FITS images used in this processing run:

Field UMa-11-Q2b1x1 reference image: UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Field UMa-11-Q2b1x1 reference image: UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Field UMa-11-Q2b1x1 second-epoch image: UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Field UMa-11-Q2b1x1 second-epoch image: UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.79222760 22.02.2026 07:00:38.465   /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
First image: 2461093.79222760 22.02.2026 07:00:38.465   /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Last  image: 2461319.95315259 06.10.2026 10:52:22.384   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.24
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 4 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):  4644
Objects passed selection criteria:  4639
Measurements per detected object (mean, median, min, max):    3.0    3.0    2    4
Measurements per selected object (mean, median, min, max):    3.0    3.0    2    4
Average stars detected per image: 3740
Average stars matched: 3573 (95.5348 %)
Memory usage VmPeak:   231772 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Tue Oct  6 12:01:37 CDT 2026
VaST build number  1.0rc89-233-gd5bdb823
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-06)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct  7 02:35:34 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: 2461093.79222760 22.02.2026 07:00:38.465   /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
First image: 2461093.79222760 22.02.2026 07:00:38.465   /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Last  image: 2461319.95315259 06.10.2026 10:52:22.384   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 15
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -6.93
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 12 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  21941
Objects passed selection criteria:  21908
Measurements per detected object (mean, median, min, max):    3.2    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.2    4.0    2    4
Average stars detected per image: 19067.8
Average stars matched: 18278 (95.8582 %)
Memory usage VmPeak:   248924 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Tue Oct  6 12:01:37 CDT 2026
VaST build number  1.0rc89-233-gd5bdb823
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-06)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Wed Oct  7 02:36:16 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
UMa-11-Q2b1x1
#######################################
########### Starting UMa-11-Q2b1x1 ###########
Processing UMa-11-Q2b1x1
server tau has sufficient free disk space available: 1078000 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 1078000 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.png' -> 'transient_report/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits_preview.png'

UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits


renamed 'UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.png' -> 'transient_report/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits_preview.png'

UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.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= 446.7819
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 471.5037
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1704.9153
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 467.2361
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1696.6753
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 467.1343
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.81599
INFO:                  SECOND_EPOCH__SD_ratio= 0.000
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     14.6700000762939 / [degC] Focuser temperature
AMBTEMP =                 14.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-06T05:51:25.3214853' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-06T10:51:25.3214853' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61319.4523764006 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-06T10:51:35.2256616' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61319.4524910301 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     179.997784412895 / [deg] RA of telescope" status=0
Record 32: "DEC     =     45.9996674009717 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     14.8438888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     44.3030555555556 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.84851378558047 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-11'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '12 00 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  =                20658 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20658 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     14.6700000762939 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     14.6700000762939 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 82.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                904.3 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 14.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 26.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             1.800144 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             1.400112 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/d_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits :)

Spent 0.536362 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/d_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     14.7700004577637 / [degC] Focuser temperature
AMBTEMP =                 14.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-06T05:52:22.3846665' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-06T10:52:22.3846665' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61319.4530368517 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-06T10:52:32.2888883' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61319.4531514817 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                  0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     179.997784371379 / [deg] RA of telescope" status=0
Record 32: "DEC     =     45.9996674575913 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =               14.985 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     44.3994444444444 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.81415463178571 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-11'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '12 00 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  =                20658 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20658 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     14.7700004577637 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     14.7700004577637 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 82.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                904.3 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 14.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 26.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             1.800144 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             1.400112 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/d_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits :)

Spent 0.525998 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/d_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits



fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
  
SExtractor catalog cache: saved UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.cat to cache
SExtractor catalog cache: saved UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461319.95249214
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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits exists and is non-empty
wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits exists and is non-empty
wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits exists and is non-empty
wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (1st reference image)
verification OK: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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: 11:59:59.840 +46:00:34.73 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-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits (1st new image)
verification OK: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Image size: 941.1'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 12:00:14.467 +46:01:16.08 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 11:59:59.840 +46:00:34.73
Second-epoch image center 12:00:14.467 +46:01:16.08
Angular distance between the image centers 0.0439 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits (2nd new image)
verification OK: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Image size: 941.0'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 12:00:15.026 +46:01:54.22 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 11:59:59.840 +46:00:34.73
Second-epoch image center 12:00:15.026 +46:01:54.22
Angular distance between the image centers 0.0492 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  12:00:14.467 +46:01:16.08
Second-epoch second image center 12:00:15.026 +46:01:54.22
Angular distance between the image centers 0.01072 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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits &> /tmp/tmp.uepU496vTO
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits &> /tmp/tmp.fznx3MgwAc
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits &> /tmp/tmp.4Le1VaNDBq
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits &> /tmp/tmp.zNMA1vSP6o
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
Found non-empty wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat
The reference image (wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits) and catalog (wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat) found
'wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat' -> 'wcsmag.cat'
Read 6312 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.3583 to 191.9198 deg, Dec +39.8316 to +51.3978 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 167.3583 to 191.9198 deg, Dec 39.8316 to 51.3978 deg
Loaded 3936 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): 2810 out of 2955 total matches.
Matched with Tycho-2 2955 out of 6312 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.929550
a=0.000000 b=1.000000 c=22.929550
From vast_summary.log: estimated ref. image limiting mag.:  -7.24
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.69

