FITS images used in this processing run:

Field UMa-06-Q2b1x1 reference image: UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Field UMa-06-Q2b1x1 reference image: UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Field UMa-06-Q2b1x1 second-epoch image: UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Field UMa-06-Q2b1x1 second-epoch image: UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.77794983 22.02.2026 06:40:04.865   /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
First image: 2461093.77794983 22.02.2026 06:40:04.865   /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Last  image: 2461314.87088193 01.10.2026 08:53:54.199   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 1
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.21
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 3 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  6853
Objects passed selection criteria:  6818
Measurements per detected object (mean, median, min, max):    2.6    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.6    2.0    2    4
Average stars detected per image: 4634.75
Average stars matched: 4283.5 (92.4214 %)
Memory usage VmPeak:   232964 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Fri Sep 25 15:05:03 CDT 2026
VaST build number  1.0rc89-225-g3a72982a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-25)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Thu Oct  1 04:08:42 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461093.77794983 22.02.2026 06:40:04.865   /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
First image: 2461093.77794983 22.02.2026 06:40:04.865   /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Last  image: 2461314.87088193 01.10.2026 08:53:54.199   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 16
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -6.92
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: 8 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):  36141
Objects passed selection criteria:  36006
Measurements per detected object (mean, median, min, max):    2.7    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.7    2.0    2    4
Average stars detected per image: 25593.8
Average stars matched: 23478.5 (91.7353 %)
Memory usage VmPeak:   257600 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Fri Sep 25 15:05:03 CDT 2026
VaST build number  1.0rc89-225-g3a72982a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-25)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Thu Oct  1 04:09:21 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
UMa-06-Q2b1x1
#######################################
########### Starting UMa-06-Q2b1x1 ###########
Processing UMa-06-Q2b1x1
server tau has sufficient free disk space available: 612430 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 612430 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.png' -> 'transient_report/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits_preview.png'

UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits


renamed 'UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.png' -> 'transient_report/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits_preview.png'

UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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= 440.8971
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 558.6277
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 2513.7033
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 639.4185
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 2504.8128
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 636.9686
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 5.70134
INFO:                  SECOND_EPOCH__SD_ratio= 0.004
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     14.7799997329712 / [degC] Focuser temperature
AMBTEMP =                 14.8 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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= '2026-10-01T03:53:03.8191312' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-01T08:53:03.8191312' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61314.3701830902 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-01T08:53:13.7211777' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61314.3702976969 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     148.234901239895 / [deg] RA of telescope" status=0
Record 32: "DEC     =     53.9999174627221 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     17.6913888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     36.2447222222222 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.25879228784897 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-06'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 52 56'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+54 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  =                20655 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20655 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     14.7799997329712 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     14.7799997329712 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 82.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               894.62 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 14.8 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                133.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             8.600688 / [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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/d_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits :)

Spent 0.544785 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/d_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     14.7799997329712 / [degC] Focuser temperature
AMBTEMP =                 14.8 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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= '2026-10-01T03:53:54.1998233' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-01T08:53:54.1998233' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61314.3707661922 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-01T08:54:04.1011337' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61314.3708807984 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =      148.23490114429 / [deg] RA of telescope" status=0
Record 32: "DEC     =     53.9999175163778 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     17.7941666666667 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     36.3161111111111 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.24096905747436 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'UMa-06'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '09 52 56'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+54 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  =                20655 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20655 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     14.7799997329712 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     14.7799997329712 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 82.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               894.62 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 14.8 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                133.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             8.600688 / [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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/d_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits :)

