FITS images used in this processing run:

Field UMa-01-Q1b1x1 reference image: UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Field UMa-01-Q1b1x1 reference image: UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Field UMa-01-Q1b1x1 second-epoch image: UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Field UMa-01-Q1b1x1 second-epoch image: UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
First image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Last  image: 2461320.78793543 07.10.2026 06:54:27.621   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 5
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.28
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: 19 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):  8706
Objects passed selection criteria:  8693
Measurements per detected object (mean, median, min, max):    3.5    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.5    4.0    2    4
Average stars detected per image: 7865.5
Average stars matched: 7642.5 (97.1648 %)
Memory usage VmPeak:   234544 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 10:57:43 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
First image: 2461082.79736027 11.02.2026 07:08:01.927   /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Last  image: 2461320.78793543 07.10.2026 06:54:27.621   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 21
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.01
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: 94 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):  49208
Objects passed selection criteria:  49076
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: 41636.5
Average stars matched: 40069.5 (96.2365 %)
Memory usage VmPeak:   269976 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 11:00:57 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-1 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ1b1x1/TTUQ1_bad_region.lst
CAMERA_SETTINGS= TTUQ1b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ1b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ1.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ1b1x1/flats
FRAME_EDGE_OFFSET_PIX= 100
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
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-01-Q1b1x1
#######################################
########### Starting UMa-01-Q1b1x1 ###########
Processing UMa-01-Q1b1x1
server tau has sufficient free disk space available: 1208409 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 1208409 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.png' -> 'transient_report/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits_preview.png'

UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits


renamed 'UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.png' -> 'transient_report/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits_preview.png'

UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits




Read-check the input FITS images... read-check OK
Blank image check the input FITS images... blank-image-check OK
Read date check the input FITS images... read-date-check OK
Mean value check the input FITS images... OK, at least two new images have mean values below the threshold.
----------------------------------------------
INFO: REFERENCE_EPOCH__FIRST_IMAGE_MEAN_VALUE= 533.1221
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 561.4736
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1307.4030
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 541.4597
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1306.8672
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 539.6870
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 2.45235
INFO:                  SECOND_EPOCH__SD_ratio= 0.003
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     18.2900009155273 / [degC] Focuser temperature
AMBTEMP =                 17.0 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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= '2026-10-07T01:52:50.3083285' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-07T06:52:50.3083285' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61320.2866933797 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-07T06:53:00.2112536' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61320.2868079976 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-33d3d743814b8b447' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                  0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU1'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     143.998771545911 / [deg] RA of telescope" status=0
Record 32: "DEC     =     70.0002025928429 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     20.3808333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     16.9738888888889 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.85105923633154 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 36 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+70 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                29489 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29489 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     18.2900009155273 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     18.2900009155273 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 12.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 75.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                902.3 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 17.0 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 13.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=                  0.0 / [kph] Wind gust" status=0
Record 61: "WINDSPD =                  0.0 / [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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/d_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits :)

Spent 0.870834 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/d_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     18.2900009155273 / [degC] Focuser temperature
AMBTEMP =                 17.0 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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= '2026-10-07T01:54:27.6219168' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-07T06:54:27.6219168' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61320.2878196873 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-07T06:54:37.5272479' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61320.2879343401 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-33d3d743814b8b447' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                  0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU1'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     143.998771262981 / [deg] RA of telescope" status=0
Record 32: "DEC     =      70.000202664104 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     20.4802777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     17.0802777777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.83802548007617 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 36 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+70 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                29489 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29489 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     18.2900009155273 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     18.2900009155273 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 12.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 75.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=                902.3 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 17.0 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 13.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=                  0.0 / [kph] Wind gust" status=0
Record 61: "WINDSPD =                  0.0 / [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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/d_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits :)

Spent 0.936095 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/d_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits



fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits




Updating neverexclude_list.txt
'/var/www/nmw_calibration/neverexclude_list.txt' -> './neverexclude_list.txt'
Choosing bad regions list
'/var/www/nmw_calibration/TTUQ1b1x1/TTUQ1_bad_region.lst' -> 'bad_region.lst'
wait
*------ default.sex.telephoto_lens_onlybrightstars_v1 ------*
'default.sex.telephoto_lens_onlybrightstars_v1' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_onlybrightstars_v1

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
  
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.cat to cache
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_onlybrightstars_v1
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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: 2461320.78680912
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits exists and is non-empty
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (1st reference image)
verification OK: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Image size: 941.6'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: 09:36:20.346 +69:59:16.26 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits (1st new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Image size: 942.4'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:35:48.612 +70:01:29.15 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:36:20.346 +69:59:16.26
Second-epoch image center 09:35:48.612 +70:01:29.15
Angular distance between the image centers 0.0584 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits (2nd new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Image size: 942.4'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:35:46.558 +70:00:48.23 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:36:20.346 +69:59:16.26
Second-epoch image center 09:35:46.558 +70:00:48.23
Angular distance between the image centers 0.0545 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  09:35:48.612 +70:01:29.15
Second-epoch second image center 09:35:46.558 +70:00:48.23
Angular distance between the image centers 0.01174 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits &> /tmp/tmp.qrVCYQDgiI
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits &> /tmp/tmp.aUAYKVVFMc
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits &> /tmp/tmp.2Y3hteCHD2
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits &> /tmp/tmp.hUagfDN9NP
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat
The reference image (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits) and catalog (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat) found
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat' -> 'wcsmag.cat'
Read 8779 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0324 to 171.9972 deg, Dec +62.9079 to +75.4793 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 117.0324 to 171.9972 deg, Dec 62.9079 to 75.4793 deg
Loaded 9306 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): 5117 out of 5413 total matches.
Matched with Tycho-2 5413 out of 8779 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.870000
a=0.000000 b=1.000000 c=22.870000
From vast_summary.log: estimated ref. image limiting mag.:  -7.28
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.59