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.69

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 6312 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.3583 to 191.9198 deg, Dec +39.8316 to +51.3978 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 167.3583 to 191.9198 deg, Dec 39.8316 to 51.3978 deg
Loaded 3936 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): 2810 out of 2955 total matches.
Matched with Tycho-2 2955 out of 6312 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Forced-photometry filter: calibrated wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits -> calib.txt_param_ref_wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (aperture=6.5)
Read 6666 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.9142 to 192.3677 deg, Dec +40.1383 to +51.2474 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 167.9142 to 192.3677 deg, Dec 40.1383 to 51.2474 deg
Loaded 3769 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): 2802 out of 2907 total matches.
Matched with Tycho-2 2907 out of 6666 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Forced-photometry filter: calibrated wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits -> calib.txt_param_ref_wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
 2.4 pix  UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
 2.3 pix  fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
 2.3 pix  fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Limiting magnitude estimates:
 15.7 mag.  UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
 15.7 mag.  UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
 14.6 mag.  fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
 14.7 mag.  fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
All-image limiting magnitude estimate:  14.6 (SNR )  11.5 (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.uepU496vTO (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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits' -> 'wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS_IMAGE_NAME=wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS-calibrated image found: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Checking if the catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits alredy exist and is non-empty...
Catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS catalog name: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=397, bad_region=1421, passed=6312
Got 6312 stars (including 4565 good ones) from the SExtractor catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
util/solve_plate_with_UCAC5 got 6312 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 4400 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4391 matched stars entering correct_measured_positions(), 4391 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4391 matched stars entering correct_measured_positions(), 5168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4400 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4391 matched stars entering correct_measured_positions(), 5168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 4391 matched stars entering correct_measured_positions(), 5168 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4391 stars left (next iteration limit 4830)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits N_match=4391 sigma_overall_arcsec=0.419 sigma_q1_arcsec=0.491 sigma_q2_arcsec=0.433 sigma_q3_arcsec=0.372 sigma_q4_arcsec=0.384 n_q1=1355 n_q2=755 n_q3=1442 n_q4=839 worst_quadrant_to_overall_ratio=1.171
The image catalog is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits -region wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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.fznx3MgwAc (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_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits' -> 'wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS_IMAGE_NAME=wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS-calibrated image found: wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Checking if the catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits alredy exist and is non-empty...
Catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS catalog name: wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=353, bad_region=1468, passed=6666
Got 6666 stars (including 4913 good ones) from the SExtractor catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat 
util/solve_plate_with_UCAC5 got 6666 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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 650 to 708 (Dec 40.1 to 51.2)
Done reading UCAC5 zone files...
Matched 4729 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4718 matched stars entering correct_measured_positions(), 4718 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4718 matched stars entering correct_measured_positions(), 5476 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.2)
Done reading UCAC5 zone files...
Matched 4729 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4718 matched stars entering correct_measured_positions(), 5476 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 4718 matched stars entering correct_measured_positions(), 5476 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 4718 stars left (next iteration limit 5189)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits N_match=4718 sigma_overall_arcsec=0.306 sigma_q1_arcsec=0.279 sigma_q2_arcsec=0.320 sigma_q3_arcsec=0.336 sigma_q4_arcsec=0.277 n_q1=1507 n_q2=842 n_q3=1535 n_q4=834 worst_quadrant_to_overall_ratio=1.097
The image catalog is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits -region wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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.4Le1VaNDBq (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS_IMAGE_NAME=wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS-calibrated image found: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Checking if the catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS catalog name: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=170, bad_region=503, passed=2992
Got 2992 stars (including 2339 good ones) from the SExtractor catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat 
util/solve_plate_with_UCAC5 got 2992 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.1'