Spent 0.510615 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/d_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Previews of the CALIBRATED second-epoch images:


fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits



fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
  
SExtractor catalog cache: saved UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.cat to cache
SExtractor catalog cache: saved UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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: 2461314.87029883
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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits exists and is non-empty
wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits exists and is non-empty
wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits exists and is non-empty
wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (1st reference image)
verification OK: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Image size: 941.7'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:52:59.679 +53:58:44.09 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-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits (1st new image)
verification OK: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Image size: 939.5'x624.4'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 09:52:59.751 +53:59:59.07 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:52:59.679 +53:58:44.09
Second-epoch image center 09:52:59.751 +53:59:59.07
Angular distance between the image centers 0.0208 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits (2nd new image)
verification OK: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Image size: 939.5'x624.4'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 09:53:03.321 +54:00:13.32 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:52:59.679 +53:58:44.09
Second-epoch image center 09:53:03.321 +54:00:13.32
Angular distance between the image centers 0.0263 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  09:52:59.751 +53:59:59.07
Second-epoch second image center 09:53:03.321 +54:00:13.32
Angular distance between the image centers 0.00960 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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits &> /tmp/tmp.vDxlJkZleD
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits &> /tmp/tmp.s0lz8RKYUt
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits &> /tmp/tmp.I186odOFMf
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits &> /tmp/tmp.TiOc0hxlKr
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
Found non-empty wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat
The reference image (wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits) and catalog (wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat) found
'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat' -> 'wcsmag.cat'
Read 8427 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.8942 to 163.5542 deg, Dec +47.6702 to +59.3560 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 133.8942 to 163.5542 deg, Dec 47.6702 to 59.3560 deg
Loaded 6209 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): 4181 out of 4402 total matches.
Matched with Tycho-2 4402 out of 8427 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.923200
a=0.000000 b=1.000000 c=22.923200
From vast_summary.log: estimated ref. image limiting mag.:  -7.21
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.71