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.59

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 8779 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0324 to 171.9972 deg, Dec +62.9079 to +75.4793 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 117.0324 to 171.9972 deg, Dec 62.9079 to 75.4793 deg
Loaded 9306 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): 5117 out of 5413 total matches.
Matched with Tycho-2 5413 out of 8779 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits via Tycho-2

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


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (aperture=6.1)
Read 8894 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 117.0326 to 171.9963 deg, Dec +62.9079 to +75.4793 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 117.0326 to 171.9963 deg, Dec 62.9079 to 75.4793 deg
Loaded 9306 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): 5133 out of 5416 total matches.
Matched with Tycho-2 5416 out of 8894 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits via Tycho-2

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


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (aperture=6.1)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 5 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 2.1 pix  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 3.1 pix  fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
 3.1 pix  fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Limiting magnitude estimates:
 15.6 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 15.6 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 14.7 mag.  fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
 14.7 mag.  fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
All-image limiting magnitude estimate:  14.7 (SNR )  12.0 (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.qrVCYQDgiI (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=680, bad_region=0, passed=8779
Got 8779 stars (including 8092 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
util/solve_plate_with_UCAC5 got 8779 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (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 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 4886 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8779 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4886 stars left (next iteration limit 5374)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits N_match=4886 sigma_overall_arcsec=0.367 sigma_q1_arcsec=0.507 sigma_q2_arcsec=0.349 sigma_q3_arcsec=0.377 sigma_q4_arcsec=0.300 n_q1=1067 n_q2=1443 n_q3=1095 n_q4=1281 worst_quadrant_to_overall_ratio=1.381
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.aUAYKVVFMc (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=664, bad_region=0, passed=8894
Got 8894 stars (including 8220 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
util/solve_plate_with_UCAC5 got 8894 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (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 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4892 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 4886 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.9 to 75.5)
Done reading UCAC5 zone files...
Matched 4892 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 8894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 4886 stars left (next iteration limit 5374)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits N_match=4886 sigma_overall_arcsec=0.368 sigma_q1_arcsec=0.498 sigma_q2_arcsec=0.347 sigma_q3_arcsec=0.363 sigma_q4_arcsec=0.309 n_q1=1066 n_q2=1431 n_q3=1117 n_q4=1272 worst_quadrant_to_overall_ratio=1.353
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.2Y3hteCHD2 (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=318, bad_region=0, passed=6970
Got 6970 stars (including 6646 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat 
util/solve_plate_with_UCAC5 got 6970 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 942.4'
Seting catalog search parameters based on the expected field of view 942.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013089 (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 0.010471 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4891 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 4885 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 6970 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 6970 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4884 matched stars entering correct_measured_positions(), 6970 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4884 stars left (next iteration limit 5373)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4884 robust_rms=12.831 arcsec worst_region_rms=25.374 arcsec outer_annulus_rms=25.374 arcsec
SIP_REFIT: SIP order 3 trial: matched=4884 robust_rms=0.621 arcsec worst_region_rms=0.807 arcsec outer_annulus_rms=0.807 arcsec
SIP_REFIT: SIP order 5 trial: matched=4884 robust_rms=0.526 arcsec worst_region_rms=0.658 arcsec outer_annulus_rms=0.573 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4884 robust_rms_before=1.181 arcsec robust_rms_before_corrected=0.376 arcsec robust_rms_after=0.526 arcsec worst_region_rms_before=0.480 worst_region_rms_after=0.658 outer_annulus_rms_before=1.410 outer_annulus_rms_after=0.573
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.480 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits worst_region_rms_kept=0.480 arcsec robust_rms_kept=0.376 arcsec matched=4884
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits N_match=4884 sigma_overall_arcsec=0.381 sigma_q1_arcsec=0.408 sigma_q2_arcsec=0.464 sigma_q3_arcsec=0.313 sigma_q4_arcsec=0.379 n_q1=1294 n_q2=952 n_q3=1546 n_q4=1092 worst_quadrant_to_overall_ratio=1.218
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits -region wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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.hUagfDN9NP (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=339, bad_region=0, passed=7001
Got 7001 stars (including 6652 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat 
util/solve_plate_with_UCAC5 got 7001 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 942.4'
Seting catalog search parameters based on the expected field of view 942.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013089 (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 0.010471 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 4885 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 7001 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.4 to 75.3)
Done reading UCAC5 zone files...
Matched 4889 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4883 matched stars entering correct_measured_positions(), 7001 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4883 matched stars entering correct_measured_positions(), 7001 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4883 stars left (next iteration limit 5373)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4883 robust_rms=13.004 arcsec worst_region_rms=25.342 arcsec outer_annulus_rms=25.342 arcsec
SIP_REFIT: SIP order 3 trial: matched=4883 robust_rms=0.643 arcsec worst_region_rms=0.827 arcsec outer_annulus_rms=0.827 arcsec
SIP_REFIT: SIP order 5 trial: matched=4883 robust_rms=0.518 arcsec worst_region_rms=0.685 arcsec outer_annulus_rms=0.606 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4883 robust_rms_before=1.174 arcsec robust_rms_before_corrected=0.371 arcsec robust_rms_after=0.518 arcsec worst_region_rms_before=0.496 worst_region_rms_after=0.685 outer_annulus_rms_before=1.410 outer_annulus_rms_after=0.606
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.496 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits worst_region_rms_kept=0.496 arcsec robust_rms_kept=0.371 arcsec matched=4883
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits N_match=4883 sigma_overall_arcsec=0.375 sigma_q1_arcsec=0.382 sigma_q2_arcsec=0.446 sigma_q3_arcsec=0.328 sigma_q4_arcsec=0.379 n_q1=1290 n_q2=954 n_q3=1541 n_q4=1098 worst_quadrant_to_overall_ratio=1.189
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits -region wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits to local_wcs_cache/
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits'
Saving the final (post-refit) wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits to local_wcs_cache/
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits'
Saving the final (post-refit) wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits to local_wcs_cache/
'wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits' -> 'local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits'
Saving the final (post-refit) wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits to local_wcs_cache/
'wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits' -> 'local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits sigma_overall=0.367 worst_q_ratio=1.381
ref2=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits sigma_overall=0.368 worst_q_ratio=1.353
new1=fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits sigma_overall=0.381 worst_q_ratio=1.218
new2=fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits sigma_overall=0.375 worst_q_ratio=1.189
reference average sigma_overall=0.3675 worst_q_ratio=1.367
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292_astrometric_residuals.png (4886 matched stars from wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.33 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293_astrometric_residuals.png (4886 matched stars from wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.32 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330_astrometric_residuals.png (4884 matched stars from wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331_astrometric_residuals.png (4883 matched stars from wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits'
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits'
Preparing the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 09:36:04.20 +70:18:12.9:  12.31 +/- 0.01  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 09:36:04.20 +70:18:12.9:  12.33 +/- 0.01  detection
Forced photometry reference-image weighted average:  12.32 +/- 0.01
Forced photometry filter REJECTED candidate at 09:36:04.20 +70:18:12.9: ref_mag=12.32 +/- 0.01 new_mean_mag=12.2562 delta=0.07 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 3s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 20513_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 20513_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    12.19    08:29:16.50 +71:43:55.7   1607 4493   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:29:16.50 +71:43:55.4 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 20836_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 20836_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    12.26    09:36:04.11 +70:18:12.6   4793 3363   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    12.26    09:36:04.28 +70:18:13.1   4795 3370   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 20838_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 20838_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    12.29    09:34:45.55 +74:08:33.2   4617 5679   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  09:34:45.41 +74:08:32.9 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 04047_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 04047_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    8.08    10:44:37.93 +68:46:32.2   8513 3176   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  10:44:37.90 +68:46:32.5 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 01377_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 01377_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    11.17    10:55:40.04 +71:52:08.3   8388 5130   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  10:55:40.00 +71:52:08.4 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 1s
make_report_in_HTML.sh TOTAL: 4s
Prepared the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
  