Seting catalog search parameters based on the expected field of view 941.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013071 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010457 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 2277 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2271 matched stars entering correct_measured_positions(), 2271 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2271 matched stars entering correct_measured_positions(), 2570 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 2277 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2270 matched stars entering correct_measured_positions(), 2570 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 2270 matched stars entering correct_measured_positions(), 2570 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 2270 stars left (next iteration limit 2498)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2270 robust_rms=6.588 arcsec worst_region_rms=10.189 arcsec outer_annulus_rms=10.189 arcsec
SIP_REFIT: SIP order 3 trial: matched=2270 robust_rms=0.567 arcsec worst_region_rms=0.624 arcsec outer_annulus_rms=0.562 arcsec
SIP_REFIT: SIP order 5 trial: matched=2270 robust_rms=0.393 arcsec worst_region_rms=0.437 arcsec outer_annulus_rms=0.427 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2270 robust_rms_before=1.753 arcsec robust_rms_before_corrected=0.377 arcsec robust_rms_after=0.393 arcsec worst_region_rms_before=0.454 worst_region_rms_after=0.437 outer_annulus_rms_before=1.467 outer_annulus_rms_after=0.427
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.454 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits worst_region_rms_kept=0.454 arcsec robust_rms_kept=0.377 arcsec matched=2270
WCS_QUALITY_DIAG: file=fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits N_match=2270 sigma_overall_arcsec=0.385 sigma_q1_arcsec=0.376 sigma_q2_arcsec=0.486 sigma_q3_arcsec=0.373 sigma_q4_arcsec=0.371 n_q1=751 n_q2=323 n_q3=795 n_q4=401 worst_quadrant_to_overall_ratio=1.263
The image catalog is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits -region wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.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.zNMA1vSP6o (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS_IMAGE_NAME=wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS-calibrated image found: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Checking if the catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS catalog name: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=192, bad_region=510, passed=2982
Got 2982 stars (including 2307 good ones) from the SExtractor catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat 
util/solve_plate_with_UCAC5 got 2982 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.0'
Seting catalog search parameters based on the expected field of view 941.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013069 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010456 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 2248 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2243 matched stars entering correct_measured_positions(), 2243 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2243 matched stars entering correct_measured_positions(), 2552 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 2248 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2243 matched stars entering correct_measured_positions(), 2552 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 2243 matched stars entering correct_measured_positions(), 2552 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 2243 stars left (next iteration limit 2467)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2243 robust_rms=6.603 arcsec worst_region_rms=10.047 arcsec outer_annulus_rms=10.047 arcsec
SIP_REFIT: SIP order 3 trial: matched=2243 robust_rms=0.563 arcsec worst_region_rms=0.653 arcsec outer_annulus_rms=0.583 arcsec
SIP_REFIT: SIP order 5 trial: matched=2243 robust_rms=0.425 arcsec worst_region_rms=0.488 arcsec outer_annulus_rms=0.443 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2243 robust_rms_before=1.689 arcsec robust_rms_before_corrected=0.390 arcsec robust_rms_after=0.425 arcsec worst_region_rms_before=0.433 worst_region_rms_after=0.488 outer_annulus_rms_before=1.318 outer_annulus_rms_after=0.443
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.433 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits worst_region_rms_kept=0.433 arcsec robust_rms_kept=0.390 arcsec matched=2243
WCS_QUALITY_DIAG: file=fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits N_match=2243 sigma_overall_arcsec=0.408 sigma_q1_arcsec=0.400 sigma_q2_arcsec=0.454 sigma_q3_arcsec=0.391 sigma_q4_arcsec=0.406 n_q1=741 n_q2=324 n_q3=774 n_q4=404 worst_quadrant_to_overall_ratio=1.112
The image catalog is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits -region wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits to local_wcs_cache/
'wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits' -> 'local_wcs_cache/wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits'
Saving the final (post-refit) wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits to local_wcs_cache/
'wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits' -> 'local_wcs_cache/wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits'
Saving the final (post-refit) wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits to local_wcs_cache/
'wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits' -> 'local_wcs_cache/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits'
Saving the final (post-refit) wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits to local_wcs_cache/
'wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits' -> 'local_wcs_cache/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits sigma_overall=0.419 worst_q_ratio=1.171
ref2=UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits sigma_overall=0.306 worst_q_ratio=1.097
new1=fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits sigma_overall=0.385 worst_q_ratio=1.263
new2=fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits sigma_overall=0.408 worst_q_ratio=1.112
reference average sigma_overall=0.3625 worst_q_ratio=1.134
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308_astrometric_residuals.png (4391 matched stars from wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.37 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256_astrometric_residuals.png (4718 matched stars from wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.27 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576_astrometric_residuals.png (2270 matched stars from wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577_astrometric_residuals.png (2243 matched stars from wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits'
Saving fully-calibrated image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits'
Preparing the HTML report for the field UMa-11-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field UMa-11-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
  