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.71

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 8427 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.8942 to 163.5542 deg, Dec +47.6702 to +59.3560 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 133.8942 to 163.5542 deg, Dec 47.6702 to 59.3560 deg
Loaded 6209 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): 4181 out of 4402 total matches.
Matched with Tycho-2 4402 out of 8427 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Forced-photometry filter: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits -> calib.txt_param_ref_wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (aperture=6.4)
Read 8505 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.8795 to 163.5542 deg, Dec +47.6703 to +59.3304 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 133.8795 to 163.5542 deg, Dec 47.6703 to 59.3304 deg
Loaded 6199 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): 4177 out of 4398 total matches.
Matched with Tycho-2 4398 out of 8505 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Forced-photometry filter: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits -> calib.txt_param_ref_wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits (aperture=6.3)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.2 pix  UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
 2.2 pix  UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
 2.4 pix  fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
 2.3 pix  fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Limiting magnitude estimates:
 15.7 mag.  UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
 15.7 mag.  UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
 14.4 mag.  fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
 14.4 mag.  fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
All-image limiting magnitude estimate:  14.4 (SNR )  11.4 (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.vDxlJkZleD (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits' -> 'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS_IMAGE_NAME=wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS-calibrated image found: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Checking if the catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits alredy exist and is non-empty...
Catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS catalog name: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=549, bad_region=2239, passed=8427
Got 8427 stars (including 5769 good ones) from the SExtractor catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
util/solve_plate_with_UCAC5 got 8427 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.4)
Done reading UCAC5 zone files...
Matched 4904 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(), 4897 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 6653 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.4)
Done reading UCAC5 zone files...
Matched 4904 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(), 6653 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 6653 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4896 stars left (next iteration limit 5385)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits N_match=4896 sigma_overall_arcsec=0.408 sigma_q1_arcsec=0.502 sigma_q2_arcsec=0.379 sigma_q3_arcsec=0.356 sigma_q4_arcsec=0.355 n_q1=1479 n_q2=945 n_q3=1495 n_q4=977 worst_quadrant_to_overall_ratio=1.229
The image catalog is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits -region wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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.s0lz8RKYUt (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits' -> 'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS_IMAGE_NAME=wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS-calibrated image found: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Checking if the catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits alredy exist and is non-empty...
Catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS catalog name: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=566, bad_region=2242, passed=8505
Got 8505 stars (including 5837 good ones) from the SExtractor catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat 
util/solve_plate_with_UCAC5 got 8505 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.3)
Done reading UCAC5 zone files...
Matched 4904 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(), 4897 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 6727 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.3)
Done reading UCAC5 zone files...
Matched 4904 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(), 6727 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 6727 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4896 stars left (next iteration limit 5385)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits N_match=4896 sigma_overall_arcsec=0.410 sigma_q1_arcsec=0.490 sigma_q2_arcsec=0.416 sigma_q3_arcsec=0.355 sigma_q4_arcsec=0.370 n_q1=1469 n_q2=954 n_q3=1488 n_q4=985 worst_quadrant_to_overall_ratio=1.193
The image catalog is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits -region wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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.I186odOFMf (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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS_IMAGE_NAME=wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS-calibrated image found: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Checking if the catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS catalog name: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=257, bad_region=598, passed=3701
Got 3701 stars (including 2870 good ones) from the SExtractor catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat 
util/solve_plate_with_UCAC5 got 3701 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 939.5'
Seting catalog search parameters based on the expected field of view 939.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013049 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010439 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 690 to 748 (Dec 48.1 to 59.2)
Done reading UCAC5 zone files...
Matched 2828 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2826 matched stars entering correct_measured_positions(), 2826 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2826 matched stars entering correct_measured_positions(), 3200 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 690 to 748 (Dec 48.1 to 59.2)
Done reading UCAC5 zone files...
Matched 2828 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2826 matched stars entering correct_measured_positions(), 3200 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 2826 matched stars entering correct_measured_positions(), 3200 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 2826 stars left (next iteration limit 3108)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2826 robust_rms=6.931 arcsec worst_region_rms=10.072 arcsec outer_annulus_rms=10.072 arcsec
SIP_REFIT: SIP order 3 trial: matched=2826 robust_rms=0.593 arcsec worst_region_rms=0.744 arcsec outer_annulus_rms=0.707 arcsec
SIP_REFIT: SIP order 5 trial: matched=2826 robust_rms=0.506 arcsec worst_region_rms=0.658 arcsec outer_annulus_rms=0.559 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2826 robust_rms_before=1.112 arcsec robust_rms_before_corrected=0.390 arcsec robust_rms_after=0.506 arcsec worst_region_rms_before=0.537 worst_region_rms_after=0.658 outer_annulus_rms_before=1.125 outer_annulus_rms_after=0.559
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.537 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits worst_region_rms_kept=0.537 arcsec robust_rms_kept=0.390 arcsec matched=2826
WCS_QUALITY_DIAG: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits N_match=2826 sigma_overall_arcsec=0.393 sigma_q1_arcsec=0.394 sigma_q2_arcsec=0.444 sigma_q3_arcsec=0.365 sigma_q4_arcsec=0.424 n_q1=955 n_q2=449 n_q3=941 n_q4=481 worst_quadrant_to_overall_ratio=1.128
The image catalog is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits -region wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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.TiOc0hxlKr (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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS_IMAGE_NAME=wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS-calibrated image found: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Checking if the catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS catalog name: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=261, bad_region=620, passed=3707
Got 3707 stars (including 2851 good ones) from the SExtractor catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat 
util/solve_plate_with_UCAC5 got 3707 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 939.5'
Seting catalog search parameters based on the expected field of view 939.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013049 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010439 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 690 to 748 (Dec 48.1 to 59.2)
Done reading UCAC5 zone files...
Matched 2806 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2803 matched stars entering correct_measured_positions(), 2803 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 2803 matched stars entering correct_measured_positions(), 3189 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 690 to 748 (Dec 48.1 to 59.2)
Done reading UCAC5 zone files...
Matched 2806 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 2803 matched stars entering correct_measured_positions(), 3189 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 2803 matched stars entering correct_measured_positions(), 3189 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 2803 stars left (next iteration limit 3083)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=2803 robust_rms=7.059 arcsec worst_region_rms=10.841 arcsec outer_annulus_rms=10.841 arcsec
SIP_REFIT: SIP order 3 trial: matched=2803 robust_rms=0.578 arcsec worst_region_rms=0.731 arcsec outer_annulus_rms=0.731 arcsec
SIP_REFIT: SIP order 5 trial: matched=2803 robust_rms=0.475 arcsec worst_region_rms=0.670 arcsec outer_annulus_rms=0.536 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=2803 robust_rms_before=1.115 arcsec robust_rms_before_corrected=0.393 arcsec robust_rms_after=0.475 arcsec worst_region_rms_before=0.531 worst_region_rms_after=0.670 outer_annulus_rms_before=1.135 outer_annulus_rms_after=0.536
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.531 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits worst_region_rms_kept=0.531 arcsec robust_rms_kept=0.393 arcsec matched=2803
WCS_QUALITY_DIAG: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits N_match=2803 sigma_overall_arcsec=0.397 sigma_q1_arcsec=0.403 sigma_q2_arcsec=0.459 sigma_q3_arcsec=0.377 sigma_q4_arcsec=0.417 n_q1=949 n_q2=443 n_q3=926 n_q4=485 worst_quadrant_to_overall_ratio=1.154
The image catalog is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits -region wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits to local_wcs_cache/
'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits' -> 'local_wcs_cache/wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits'
Saving the final (post-refit) wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits to local_wcs_cache/
'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits' -> 'local_wcs_cache/wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits'
Saving the final (post-refit) wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits to local_wcs_cache/
'wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits' -> 'local_wcs_cache/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits'
Saving the final (post-refit) wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits to local_wcs_cache/
'wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits' -> 'local_wcs_cache/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits sigma_overall=0.408 worst_q_ratio=1.229
ref2=UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits sigma_overall=0.410 worst_q_ratio=1.193
new1=fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits sigma_overall=0.393 worst_q_ratio=1.128
new2=fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits sigma_overall=0.397 worst_q_ratio=1.154
reference average sigma_overall=0.409 worst_q_ratio=1.211
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286_astrometric_residuals.png (4896 matched stars from wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287_astrometric_residuals.png (4896 matched stars from wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348_astrometric_residuals.png (2826 matched stars from wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349_astrometric_residuals.png (2803 matched stars from wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits'
Saving fully-calibrated image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits'
Preparing the HTML report for the field UMa-06-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field UMa-06-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
  