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.cat to cache
SExtractor catalog cache: saved UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Creating symlink local_wcs_cache/wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits exists and is non-empty
wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits exists and is non-empty
wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (1st reference image)
verification OK: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Image size: 941.6'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: 09:36:20.346 +69:59:16.26 J2000 4789.000 3195.000 
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits (1st new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Image size: 942.4'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:35:48.612 +70:01:29.15 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:36:20.346 +69:59:16.26
Second-epoch image center 09:35:48.612 +70:01:29.15
Angular distance between the image centers 0.0584 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits (2nd new image)
verification OK: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Image size: 942.4'x627.0'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:35:46.558 +70:00:48.23 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:36:20.346 +69:59:16.26
Second-epoch image center 09:35:46.558 +70:00:48.23
Angular distance between the image centers 0.0545 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  09:35:48.612 +70:01:29.15
Second-epoch second image center 09:35:46.558 +70:00:48.23
Angular distance between the image centers 0.01174 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits &> /tmp/tmp.ASKVPMinWG
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits &> /tmp/tmp.n2BUpVh0dg
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits &> /tmp/tmp.AiyOQ0ZsYL
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits &> /tmp/tmp.PWguYeqhhP
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Found non-empty wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits and wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat
The reference image (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits) and catalog (wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat) found
'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat' -> 'wcsmag.cat'
Read 51532 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.7731 to 172.6868 deg, Dec +62.8119 to +75.4848 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 116.7731 to 172.6868 deg, Dec 62.8119 to 75.4848 deg
Loaded 9545 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4865 out of 5490 total matches.
Matched with Tycho-2 5490 out of 51532 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.754400
a=0.000000 b=1.000000 c=22.754400
From vast_summary.log: estimated ref. image limiting mag.:  -7.01
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.74