SExtractor catalog cache: saved UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.cat to cache
SExtractor catalog cache: saved UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Creating symlink local_wcs_cache/wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits exists and is non-empty
wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits exists and is non-empty
wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits exists and is non-empty
wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (1st reference image)
verification OK: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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: 11:59:59.840 +46:00:34.73 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-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits (1st new image)
verification OK: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Image size: 941.1'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 12:00:14.467 +46:01:16.08 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 11:59:59.840 +46:00:34.73
Second-epoch image center 12:00:14.467 +46:01:16.08
Angular distance between the image centers 0.0439 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits (2nd new image)
verification OK: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Image size: 941.0'x624.6'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 12:00:15.026 +46:01:54.22 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 11:59:59.840 +46:00:34.73
Second-epoch image center 12:00:15.026 +46:01:54.22
Angular distance between the image centers 0.0492 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  12:00:14.467 +46:01:16.08
Second-epoch second image center 12:00:15.026 +46:01:54.22
Angular distance between the image centers 0.01072 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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits &> /tmp/tmp.zl19atN87A
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits &> /tmp/tmp.NcVAufI7DD
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits &> /tmp/tmp.HgTVTUxscn
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits &> /tmp/tmp.Kt5Gt16GKm
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
Found non-empty wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits and wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat
The reference image (wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits) and catalog (wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat) found
'wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat' -> 'wcsmag.cat'
Read 30576 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.2087 to 191.9198 deg, Dec +39.8316 to +51.4126 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 167.2087 to 191.9198 deg, Dec 39.8316 to 51.4126 deg
Loaded 3968 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): 2678 out of 2956 total matches.
Matched with Tycho-2 2956 out of 30576 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.809300
a=0.000000 b=1.000000 c=22.809300
From vast_summary.log: estimated ref. image limiting mag.:  -6.93
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.88

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.88

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 30576 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.2087 to 191.9198 deg, Dec +39.8316 to +51.4126 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 167.2087 to 191.9198 deg, Dec 39.8316 to 51.4126 deg
Loaded 3968 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): 2678 out of 2956 total matches.
Matched with Tycho-2 2956 out of 30576 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Forced-photometry filter: calibrated wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits -> calib.txt_param_ref_wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (aperture=5.0)
Read 29946 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 167.8308 to 192.4263 deg, Dec +40.1383 to +51.2775 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 167.8308 to 192.4263 deg, Dec 40.1383 to 51.2775 deg
Loaded 3794 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): 2685 out of 2906 total matches.
Matched with Tycho-2 2906 out of 29946 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Forced-photometry filter: calibrated wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits -> calib.txt_param_ref_wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits (aperture=5.2)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 14 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
 2.3 pix  UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
 2.2 pix  fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
 2.2 pix  fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Limiting magnitude estimates:
 15.9 mag.  UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
 15.9 mag.  UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
 14.8 mag.  fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
 14.8 mag.  fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
All-image limiting magnitude estimate:  14.8 (SNR )  14.0 (80% of stars)  with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.zl19atN87A (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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits' -> 'wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS_IMAGE_NAME=wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS-calibrated image found: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
Checking if the catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits alredy exist and is non-empty...
Catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits
WCS catalog name: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=17, blended=1202, bad_region=6046, passed=30559
Got 30559 stars (including 23540 good ones) from the SExtractor catalog wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat 
util/solve_plate_with_UCAC5 got 30559 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 4812 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4801 matched stars entering correct_measured_positions(), 4801 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4801 matched stars entering correct_measured_positions(), 25840 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 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4812 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4801 matched stars entering correct_measured_positions(), 25840 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4801 matched stars entering correct_measured_positions(), 25840 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4801 stars left (next iteration limit 5281)
Stop iterations.


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

SIP_REFIT: wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits N_match=4801 sigma_overall_arcsec=0.406 sigma_q1_arcsec=0.479 sigma_q2_arcsec=0.414 sigma_q3_arcsec=0.364 sigma_q4_arcsec=0.382 n_q1=1507 n_q2=825 n_q3=1573 n_q4=896 worst_quadrant_to_overall_ratio=1.181
The image catalog is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits -region wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.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.NcVAufI7DD (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_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits' -> 'wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS_IMAGE_NAME=wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS-calibrated image found: wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
Checking if the catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits alredy exist and is non-empty...
Catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat corresponding to the image wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits
WCS catalog name: wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=14, blended=1201, bad_region=5914, passed=29932
Got 29932 stars (including 23037 good ones) from the SExtractor catalog wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat 
util/solve_plate_with_UCAC5 got 29932 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4820 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 4812 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 25389 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4820 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 25389 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Accuracy estimation diagnostic: 4812 matched stars entering correct_measured_positions(), 25389 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 4812 stars left (next iteration limit 5293)
Stop iterations.