SExtractor catalog cache: saved UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.cat to cache
SExtractor catalog cache: saved UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Creating symlink local_wcs_cache/wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Creating symlink local_wcs_cache/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits exists and is non-empty
wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits exists and is non-empty
wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits exists and is non-empty
wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (1st reference image)
verification OK: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Image size: 941.7'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 09:52:59.679 +53:58:44.09 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-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits (1st new image)
verification OK: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Image size: 939.5'x624.4'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 09:52:59.751 +53:59:59.07 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 09:52:59.679 +53:58:44.09
Second-epoch image center 09:52:59.751 +53:59:59.07
Angular distance between the image centers 0.0208 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits (2nd new image)
verification OK: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Image size: 939.5'x624.4'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 09:53:03.321 +54:00:13.32 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 09:52:59.679 +53:58:44.09
Second-epoch image center 09:53:03.321 +54:00:13.32
Angular distance between the image centers 0.0263 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  09:52:59.751 +53:59:59.07
Second-epoch second image center 09:53:03.321 +54:00:13.32
Angular distance between the image centers 0.00960 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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits &> /tmp/tmp.YF3pndtp4V
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits &> /tmp/tmp.KRetCZCLt8
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits &> /tmp/tmp.KZeB3MlBUB
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits &> /tmp/tmp.Fi2OA2NktU
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Calibrating the magnitude scale
Found non-empty wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
Found non-empty wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits and wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat
The reference image (wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits) and catalog (wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat) found
'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat' -> 'wcsmag.cat'
Read 43398 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.7292 to 163.6375 deg, Dec +47.6475 to +59.3560 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 133.7292 to 163.6375 deg, Dec 47.6475 to 59.3560 deg
Loaded 6260 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): 3921 out of 4423 total matches.
Matched with Tycho-2 4423 out of 43398 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.812300
a=0.000000 b=1.000000 c=22.812300
From vast_summary.log: estimated ref. image limiting mag.:  -6.92
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.89