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.74

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 51532 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.7731 to 172.6868 deg, Dec +62.8119 to +75.4848 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 116.7731 to 172.6868 deg, Dec 62.8119 to 75.4848 deg
Loaded 9545 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4865 out of 5490 total matches.
Matched with Tycho-2 5490 out of 51532 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits via Tycho-2

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


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (aperture=4.7)
Read 51887 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.6991 to 172.5281 deg, Dec +62.8124 to +75.4915 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 116.6991 to 172.5281 deg, Dec 62.8124 to 75.4915 deg
Loaded 9544 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4853 out of 5491 total matches.
Matched with Tycho-2 5491 out of 51887 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits via Tycho-2

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


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Forced-photometry filter: calibrated wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -> calib.txt_param_ref_wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (aperture=4.7)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 17 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 1.9 pix  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 1.9 pix  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 3.0 pix  fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
 2.9 pix  fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Limiting magnitude estimates:
 15.7 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
 15.8 mag.  UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
 14.9 mag.  fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
 14.9 mag.  fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
All-image limiting magnitude estimate:  14.9 (SNR )  14.1 (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.ASKVPMinWG (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=13, blended=2624, bad_region=3, passed=51519
Got 51519 stars (including 48797 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat 
util/solve_plate_with_UCAC5 got 51519 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (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 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4895 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 4894 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4895 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4894 matched stars entering correct_measured_positions(), 51519 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Excluding outliers - 4894 stars left (next iteration limit 5383)
Stop iterations.


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

SIP_REFIT: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits is a symbolic link - 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-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits N_match=4894 sigma_overall_arcsec=0.349 sigma_q1_arcsec=0.496 sigma_q2_arcsec=0.330 sigma_q3_arcsec=0.350 sigma_q4_arcsec=0.286 n_q1=1073 n_q2=1412 n_q3=1115 n_q4=1294 worst_quadrant_to_overall_ratio=1.422
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.n2BUpVh0dg (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits' -> 'wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS_IMAGE_NAME=wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS-calibrated image found: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
Checking if the catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits alredy exist and is non-empty...
Catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat corresponding to the image wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits
WCS catalog name: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=24, blended=2687, bad_region=5, passed=51863
Got 51863 stars (including 49074 good ones) from the SExtractor catalog wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat 
util/solve_plate_with_UCAC5 got 51863 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (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 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4897 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 4896 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 764 to 829 (Dec 62.8 to 75.5)
Done reading UCAC5 zone files...
Matched 4897 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 51863 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4896 stars left (next iteration limit 5385)
Stop iterations.