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

SIP_REFIT: wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits N_match=4812 sigma_overall_arcsec=0.308 sigma_q1_arcsec=0.284 sigma_q2_arcsec=0.310 sigma_q3_arcsec=0.330 sigma_q4_arcsec=0.286 n_q1=1528 n_q2=884 n_q3=1509 n_q4=891 worst_quadrant_to_overall_ratio=1.072
The image catalog is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits -region wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.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.HgTVTUxscn (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS_IMAGE_NAME=wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS-calibrated image found: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Checking if the catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
WCS catalog name: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=5, blended=444, bad_region=2218, passed=16268
Got 16268 stars (including 13649 good ones) from the SExtractor catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat 
util/solve_plate_with_UCAC5 got 16268 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.1'
Seting catalog search parameters based on the expected field of view 941.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013071 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010457 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4749 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4739 matched stars entering correct_measured_positions(), 4739 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4739 matched stars entering correct_measured_positions(), 14614 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 

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 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4750 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4739 matched stars entering correct_measured_positions(), 14614 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 4739 matched stars entering correct_measured_positions(), 14614 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 4739 stars left (next iteration limit 5212)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.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=4739 robust_rms=6.414 arcsec worst_region_rms=10.684 arcsec outer_annulus_rms=10.684 arcsec
SIP_REFIT: SIP order 3 trial: matched=4739 robust_rms=0.605 arcsec worst_region_rms=0.666 arcsec outer_annulus_rms=0.630 arcsec
SIP_REFIT: SIP order 5 trial: matched=4739 robust_rms=0.442 arcsec worst_region_rms=0.517 arcsec outer_annulus_rms=0.481 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4739 robust_rms_before=1.763 arcsec robust_rms_before_corrected=0.409 arcsec robust_rms_after=0.442 arcsec worst_region_rms_before=0.468 worst_region_rms_after=0.517 outer_annulus_rms_before=1.456 outer_annulus_rms_after=0.481
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.468 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits worst_region_rms_kept=0.468 arcsec robust_rms_kept=0.409 arcsec matched=4739
WCS_QUALITY_DIAG: file=fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits N_match=4739 sigma_overall_arcsec=0.419 sigma_q1_arcsec=0.416 sigma_q2_arcsec=0.465 sigma_q3_arcsec=0.414 sigma_q4_arcsec=0.431 n_q1=1550 n_q2=699 n_q3=1643 n_q4=847 worst_quadrant_to_overall_ratio=1.110
The image catalog is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits -region wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.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.Kt5Gt16GKm (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS_IMAGE_NAME=wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS-calibrated image found: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Checking if the catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat corresponding to the image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
WCS catalog name: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=7, blended=431, bad_region=2264, passed=16481
Got 16481 stars (including 13824 good ones) from the SExtractor catalog wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat 
util/solve_plate_with_UCAC5 got 16481 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.0'
Seting catalog search parameters based on the expected field of view 941.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013069 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010456 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4742 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4728 matched stars entering correct_measured_positions(), 4729 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4728 matched stars entering correct_measured_positions(), 14790 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 