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.89

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 43398 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.7292 to 163.6375 deg, Dec +47.6475 to +59.3560 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 133.7292 to 163.6375 deg, Dec 47.6475 to 59.3560 deg
Loaded 6260 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): 3921 out of 4423 total matches.
Matched with Tycho-2 4423 out of 43398 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Forced-photometry filter: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits -> calib.txt_param_ref_wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (aperture=5.0)
Read 43456 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 133.7302 to 163.6373 deg, Dec +47.6703 to +59.3417 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 133.7302 to 163.6373 deg, Dec 47.6703 to 59.3417 deg
Loaded 6244 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): 3916 out of 4420 total matches.
Matched with Tycho-2 4420 out of 43456 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Forced-photometry filter: calibrated wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits -> calib.txt_param_ref_wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits (aperture=5.0)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 15 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
 2.1 pix  UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
 2.3 pix  fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
 2.2 pix  fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Limiting magnitude estimates:
 15.9 mag.  UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
 15.9 mag.  UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
 14.6 mag.  fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
 14.6 mag.  fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
All-image limiting magnitude estimate:  14.6 (SNR )  13.9 (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.YF3pndtp4V (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits' -> 'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS_IMAGE_NAME=wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS-calibrated image found: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
Checking if the catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits alredy exist and is non-empty...
Catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits
WCS catalog name: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=23, blended=2121, bad_region=9846, passed=43375
Got 43375 stars (including 31896 good ones) from the SExtractor catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat 
util/solve_plate_with_UCAC5 got 43375 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.6 to 59.4)
Done reading UCAC5 zone files...
Matched 4899 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 4895 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35699 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.6 to 59.4)
Done reading UCAC5 zone files...
Matched 4899 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35699 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35699 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4895 stars left (next iteration limit 5384)
Stop iterations.


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

SIP_REFIT: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits N_match=4895 sigma_overall_arcsec=0.383 sigma_q1_arcsec=0.473 sigma_q2_arcsec=0.358 sigma_q3_arcsec=0.346 sigma_q4_arcsec=0.343 n_q1=1500 n_q2=941 n_q3=1493 n_q4=961 worst_quadrant_to_overall_ratio=1.234
The image catalog is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits -region wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.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.KRetCZCLt8 (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits' -> 'wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS_IMAGE_NAME=wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS-calibrated image found: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
Checking if the catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits alredy exist and is non-empty...
Catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat corresponding to the image wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits
WCS catalog name: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=26, blended=2172, bad_region=9868, passed=43430
Got 43430 stars (including 31889 good ones) from the SExtractor catalog wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat 
util/solve_plate_with_UCAC5 got 43430 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.3)
Done reading UCAC5 zone files...
Matched 4899 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 4895 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35757 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 688 to 748 (Dec 47.7 to 59.3)
Done reading UCAC5 zone files...
Matched 4899 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35757 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4895 matched stars entering correct_measured_positions(), 35757 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4895 stars left (next iteration limit 5384)
Stop iterations.