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

SIP_REFIT: wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits is a symbolic link - 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-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits N_match=4896 sigma_overall_arcsec=0.345 sigma_q1_arcsec=0.469 sigma_q2_arcsec=0.325 sigma_q3_arcsec=0.340 sigma_q4_arcsec=0.303 n_q1=1092 n_q2=1397 n_q3=1115 n_q4=1292 worst_quadrant_to_overall_ratio=1.361
The image catalog is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits -region wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.AiyOQ0ZsYL (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=14, blended=1229, bad_region=47, passed=32048
Got 32048 stars (including 30745 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat 
util/solve_plate_with_UCAC5 got 32048 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 942.4'
Seting catalog search parameters based on the expected field of view 942.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013089 (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 0.010471 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.3 to 75.3)
Done reading UCAC5 zone files...
Matched 4889 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 4886 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 32048 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 766 to 828 (Dec 63.3 to 75.3)
Done reading UCAC5 zone files...
Matched 4889 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 32048 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4886 matched stars entering correct_measured_positions(), 32048 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4886 stars left (next iteration limit 5374)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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=4886 robust_rms=12.655 arcsec worst_region_rms=25.866 arcsec outer_annulus_rms=25.866 arcsec
SIP_REFIT: SIP order 3 trial: matched=4886 robust_rms=0.627 arcsec worst_region_rms=0.811 arcsec outer_annulus_rms=0.811 arcsec
SIP_REFIT: SIP order 5 trial: matched=4886 robust_rms=0.526 arcsec worst_region_rms=0.655 arcsec outer_annulus_rms=0.572 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4886 robust_rms_before=1.178 arcsec robust_rms_before_corrected=0.377 arcsec robust_rms_after=0.526 arcsec worst_region_rms_before=0.478 worst_region_rms_after=0.655 outer_annulus_rms_before=1.397 outer_annulus_rms_after=0.572
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.478 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits worst_region_rms_kept=0.478 arcsec robust_rms_kept=0.377 arcsec matched=4886
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits N_match=4886 sigma_overall_arcsec=0.378 sigma_q1_arcsec=0.412 sigma_q2_arcsec=0.457 sigma_q3_arcsec=0.317 sigma_q4_arcsec=0.380 n_q1=1309 n_q2=922 n_q3=1553 n_q4=1102 worst_quadrant_to_overall_ratio=1.209
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits -region wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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.PWguYeqhhP (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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS_IMAGE_NAME=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS-calibrated image found: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Checking if the catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat corresponding to the image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
WCS catalog name: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=13, blended=1229, bad_region=48, passed=32323
Got 32323 stars (including 31004 good ones) from the SExtractor catalog wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat 
util/solve_plate_with_UCAC5 got 32323 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 942.4'
Seting catalog search parameters based on the expected field of view 942.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013089 (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 0.010471 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.3 to 75.3)
Done reading UCAC5 zone files...
Matched 4886 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 4885 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 32323 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 766 to 828 (Dec 63.3 to 75.3)
Done reading UCAC5 zone files...
Matched 4886 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 32323 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4885 matched stars entering correct_measured_positions(), 32323 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4885 stars left (next iteration limit 5373)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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=4885 robust_rms=12.879 arcsec worst_region_rms=25.613 arcsec outer_annulus_rms=25.613 arcsec
SIP_REFIT: SIP order 3 trial: matched=4885 robust_rms=0.640 arcsec worst_region_rms=0.834 arcsec outer_annulus_rms=0.834 arcsec
SIP_REFIT: SIP order 5 trial: matched=4885 robust_rms=0.516 arcsec worst_region_rms=0.683 arcsec outer_annulus_rms=0.603 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4885 robust_rms_before=1.172 arcsec robust_rms_before_corrected=0.370 arcsec robust_rms_after=0.516 arcsec worst_region_rms_before=0.486 worst_region_rms_after=0.683 outer_annulus_rms_before=1.402 outer_annulus_rms_after=0.603
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.486 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits worst_region_rms_kept=0.486 arcsec robust_rms_kept=0.370 arcsec matched=4885
WCS_QUALITY_DIAG: file=fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits N_match=4885 sigma_overall_arcsec=0.371 sigma_q1_arcsec=0.378 sigma_q2_arcsec=0.429 sigma_q3_arcsec=0.325 sigma_q4_arcsec=0.377 n_q1=1296 n_q2=937 n_q3=1555 n_q4=1097 worst_quadrant_to_overall_ratio=1.155
The image catalog is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits -region wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Saving fully-calibrated image wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.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_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Preparing the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 08:47:10.69 +70:11:13.5:  14.41 +/- 0.08  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 09:34:45.09 +69:51:30.4:  13.61 +/- 0.04  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 07:58:12.44 +73:18:05.7:  14.90 +/- 0.16  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 10:45:46.44 +69:03:30.3:  14.00 +/- 0.05  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 08:49:59.69 +70:18:00.6:  13.56 +/- 0.03  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 10:45:46.44 +69:03:30.3:  13.96 +/- 0.05  detection