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 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4744 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4729 matched stars entering correct_measured_positions(), 14790 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 4729 matched stars entering correct_measured_positions(), 14790 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Excluding outliers - 4729 stars left (next iteration limit 5200)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.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=4729 robust_rms=6.512 arcsec worst_region_rms=11.112 arcsec outer_annulus_rms=11.112 arcsec
SIP_REFIT: SIP order 3 trial: matched=4729 robust_rms=0.585 arcsec worst_region_rms=0.676 arcsec outer_annulus_rms=0.635 arcsec
SIP_REFIT: SIP order 5 trial: matched=4729 robust_rms=0.463 arcsec worst_region_rms=0.531 arcsec outer_annulus_rms=0.493 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4729 robust_rms_before=1.699 arcsec robust_rms_before_corrected=0.420 arcsec robust_rms_after=0.463 arcsec worst_region_rms_before=0.483 worst_region_rms_after=0.531 outer_annulus_rms_before=1.327 outer_annulus_rms_after=0.493
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.483 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits worst_region_rms_kept=0.483 arcsec robust_rms_kept=0.420 arcsec matched=4729
WCS_QUALITY_DIAG: file=fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits N_match=4729 sigma_overall_arcsec=0.424 sigma_q1_arcsec=0.425 sigma_q2_arcsec=0.467 sigma_q3_arcsec=0.409 sigma_q4_arcsec=0.423 n_q1=1543 n_q2=705 n_q3=1636 n_q4=845 worst_quadrant_to_overall_ratio=1.101
The image catalog is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits -region wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.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-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Saving fully-calibrated image wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/wcs_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits
Preparing the HTML report for the field UMa-11-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits at 12:10:06.15 +48:31:33.5:  13.52 +/- 0.03  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits at 11:49:59.97 +44:42:13.4:  13.89 +/- 0.04  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits at 11:28:58.45 +48:14:42.4:  13.76 +/- 0.05  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-02-22_01-00-38_20.00sec_-15.00C_LIGHT_0308.fits at 12:20:01.40 +43:37:46.5:  12.93 +/- 0.02  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits at 12:10:06.15 +48:31:33.5:  13.42 +/- 0.03  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits at 12:20:01.40 +43:37:46.5:  12.91 +/- 0.02  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits at 11:49:59.97 +44:42:13.4:  13.69 +/- 0.03  detection
Forced photometry on wcs_UMa-11-Q2b1x1_2026-03-20_01-06-07_20.00sec_-14.90C_LIGHT_0256.fits at 11:28:58.45 +48:14:42.4:  13.58 +/- 0.04  detection
Forced photometry reference-image weighted average:  13.46 +/- 0.02
Forced photometry reference-image weighted average:  12.92 +/- 0.01
Forced photometry reference-image weighted average:  13.66 +/- 0.03
Forced photometry reference-image weighted average:  13.77 +/- 0.03
Forced photometry filter REJECTED candidate at 12:10:06.15 +48:31:33.5: ref_mag=13.46 +/- 0.02 new_mean_mag=13.5073 delta=-0.05 (need > 0.90)
Forced photometry filter REJECTED candidate at 11:28:58.45 +48:14:42.4: ref_mag=13.66 +/- 0.03 new_mean_mag=13.5160 delta=0.14 (need > 0.90)
Forced photometry filter REJECTED candidate at 12:20:01.40 +43:37:46.5: ref_mag=12.92 +/- 0.01 new_mean_mag=13.0011 delta=-0.08 (need > 0.90)
Forced photometry filter REJECTED candidate at 11:49:59.97 +44:42:13.4: ref_mag=13.77 +/- 0.03 new_mean_mag=13.8651 delta=-0.10 (need > 0.90)
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 52517_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52517_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 1     2026 10 06.45249    2461319.95249    13.85    11:50:00.01 +44:42:12.8   3670 2445   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Discovery image 2     2026 10 06.45315    2461319.95315    13.89    11:49:59.92 +44:42:13.9   3668 2439   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

  
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Considering the candidate 52521_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52521_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    13.39    11:56:57.63 +49:29:52.4   4525 5300   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:56:57.74 +49:29:52.3 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52539_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52539_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    11.70    11:22:38.66 +43:28:31.8   0616 1989   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:22:38.69 +43:28:31.8 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 52545_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52545_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    11.76    12:19:34.44 +49:00:00.4   6756 5002   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  12:19:34.44 +49:00:00.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52546_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52546_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    11.86    11:45:44.96 +47:47:42.8   3351 4332   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:45:44.96 +47:47:43.0 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 52560_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52560_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    12.18    11:37:32.87 +44:41:53.0   2332 2537   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:37:32.87 +44:41:53.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52646_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52646_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 1     2026 10 06.45249    2461319.95249    12.98    12:20:01.45 +43:37:46.8   6909 1762   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Discovery image 2     2026 10 06.45315    2461319.95315    13.03    12:20:01.36 +43:37:46.1   6908 1756   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

  
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Considering the candidate 52679_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52679_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    13.28    12:15:50.91 +47:05:37.8   6409 3836   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

Rejecting candidate due to large distance (10.4") between the two second-epoch detections
  
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Considering the candidate 52692_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52692_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 1     2026 10 06.45249    2461319.95249    13.65    11:28:58.42 +48:14:43.1   1682 4782   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Discovery image 2     2026 10 06.45315    2461319.95315    13.43    11:28:58.48 +48:14:41.7   1681 4776   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

  
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Considering the candidate 52697_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52697_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 1     2026 10 06.45249    2461319.95249    13.48    12:10:06.18 +48:31:33.2   5817 4699   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-51-25_20.00sec_-0.00C_LIGHT_0576.fits
Discovery image 2     2026 10 06.45315    2461319.95315    13.53    12:10:06.12 +48:31:33.9   5816 4692   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

  
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Considering the candidate 52698_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52698_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    13.54    11:56:59.93 +49:29:56.8   4529 5301   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:56:59.98 +49:29:56.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52722_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52722_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    13.55    11:37:19.94 +46:07:34.3   2396 3400   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:37:19.95 +46:07:33.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52729_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 52729_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 2     2026 10 06.45315    2461319.95315    13.88    11:51:59.73 +45:39:04.9   3913 2999   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  11:51:59.62 +45:39:04.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 17345_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577
The candidate 17345_fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577 did not pass the final checks
Discovery image 3     2026 10 06.45315    2461319.95315    11.92    12:15:51.29 +47:06:19.5   6409 3843   /data_ssd/NMW-TexasTech/workdir//img_2026-10-06_CI_UMa-11-Q2b1x1_082817_TTUQ2b1x1_3761500_Zl9VyBHh/fd_UMa-11-Q2b1x1_2026-10-06_05-52-22_20.00sec_0.00C_LIGHT_0577.fits