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

SIP_REFIT: wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits N_match=4895 sigma_overall_arcsec=0.393 sigma_q1_arcsec=0.472 sigma_q2_arcsec=0.387 sigma_q3_arcsec=0.347 sigma_q4_arcsec=0.352 n_q1=1497 n_q2=947 n_q3=1482 n_q4=969 worst_quadrant_to_overall_ratio=1.199
The image catalog is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits -region wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.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.KZeB3MlBUB (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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS_IMAGE_NAME=wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS-calibrated image found: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Checking if the catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
WCS catalog name: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=706, bad_region=2447, passed=20356
Got 20356 stars (including 17281 good ones) from the SExtractor catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat 
util/solve_plate_with_UCAC5 got 20356 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 939.5'
Seting catalog search parameters based on the expected field of view 939.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013049 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010439 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 689 to 748 (Dec 48.0 to 59.3)
Done reading UCAC5 zone files...
Matched 4900 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4891 matched stars entering correct_measured_positions(), 4891 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4891 matched stars entering correct_measured_positions(), 18536 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 689 to 748 (Dec 48.0 to 59.3)
Done reading UCAC5 zone files...
Matched 4898 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 18536 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 18536 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4889 stars left (next iteration limit 5380)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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=4889 robust_rms=6.699 arcsec worst_region_rms=10.092 arcsec outer_annulus_rms=10.092 arcsec
SIP_REFIT: SIP order 3 trial: matched=4889 robust_rms=0.594 arcsec worst_region_rms=0.769 arcsec outer_annulus_rms=0.670 arcsec
SIP_REFIT: SIP order 5 trial: matched=4889 robust_rms=0.512 arcsec worst_region_rms=0.669 arcsec outer_annulus_rms=0.555 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4889 robust_rms_before=1.118 arcsec robust_rms_before_corrected=0.403 arcsec robust_rms_after=0.512 arcsec worst_region_rms_before=0.521 worst_region_rms_after=0.669 outer_annulus_rms_before=1.084 outer_annulus_rms_after=0.555
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.521 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits worst_region_rms_kept=0.521 arcsec robust_rms_kept=0.403 arcsec matched=4889
WCS_QUALITY_DIAG: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits N_match=4889 sigma_overall_arcsec=0.401 sigma_q1_arcsec=0.395 sigma_q2_arcsec=0.449 sigma_q3_arcsec=0.389 sigma_q4_arcsec=0.409 n_q1=1660 n_q2=723 n_q3=1644 n_q4=862 worst_quadrant_to_overall_ratio=1.120
The image catalog is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits -region wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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.Fi2OA2NktU (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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS_IMAGE_NAME=wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS-calibrated image found: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Checking if the catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits alredy exist and is non-empty...
Catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat corresponding to the image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
WCS catalog name: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=650, bad_region=2471, passed=20463
Got 20463 stars (including 17435 good ones) from the SExtractor catalog wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat 
util/solve_plate_with_UCAC5 got 20463 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 939.5'
Seting catalog search parameters based on the expected field of view 939.5 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013049 (47.0 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010439 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 689 to 748 (Dec 48.0 to 59.3)
Done reading UCAC5 zone files...
Matched 4893 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4881 matched stars entering correct_measured_positions(), 4881 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4881 matched stars entering correct_measured_positions(), 18626 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 689 to 748 (Dec 48.0 to 59.3)
Done reading UCAC5 zone files...
Matched 4893 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(), 18626 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 4883 matched stars entering correct_measured_positions(), 18626 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Excluding outliers - 4883 stars left (next iteration limit 5369)
Stop iterations.