Forced photometry reference-image weighted average:  13.98 +/- 0.04
Forced photometry filter REJECTED candidate at 10:45:46.44 +69:03:30.3: ref_mag=13.98 +/- 0.04 new_mean_mag=13.9461 delta=0.03 (need > 0.90)
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 08:47:10.69 +70:11:13.5:  14.32 +/- 0.07  detection
Forced photometry reference-image weighted average:  14.36 +/- 0.05
Forced photometry filter REJECTED candidate at 08:47:10.69 +70:11:13.5: ref_mag=14.36 +/- 0.05 new_mean_mag=14.4003 delta=-0.04 (need > 0.90)
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 09:34:45.09 +69:51:30.4:  13.63 +/- 0.04  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 07:58:12.44 +73:18:05.7:  15.21 +/- 0.21  detection
Forced photometry reference-image weighted average:  15.02 +/- 0.13
Forced photometry filter REJECTED candidate at 07:58:12.44 +73:18:05.7: ref_mag=15.02 +/- 0.13 new_mean_mag=14.5467 delta=0.47 (need > 0.90)
Forced photometry reference-image weighted average:  13.62 +/- 0.03
Forced photometry filter REJECTED candidate at 09:34:45.09 +69:51:30.4: ref_mag=13.62 +/- 0.03 new_mean_mag=13.5087 delta=0.11 (need > 0.90)
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-01_20.00sec_-15.00C_LIGHT_0292.fits at 08:23:58.60 +71:09:05.1:  14.80 +/- 0.13  detection
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 08:49:59.69 +70:18:00.6:  13.60 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.58 +/- 0.02
Forced photometry filter REJECTED candidate at 08:49:59.69 +70:18:00.6: ref_mag=13.58 +/- 0.02 new_mean_mag=13.4531 delta=0.13 (need > 0.90)
Forced photometry on wcs_UMa-01-Q1b1x1_2026-02-11_01-08-51_20.00sec_-15.00C_LIGHT_0293.fits at 08:23:58.60 +71:09:05.1:  14.81 +/- 0.13  detection
Forced photometry reference-image weighted average:  14.80 +/- 0.09
Forced photometry filter REJECTED candidate at 08:23:58.60 +71:09:05.1: ref_mag=14.80 +/- 0.09 new_mean_mag=14.5155 delta=0.29 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 4s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
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Considering the candidate 65332_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65332_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    14.44    08:47:10.63 +70:11:14.5   2307 3407   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    14.37    08:47:10.75 +70:11:12.6   2308 3413   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 65333_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65333_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    14.19    10:45:46.30 +69:03:29.8   8514 3351   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    13.83    10:45:46.58 +69:03:30.7   8515 3359   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 65346_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65346_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    13.60    08:49:01.59 +70:10:15.8   2401 3390   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:49:01.80 +70:10:15.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 65353_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65353_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    13.55    08:49:59.92 +70:18:02.5   2460 3455   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    13.38    08:49:59.46 +70:17:58.6   2461 3461   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 65356_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65356_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    12.87    08:31:20.38 +66:19:28.3   1009 1266   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:31:20.40 +66:19:28.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 65978_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 65978_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    13.07    08:12:30.09 +68:27:39.2   0258 2792   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:12:30.18 +68:27:39.2 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 66043_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66043_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    12.73    11:03:25.93 +70:00:21.2   9184 4239   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  11:03:25.79 +70:00:21.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 66306_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66306_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    13.43    09:34:45.45 +69:51:29.2   4740 3092   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    13.62    09:34:44.74 +69:51:31.6   4741 3100   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 66528_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66528_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    14.06    08:27:41.96 +72:00:55.2   1572 4677   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:27:41.76 +72:00:54.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 66957_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66957_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    14.56    07:58:12.27 +73:18:05.9   0501 5807   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    14.53    07:58:12.61 +73:18:05.5   0502 5814   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 66961_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66961_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    14.07    09:55:40.56 +72:12:11.0   5631 4598   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  09:55:40.18 +72:12:11.3 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 66971_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 66971_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 1     2026 10 07.28681    2461320.78681    14.48    08:23:58.36 +71:09:04.4   1274 4203   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Discovery image 2     2026 10 07.28794    2461320.78794    14.56    08:23:58.84 +71:09:05.8   1276 4210   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