**** FOUND  12:15:51.30 +47:06:19.5 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-11-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed UMa-11-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461319.95249214 -observatory V36
14:16:09.91 -16:08:26.6 Mercury (-0.0mag)
14:11:56.08 -21:10:47.6 Venus (-4.7mag)
08:28:18.64 +20:13:15.7 Mars (1.1mag)
09:31:06.19 +15:20:19.7 Jupiter (-1.9mag)
00:43:52.05 +01:45:56.2 Saturn (0.3mag)
04:12:33.20 +20:59:09.7 Uranus (5.6mag)
00:10:49.99 -00:22:28.2 Neptune (7.7mag)
20:24:15.35 -23:43:26.8 Pluto (14.5mag)
09:35:35.66 +14:56:38.1 Moon (-9.4mag)
-rw-r--r-- 1 apache apache 362 Oct  7 02:35 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461319.95249214:
09:31:03.46 +15:20:35.4 Io (6.1mag)
09:30:56.89 +15:21:10.5 Europa (6.2mag)
09:31:09.73 +15:20:00.4 Ganymede (5.6mag)
09:31:00.05 +15:20:53.6 Callisto (6.9mag)
09:30:29.07 +15:41:50.4 Himalia (15.6mag)
09:31:07.78 +15:20:11.8 Thebe (16.5mag)
09:29:27.89 +15:40:45.2 Elara (17.5mag)
09:33:50.01 +14:43:03.1 Pasiphae (17.8mag)
09:30:03.70 +15:46:08.0 Carme (18.9mag)
00:44:00.27 +01:46:00.5 Titan (8.2mag)
00:43:56.51 +01:45:43.9 Rhea (9.6mag)
00:43:14.30 +01:43:24.4 Iapetus (11.0mag)
00:43:47.91 +01:46:16.8 Hyperion (14.1mag)
00:42:14.26 +01:33:45.3 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct  7 02:35 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461319.95249214:
02:14:05.75 +21:03:57.2 JWST
17:50:44.69 +31:33:05.6 Chandra
07:09:22.10 -10:44:32.9 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct  7 02:35 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461319.95249214 -observatory V36
03:47:13.28 +20:09:58.7 17.1mag P/1996 R2 (Lagerkvist)
18:20:28.79 -33:36:42.7 14.7mag P/2010 H2 (Vales)
07:37:39.57 -72:04:44.3 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:16:19.70 +34:30:26.4 17.7mag C/2017 K2 (PANSTARRS)
05:02:42.52 +48:18:13.0 16.9mag P/2021 N1 (ZTF)
07:28:06.29 +25:30:46.0 16.9mag C/2022 N2 (PANSTARRS)
08:59:25.48 +35:10:02.3 16.1mag C/2024 E1 (Wierzchos)
18:26:00.30 +41:45:17.8 17.4mag C/2024 J3 (ATLAS)
05:45:43.05 -13:31:15.3 16.7mag C/2024 T5 (ATLAS)
12:07:59.17 +16:24:07.3 16.3mag C/2025 V2 (Rankin)
13:46:03.99 -02:18:24.1 16.6mag C/2025 Y1 (ATLAS)
18:22:27.34 +67:03:15.9 16.0mag C/2026 A2 (Bok)
02:41:35.73 +43:57:03.4 17.8mag C/2026 B2 (Sun-Gao)
12:40:54.81 +13:46:44.9 17.7mag A/2026 E1
00:38:46.00 +19:37:04.4 17.7mag 2P/Encke
22:52:56.82 -32:43:05.4 14.3mag 10P/Tempel
02:03:48.92 +39:21:51.3 16.8mag 11P/Tempel-Swift-LINEAR
12:07:54.84 -07:45:40.2 16.3mag 29P/Schwassmann-Wachmann
00:25:39.48 -08:42:02.0 15.5mag 65P/Gunn
07:28:57.18 +16:32:07.2 13.8mag 78P/Gehrels
03:04:42.15 +14:33:40.2 17.5mag 88P/Howell
07:20:54.49 +38:47:37.7 17.1mag 112P/Urata-Niijima
08:50:51.76 +15:53:15.2 17.8mag 114P/Wiseman-Skiff
11:30:48.69 +14:23:25.6 14.8mag 123P/West-Hartley
13:54:25.77 -30:47:03.6 17.8mag 124P/Mrkos
06:47:07.70 +19:31:22.2 15.7mag 128P/Shoemaker-Holt
23:35:50.24 +00:27:39.4 17.2mag 139P/Vaisala-Oterma
22:26:27.06 -01:02:50.8 9.5mag 161P/Hartley-IRAS
10:08:17.40 +35:42:36.4 16.8mag 162P/Siding Spring
10:06:18.56 +02:51:37.4 13.8mag 169P/NEAT
03:31:32.13 +05:13:41.7 14.7mag 220P/McNaught
05:55:20.17 +44:06:47.3 15.3mag 260P/McNaught
07:19:35.47 +25:45:53.2 18.0mag 266P/Christensen
09:51:09.38 +31:56:22.3 18.0mag 493P/LONEOS
-rw-r--r-- 1 apache apache 1.7K Oct  7 02:35 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
08:07:27.96 -65:51:03.90  ASASSN-26fi  2026-10-1.36 15.82
21:02:34.66 +23:57:26.20  ASASSN-26fh  2026-10-1.27 15.94