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

SIP_REFIT: wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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=4883 robust_rms=6.739 arcsec worst_region_rms=10.429 arcsec outer_annulus_rms=10.429 arcsec
SIP_REFIT: SIP order 3 trial: matched=4883 robust_rms=0.592 arcsec worst_region_rms=0.726 arcsec outer_annulus_rms=0.701 arcsec
SIP_REFIT: SIP order 5 trial: matched=4883 robust_rms=0.489 arcsec worst_region_rms=0.725 arcsec outer_annulus_rms=0.538 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=4883 robust_rms_before=1.121 arcsec robust_rms_before_corrected=0.394 arcsec robust_rms_after=0.592 arcsec worst_region_rms_before=0.514 worst_region_rms_after=0.726 outer_annulus_rms_before=1.103 outer_annulus_rms_after=0.701
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.514 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits worst_region_rms_kept=0.514 arcsec robust_rms_kept=0.394 arcsec matched=4883
WCS_QUALITY_DIAG: file=fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits N_match=4883 sigma_overall_arcsec=0.400 sigma_q1_arcsec=0.409 sigma_q2_arcsec=0.440 sigma_q3_arcsec=0.381 sigma_q4_arcsec=0.396 n_q1=1660 n_q2=722 n_q3=1644 n_q4=857 worst_quadrant_to_overall_ratio=1.100
The image catalog is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits -region wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Saving fully-calibrated image wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.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_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/wcs_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits
Preparing the HTML report for the field UMa-06-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits at 09:58:51.31 +55:04:47.5:  13.25 +/- 0.02  detection
Forced photometry on wcs_UMa-06-Q2b1x1_2026-02-22_00-40-04_20.00sec_-14.90C_LIGHT_0286.fits at 10:12:51.85 +51:29:28.9:  13.24 +/- 0.03  detection
Forced photometry on wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits at 09:58:51.31 +55:04:47.5:  13.29 +/- 0.03  detection
Forced photometry on wcs_UMa-06-Q2b1x1_2026-02-22_00-40-50_20.00sec_-15.00C_LIGHT_0287.fits at 10:12:51.85 +51:29:28.9:  13.22 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.27 +/- 0.02
Forced photometry reference-image weighted average:  13.23 +/- 0.02
Forced photometry filter REJECTED candidate at 09:58:51.31 +55:04:47.5: ref_mag=13.27 +/- 0.02 new_mean_mag=13.4776 delta=-0.21 (need > 0.90)
Forced photometry filter REJECTED candidate at 10:12:51.85 +51:29:28.9: ref_mag=13.23 +/- 0.02 new_mean_mag=13.2197 delta=0.01 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 0s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 1s
  
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Considering the candidate 54115_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 54115_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    12.66    09:38:28.80 +49:52:16.4   3285 0774   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:38:28.78 +49:52:17.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 54215_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 54215_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    12.44    09:29:07.23 +50:00:38.6   2383 0945   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:29:07.18 +50:00:38.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 54576_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 54576_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    12.88    09:59:37.75 +56:47:41.1   5389 4871   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:59:37.72 +56:47:41.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 54789_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 54789_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    12.85    09:38:31.01 +55:52:36.7   3597 4398   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:38:31.04 +55:52:37.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 55964_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 55964_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 1     2026 10 01.37030    2461314.87030    13.46    09:58:51.25 +55:04:46.8   5317 3836   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Discovery image 2     2026 10 01.37088    2461314.87088    13.50    09:58:51.37 +55:04:48.1   5311 3834   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

  
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Considering the candidate 56068_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56068_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.55    09:29:44.80 +55:04:22.4   2800 3989   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:29:44.72 +55:04:22.9 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56074_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56074_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.59    09:36:47.39 +56:59:21.4   3512 5082   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:36:47.39 +56:59:21.5 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56129_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56129_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.66    09:24:02.87 +50:55:40.2   1967 1558   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:24:02.82 +50:55:40.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56137_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56137_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 1     2026 10 01.37030    2461314.87030    13.32    10:12:51.83 +51:29:31.0   6607 1686   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-03_20.00sec_-0.00C_LIGHT_0348.fits
Discovery image 2     2026 10 01.37088    2461314.87088    13.16    10:12:51.87 +51:29:26.9   6601 1683   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

  
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Considering the candidate 56256_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56256_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.70    09:29:59.37 +55:45:11.4   2868 4396   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:29:59.40 +55:45:11.4 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 56458_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56458_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.78    09:37:36.84 +57:54:50.4   3629 5635   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:37:36.76 +57:54:50.5 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56642_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56642_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.63    10:05:02.49 +55:26:40.5   5844 4055   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  10:05:02.55 +55:26:40.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 56930_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 56930_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.82    09:40:37.40 +53:20:26.3   3657 2855   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:40:37.41 +53:20:26.2 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 57451_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 57451_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 2     2026 10 01.37088    2461314.87088    13.88    09:44:57.01 +52:01:04.4   3997 2030   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

