Hyperion (14.3mag)
00:49:57.79 +02:24:33.5 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Sep  9 06:31 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461292.97682139:
22:21:10.26 +03:13:57.3 JWST
16:57:28.10 +42:02:01.7 Chandra
13:16:28.57 -62:26:01.8 XMM-Newton
-rw-r--r-- 1 apache apache 96 Sep  9 06:31 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461292.97682139 -observatory V36
03:41:40.14 +19:26:20.6 17.4mag P/1996 R2 (Lagerkvist)
18:03:42.98 -34:10:13.4 14.4mag P/2010 H2 (Vales)
07:21:06.37 -70:25:23.1 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:15:55.79 +33:45:25.7 17.7mag C/2017 K2 (PANSTARRS)
22:11:45.44 +28:24:07.0 17.5mag C/2022 E2 (ATLAS)
07:11:49.30 +25:56:20.4 16.9mag C/2022 N2 (PANSTARRS)
10:51:30.40 +27:08:55.2 17.1mag C/2022 QE78 (ATLAS)
09:50:03.08 +05:13:15.8 18.0mag C/2022 R6 (PANSTARRS)
15:28:58.64 -15:50:25.3 14.9mag C/2023 R1 (PANSTARRS)
08:40:17.16 +33:01:42.7 15.8mag C/2024 E1 (Wierzchos)
15:06:53.14 +15:17:52.2 17.9mag C/2024 G6 (ATLAS)
18:32:17.23 +43:05:20.9 13.7mag C/2024 J3 (ATLAS)
20:23:12.87 +49:10:47.1 17.4mag C/2024 R4 (PANSTARRS)
05:36:44.80 -13:03:25.3 15.1mag C/2024 T5 (ATLAS)
07:12:21.49 +18:06:20.3 17.8mag C/2025 J1 (Borisov)
11:21:30.36 +18:35:55.2 16.8mag C/2025 V2 (Rankin)
13:21:25.91 -00:03:35.9 16.8mag C/2025 Y1 (ATLAS)
16:47:13.26 +73:40:07.8 16.1mag C/2026 A2 (Bok)
03:04:40.10 +46:03:45.5 17.5mag C/2026 B2 (Sun-Gao)
12:15:17.82 +11:27:40.8 17.5mag A/2026 E1
22:27:48.08 -35:09:45.1 7.8mag 10P/Tempel
11:49:38.01 -05:37:56.7 16.3mag 29P/Schwassmann-Wachmann
12:12:57.77 -05:46:59.8 17.6mag 63P/Wild
06:43:31.51 +19:05:01.2 13.7mag 78P/Gehrels
20:16:07.18 -26:11:50.2 17.1mag 84P/Giclas
03:17:20.21 +15:01:20.3 17.2mag 88P/Howell
05:45:29.72 +29:27:44.2 16.9mag 112P/Urata-Niijima
07:38:14.68 +24:15:07.3 15.9mag 114P/Wiseman-Skiff
10:32:45.31 +20:24:14.5 14.8mag 123P/West-Hartley
12:51:24.94 -22:05:44.3 17.5mag 124P/Mrkos
06:20:02.16 +20:34:15.3 15.9mag 128P/Shoemaker-Holt
02:23:17.53 -17:19:50.1 11.3mag 161P/Hartley-IRAS
08:58:56.80 +37:31:32.2 16.4mag 162P/Siding Spring
09:34:22.05 +12:25:15.1 13.2mag 169P/NEAT
03:26:11.49 +08:17:28.5 17.7mag 220P/McNaught
04:53:55.04 +36:59:54.4 15.2mag 260P/McNaught
08:37:42.16 +35:28:02.2 17.3mag 295P/LINEAR
15:26:39.93 -00:29:37.1 17.9mag 391P/Kowalski
09:29:39.83 +16:44:20.7 17.8mag 450P/LONEOS
-rw-r--r-- 1 apache apache 1.9K Sep  9 06:31 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.74 -22:25:28.60  V8055  2026-08-30.22 10.89
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.89 +49:28:51.30  SN2026wjs  2026-08-9.24 17.09
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.78 +32:04:21.30  AT2026ovz  2026-06-14.59 15.39
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:33.11 -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
-rw-r--r-- 1 apache apache 5.7K Sep  9 06:31 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:44:56.43 +41:57:41.6  PNV J00445643+4157416  2026-07-13.8026  17.98Cmag
00:42:55.36 +41:17:27.0  PNV J00425536+4117270  2026-07-20.1813  17.7mag
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
-rw-r--r-- 1 apache apache 190K Sep  9 06:31 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
01:08:23.870 +02:55:51.33  AT 2026yuy  2026-08-06.84 21.87
01:16:59.610 +05:02:09.95  AT 2026yux  2026-08-06.84 22.17
01:03:17.160 +01:55:16.75  AT 2026yuw  2026-08-06.84 21.78
01:01:06.200 -01:23:37.06  AT 2026yuv  2026-08-06.84 21.44
23:00:49.110 +05:32:39.05  AT 2026yuu  2026-08-07.78 22.37
23:39:57.990 +03:21:50.80  AT 2026yut  2026-08-06.76 22.1
23:34:24.590 +00:59:42.41  AT 2026yus  2026-08-05.79 22.26
23:11:22.440 +03:34:45.08  AT 2026yur  2026-08-06.81 22.15
23:52:10.400 +03:53:48.67  AT 2026yuq  2026-08-06.76 22.26
01:28:25.390 -00:33:31.00  AT 2026yup  2026-07-22.87 22.24
06:19:46.733 +50:57:31.05  AT 2026yuo  2026-08-13.50 19.744
23:24:50.114 +15:25:58.38  AT 2026yun  2026-08-10.05 19.96
00:25:27.120 +20:14:05.91  SN 2026yum  2026-08-13.09 18.04
22:02:49.666 -13:05:30.39  AT 2026yul  2026-08-12.92 18.89
21:45:50.911 -04:08:31.57  AT 2026yuk  2026-08-12.78 19.08
01:02:47.624 -06:59:05.24  AT 2026yuj  2026-08-13.05 19.25
23:50:13.455 +20:53:14.83  AT 2026yui  2026-08-12.94 19.46
22:53:22.575 -18:00:52.62  AT 2026yuh  2026-08-12.37 19.1729
01:03:55.125 -10:40:35.60  AT 2026yug  2026-08-10.42 20.3834
22:18:45.584 -09:23:49.69  AT 2026yuf  2026-08-08.36 20.7186
-rw-r--r-- 1 apache apache 88K Sep  9 06:31 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Wed Sep  9 06:31:05 CDT 2026
=======================================
TIMING SExtractor: 1 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 22s (0.37 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 7s (0.12 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 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: 35s (0.58 min)
TIMING SExtractor: 7 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 2 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 10s (0.17 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: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 22s (0.37 min)
FIELD_UMa-10-Q1b1x1: 71s (1.18 min)
=======================================
TOTAL_RUNTIME: 73s (1.22 min)
Finished: Wed Sep  9 06:32:18 CDT 2026