20:00:16.62 +03:26:29.90  AT2026adfv  2026-10-1.3 16.42
00:08:42.74 -32:33:16.50  SN2026abhc  2026-09-29.15 15.57
21:02:30.26 -19:27:41.80  SN2026acxa  2026-09-29.13 14.65
04:39:17.45 -28:06:12.40  ASASSN-26fg  2026-09-23.25 15.73
05:25:07.80 +04:38:32.40  SN2026aajs  2026-09-21.32 17.04
19:56:12.67 +08:25:27.70  AT2026acgs  2026-09-18.14 15.84
00:02:34.07 +52:55:19.10  ASASSN-26ff  2026-09-16.43 15.37
23:44:33.18 +17:46:12.20  SN2026yjv  2026-09-15.38 18.32
16:21:12.24 +57:37:51.30  SN 2026aafh  2026-09-14.11 15.02
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi  2026-09-12.99 16.58
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs  2026-09-13.47 17
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars  2026-09-12.27 16.93
02:47:25.52 -32:58:34.50  SN 2026znh  2026-09-9.92 16.26
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.64 +34:24:35.00  SN2026aaiv  2026-09-7.25 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.79 -22:25:29.10  V8055  2026-08-30 10.76
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.89 +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
-rw-r--r-- 1 apache apache 5.7K Oct  7 02:35 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
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
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
-rw-r--r-- 1 apache apache 191K Oct  7 02:35 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
01:46:09.770 +02:02:13.34  AT 2026ackj  2026-09-08.84 21.46
02:11:53.030 -00:12:10.30  AT 2026acki  2026-09-08.84 22.54
01:14:19.450 +04:46:52.92  AT 2026ackh  2026-09-08.83 22.2
01:01:48.240 +03:30:17.04  AT 2026ackg  2026-09-10.76 22.36
02:11:13.220 +00:36:17.37  AT 2026ackf  2026-09-08.84 21.43
02:31:53.457 +02:19:06.32  AT 2026acke  2026-08-28.80 20.73
02:24:11.420 -00:13:18.77  AT 2026ackd  2026-09-08.91 22.92
01:03:59.810 +06:15:19.53  AT 2026ackc  2026-08-21.84 22.54
18:57:17.643 +41:09:07.56  AT 2026ackb  2026-09-19.18 19.9818
22:02:16.323 +39:49:46.54  SN 2026acka  2026-09-20.19 18.637
02:08:19.378 -07:08:21.59  AT 2026acjz  2026-09-19.75 20.07
00:49:35.044 -04:36:08.99  AT 2026acjy  2026-09-10.58 20.1
07:54:16.503 +20:01:25.42  SN 2026acjx  2026-09-20.25 19.11
07:47:22.677 +17:49:24.51  AT 2026acjw  2026-09-20.25 18.31
22:00:52.012 +34:22:25.34  AT 2026acjv  2026-09-15.94 19.87
22:53:42.463 -03:35:19.51  AT 2026acju  2026-09-15.01 20
19:36:24.152 -58:11:10.48  AT 2026acjt  2026-09-19.39 19.5
18:54:32.379 -62:51:31.29  SN 2026acjs  2026-09-20.40 17.87
21:58:21.903 +22:26:56.46  AT 2026acjr  2026-09-18.29 19.9649
16:30:23.245 +26:31:29.53  AT 2026acjq  2026-09-15.18 19.7488
-rw-r--r-- 1 apache apache 89K Oct  7 02:35 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Wed Oct  7 02:35:13 CDT 2026
=======================================
TIMING SExtractor: 3 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: 4s (0.07 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 22s (0.37 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 5s (0.08 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 34s (0.57 min)
TIMING SExtractor: 9 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 12s (0.20 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 0s (0.00 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 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: 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-11-Q2b1x1: 70s (1.17 min)
=======================================
TOTAL_RUNTIME: 73s (1.22 min)
Finished: Wed Oct  7 02:36:26 CDT 2026