  
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Considering the candidate 67012_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 67012_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 2     2026 10 07.28794    2461320.78794    14.33    10:18:58.91 +72:23:58.5   6661 4912   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  10:18:58.84 +72:24:00.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 44723_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 44723_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    12.84    08:50:31.65 +67:26:24.6   2257 1745   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  08:50:31.61 +67:26:25.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 07628_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 07628_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    11.19    10:55:39.95 +71:52:08.2   8388 5130   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  10:55:39.92 +71:52:08.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 16865_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 16865_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    11.90    09:00:06.66 +72:15:30.4   3083 4578   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

Rejecting candidate due to large distance (40.2") between the two second-epoch detections
  
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Considering the candidate 23914_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331
The candidate 23914_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331 did not pass the final checks
Discovery image 3     2026 10 07.28794    2461320.78794    7.91    10:44:37.94 +68:46:32.2   8513 3176   /data_ssd/NMW-TexasTech/workdir//img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits

**** FOUND  10:44:37.91 +68:46:32.4 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 4s
Prepared the HTML report for the field UMa-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
Source monitoring: measuring positions from /data_ssd/NMW-TexasTech/workdir/img_2026-10-07_CI_UMa-01-Q1b1x1_022901_TTUQ1b1x1_1502530_TgUnx4Zp/monitoring_positions.txt
Source monitoring: positions closer than 100 pix to a frame edge are recorded as edge
Read 32062 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 115.6893 to 172.0495 deg, Dec +63.3328 to +75.3402 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 115.6893 to 172.0495 deg, Dec 63.3328 to 75.3402 deg
Loaded 9103 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): 5214 out of 5519 total matches.
Matched with Tycho-2 5519 out of 32062 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Observation time (mid-exposure, UTC): JD 2461320.78681 (FITS header)
Observing site: lat= +33.748056 deg  lon= -101.958333 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 143.94999 deg  Dec= +70.02398 deg
Frame center: alt= +20.627 deg  az= 20.204 deg  airmass= 2.8125
Header cross-check: CENTALT= 20.381 deg (difference +0.246 deg)
Header cross-check: AIRMASS= 2.8511 (we compute 2.8125)
Airmass zero-point fit: OK  k= +0.3204 +/- 0.0046 mag/airmass  N= 3962  airmass span 1.9987-4.9428  scatter 0.1578 mag
Source monitoring: airmass zero-point for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits: OK +0.899862 -0.320368 2.8125 +0.3204 3962 2.9440 0.1578 1.9987 4.9428
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits list=monitoring_pixlist1247634.tmp aperture=6.0
Image size: 9576 x 6388
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 22.558450
Local star coverage test: 32062 stars in wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits.wcscat, test radius 301 pix (0.50 deg), 150.6 stars per circle at the frame's mean density
Forced photometry: center=(1613.36, 5343.51) aperture=6.0
Annulus: inner=12.00 outer=30.00 edge margin=100.00
Background annulus: 2378 pixels
Iterative clipping converged after 3 iterations, 2362/2378 pixels remain
SExtractor background: mode=723.15 median=725.00 mean=726.23 sigma=49.69 -> bg=723.15 (2362 pixels)
Aperture sum=45546.75 N_eff=28.2743
Net flux=25100.11 noise=264.23 SNR=94.99
Instrumental magnitude: -10.9992
Calibrated magnitude: 11.5593
Local star coverage at (1613.36, 5343.51): 243 catalog stars within 301 pix, 150.6 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits
Source monitoring: 1 position(s) measured on wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-52-50_20.00sec_0.00C_LIGHTs_0330.fits (aperture 6.0 pix)
Read 32336 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 116.0445 to 172.2591 deg, Dec +63.3322 to +75.3280 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 116.0445 to 172.2591 deg, Dec 63.3322 to 75.3280 deg
Loaded 9050 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): 5213 out of 5517 total matches.
Matched with Tycho-2 5517 out of 32336 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Observation time (mid-exposure, UTC): JD 2461320.78794 (FITS header)
Observing site: lat= +33.748056 deg  lon= -101.958333 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 143.94143 deg  Dec= +70.01261 deg
Frame center: alt= +20.721 deg  az= 20.337 deg  airmass= 2.8006
Header cross-check: CENTALT= 20.480 deg (difference +0.240 deg)
Header cross-check: AIRMASS= 2.8380 (we compute 2.8006)
Airmass zero-point fit: OK  k= +0.3218 +/- 0.0045 mag/airmass  N= 3989  airmass span 1.9959-4.9057  scatter 0.1584 mag
Source monitoring: airmass zero-point for wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits: OK +0.900653 -0.321754 2.8006 +0.3218 3989 2.9098 0.1584 1.9959 4.9057
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits list=monitoring_pixlist1247634.tmp aperture=6.0
Image size: 9576 x 6388
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 22.562600
Local star coverage test: 32336 stars in wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits.wcscat, test radius 301 pix (0.50 deg), 151.9 stars per circle at the frame's mean density
Forced photometry: center=(1614.32, 5350.05) aperture=6.0
Annulus: inner=12.00 outer=30.00 edge margin=100.00
Background annulus: 2373 pixels
Iterative clipping converged after 3 iterations, 2353/2373 pixels remain
SExtractor background: mode=726.98 median=728.00 mean=728.68 sigma=47.68 -> bg=726.98 (2353 pixels)
Aperture sum=45522.91 N_eff=28.2743
Net flux=24967.96 noise=253.53 SNR=98.48
Instrumental magnitude: -10.9935
Calibrated magnitude: 11.5691
Local star coverage at (1614.32, 5350.05): 246 catalog stars within 301 pix, 151.9 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits
Source monitoring: 1 position(s) measured on wcs_fd_UMa-01-Q1b1x1_2026-10-07_01-54-27_20.00sec_0.00C_LIGHTs_0331.fits (aperture 6.0 pix)
########### Completed UMa-01-Q1b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ1.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461320.78680912 -observatory V36
14:19:55.22 -16:32:40.9 Mercury (-0.0mag)
14:11:22.90 -21:10:37.1 Venus (-4.7mag)
08:30:17.67 +20:07:12.5 Mars (1.1mag)
09:31:39.87 +15:17:45.0 Jupiter (-1.9mag)
00:43:37.64 +01:44:23.8 Saturn (0.3mag)
04:12:28.74 +20:58:58.3 Uranus (5.6mag)
00:10:45.02 -00:23:00.5 Neptune (7.7mag)
20:24:14.40 -23:43:28.2 Pluto (14.5mag)
10:17:21.67 +09:54:34.1 Moon (-9.1mag)
-rw-r--r-- 1 apache apache 362 Oct  7 10:57 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461320.78680912:
09:31:45.20 +15:17:16.7 Io (6.1mag)
09:31:41.69 +15:17:34.7 Europa (6.2mag)
09:31:31.96 +15:18:28.6 Ganymede (5.6mag)
09:31:25.46 +15:19:03.6 Callisto (6.9mag)
09:31:06.38 +15:39:07.8 Himalia (15.6mag)
09:31:37.41 +15:17:58.1 Thebe (16.5mag)
09:30:03.73 +15:38:23.7 Elara (17.5mag)
09:34:20.86 +14:40:28.3 Pasiphae (17.8mag)
09:30:33.79 +15:43:46.4 Carme (18.8mag)
00:43:42.38 +01:44:35.4 Titan (8.2mag)
00:43:38.25 +01:44:24.4 Rhea (9.6mag)
00:43:00.67 +01:41:47.8 Iapetus (11.0mag)
00:43:29.46 +01:44:43.8 Hyperion (14.1mag)
00:41:59.33 +01:32:11.3 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct  7 10:57 moons.txt
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Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461320.78680912:
02:21:11.46 +21:11:00.3 JWST
19:40:59.05 -16:44:24.8 Chandra
11:37:22.10 -60:39:55.6 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct  7 10:57 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461320.78680912 -observatory V36
03:47:05.32 +20:10:26.3 17.1mag P/1996 R2 (Lagerkvist)
18:21:10.32 -33:35:34.8 14.7mag P/2010 H2 (Vales)
07:38:02.77 -72:07:59.7 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:16:15.75 +34:31:53.1 17.7mag C/2017 K2 (PANSTARRS)
05:02:02.84 +48:20:08.7 17.0mag P/2021 N1 (ZTF)
07:28:28.70 +25:30:10.0 16.9mag C/2022 N2 (PANSTARRS)
08:59:52.47 +35:14:56.5 16.2mag C/2024 E1 (Wierzchos)
18:26:05.55 +41:42:54.2 17.4mag C/2024 J3 (ATLAS)
05:45:49.67 -13:32:00.8 16.6mag C/2024 T5 (ATLAS)
12:09:30.63 +16:19:58.5 16.3mag C/2025 V2 (Rankin)
13:46:53.30 -02:22:36.3 16.6mag C/2025 Y1 (ATLAS)
18:25:50.03 +66:45:44.1 16.0mag C/2026 A2 (Bok)
02:40:41.34 +43:50:43.1 17.8mag C/2026 B2 (Sun-Gao)
12:41:42.83 +13:51:31.0 17.7mag A/2026 E1
00:36:50.88 +19:31:33.8 17.7mag 2P/Encke
22:53:50.20 -32:33:20.9 14.3mag 10P/Tempel
02:05:01.78 +39:17:06.6 16.8mag 11P/Tempel-Swift-LINEAR
12:08:28.57 -07:49:44.0 16.3mag 29P/Schwassmann-Wachmann
00:25:06.21 -08:43:57.0 15.6mag 65P/Gunn
07:30:08.74 +16:26:49.6 13.8mag 78P/Gehrels
03:03:57.83 +14:31:35.3 17.6mag 88P/Howell
07:23:57.66 +39:02:41.6 17.1mag 112P/Urata-Niijima
08:52:53.34 +15:35:47.4 17.8mag 114P/Wiseman-Skiff
11:32:32.66 +14:11:58.5 14.8mag 123P/West-Hartley
13:56:29.10 -31:01:48.1 17.8mag 124P/Mrkos
06:47:47.26 +19:29:11.8 15.7mag 128P/Shoemaker-Holt
23:35:24.83 +00:24:26.0 17.2mag 139P/Vaisala-Oterma
22:17:53.37 -00:14:19.4 9.5mag 161P/Hartley-IRAS
10:10:11.01 +35:39:04.1 16.9mag 162P/Siding Spring
10:08:20.44 +02:39:02.7 13.9mag 169P/NEAT
03:31:14.00 +05:07:16.9 14.7mag 220P/McNaught
05:56:48.33 +44:18:09.0 15.3mag 260P/McNaught
07:20:51.68 +25:44:39.3 18.0mag 266P/Christensen
09:52:01.87 +31:53:05.9 18.0mag 493P/LONEOS
-rw-r--r-- 1 apache apache 1.7K Oct  7 10:57 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 10:57 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 10:57 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
00:20:09.662 -17:43:21.42  AT 2026acmy  2026-09-20.36 18.7768
01:08:30.307 -10:37:33.12  AT 2026acmx  2026-09-13.51 20.95
22:05:05.148 +21:30:32.50  AT 2026acmw  2026-09-13.46 20.91
20:39:43.235 +01:26:17.57  AT 2026acmv  2026-09-16.30 21.94
20:27:32.344 +04:00:23.15  AT 2026acmu  2026-09-16.30 21.47
02:25:15.327 -05:29:45.03  AT 2026acmt  2026-09-19.55 21.16
01:43:56.117 -03:30:20.86  SN 2026acms  2026-09-16.41 20.1889
05:02:52.706 -06:20:44.84  AT 2026acmr  2026-09-17.47 20.0414
07:57:22.784 +52:36:35.29  AT 2026acmq  2026-09-16.46 19.4468
06:30:56.944 -31:36:42.11  AT 2026acmp  2026-09-18.78 19.8
05:10:14.652 -25:53:20.15  AT 2026acmo  2026-09-17.77 20.23
03:26:20.881 +22:27:21.51  AT 2026acmn  2026-09-16.38 18.1297
01:21:22.899 +18:24:15.58  AT 2026acmm  2026-09-18.38 19.4129
02:59:47.145 +03:53:41.77  AT 2026acml  2026-09-20.40 19.7959
01:12:22.273 -08:29:32.90  AT 2026acmk  2026-09-14.32 20.4256
12:37:20.669 +41:36:44.25  AT 2026acmj  2026-04-14.94 19.81
09:35:04.931 -21:14:54.15  AT 2026acmi  2026-04-19.39 20.25
12:53:36.157 -17:01:48.97  AT 2026acmh  2026-04-16.49 20.22
10:50:24.066 -15:39:14.03  AT 2026acmg  2026-04-21.44 19.82
22:39:05.762 -19:39:55.66  AT 2026acmf  2026-09-20.42 19.79
-rw-r--r-- 1 apache apache 89K Oct  7 10:57 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Wed Oct  7 10:56:44 CDT 2026
=======================================
TIMING SExtractor: 6 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 3 seconds
TIMING select_aperture: 8 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 19s (0.32 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 59s (0.98 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 23s (0.38 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: 9s (0.15 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 4s (0.07 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 116s (1.93 min)
TIMING SExtractor: 61 seconds
TIMING matching_and_photometry: 5 seconds
TIMING lightcurve_write: 11 seconds
TIMING select_aperture: 12 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 97s (1.62 min)
    WCS_CACHE_SETUP: 1s (0.02 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 2s (0.03 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 1s (0.02 min)
    MAGNITUDE_CALIBRATION: 27s (0.45 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 2s (0.03 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 1s (0.02 min)
    CANDIDATE_FILTERING_TOTAL: 3s (0.05 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 2s (0.03 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 4s (0.07 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 138s (2.30 min)
FIELD_UMa-01-Q1b1x1: 294s (4.90 min)
=======================================
TOTAL_RUNTIME: 301s (5.02 min)
Finished: Wed Oct  7 11:01:45 CDT 2026