**** FOUND  09:44:57.02 +52:01:04.2 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 32065_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349
The candidate 32065_fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349 did not pass the final checks
Discovery image 3     2026 10 01.37088    2461314.87088    13.00    09:26:05.53 +49:50:59.4   2076 0882   /data_ssd/NMW-TexasTech/workdir//img_2026-10-01_CI_UMa-06-Q2b1x1_040615_TTUQ2b1x1_1900353_b9OsXZYl/fd_UMa-06-Q2b1x1_2026-10-01_03-53-54_20.00sec_-0.00C_LIGHT_0349.fits

Rejecting candidate due to large distance (35.7") between the two second-epoch detections
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field UMa-06-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed UMa-06-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461314.87029883 -observatory V36
13:52:06.38 -13:25:35.9 Mercury (-0.1mag)
14:12:55.25 -20:53:14.9 Venus (-4.8mag)
08:16:02.62 +20:48:44.6 Mars (1.1mag)
09:27:35.12 +15:36:20.1 Jupiter (-1.9mag)
00:45:20.15 +01:55:23.5 Saturn (0.3mag)
04:12:57.58 +21:00:11.1 Uranus (5.7mag)
00:11:20.71 -00:19:08.8 Neptune (7.7mag)
20:24:22.94 -23:43:12.4 Pluto (14.5mag)
04:26:39.27 +26:39:05.6 Moon (-11.1mag)
-rw-r--r-- 1 apache apache 363 Oct  1 04:08 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461314.87029883:
09:27:37.47 +15:36:08.6 Io (9.5mag)
09:27:43.89 +15:35:34.6 Europa (6.2mag)
09:27:19.93 +15:37:42.8 Ganymede (8.0mag)
09:28:04.58 +15:33:44.9 Callisto (6.9mag)
09:26:36.69 +15:58:18.4 Himalia (15.7mag)
09:27:34.34 +15:36:24.6 Thebe (16.5mag)
09:25:44.34 +15:55:20.4 Elara (17.5mag)
09:30:35.34 +14:59:15.6 Pasiphae (17.8mag)
09:26:54.77 +16:00:47.0 Carme (18.9mag)
00:45:23.76 +01:54:47.9 Titan (8.2mag)
00:45:23.21 +01:55:04.3 Rhea (9.6mag)
00:44:41.20 +01:53:31.9 Iapetus (11.0mag)
00:45:35.50 +01:55:12.5 Hyperion (14.1mag)
00:43:45.66 +01:43:24.9 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct  1 04:08 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461314.87029883:
01:34:14.48 +19:51:02.0 JWST
18:04:56.82 +26:32:47.3 Chandra
12:32:11.45 -62:00:43.5 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct  1 04:08 spacecraft.txt
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Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461314.87029883 -observatory V36
03:47:39.01 +20:05:58.6 17.2mag P/1996 R2 (Lagerkvist)
18:16:27.47 -33:43:31.9 14.6mag P/2010 H2 (Vales)
07:35:07.61 -71:45:01.2 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:16:37.68 +34:21:38.7 17.7mag C/2017 K2 (PANSTARRS)
05:05:34.94 +48:01:46.8 16.7mag P/2021 N1 (ZTF)
07:25:39.20 +25:34:40.7 16.9mag C/2022 N2 (PANSTARRS)
08:56:28.97 +34:41:25.5 16.1mag C/2024 E1 (Wierzchos)
18:25:48.65 +42:00:31.8 17.4mag C/2024 J3 (ATLAS)
05:44:49.24 -13:26:12.0 16.7mag C/2024 T5 (ATLAS)
11:58:48.51 +16:49:21.0 16.4mag C/2025 V2 (Rankin)
13:41:07.55 -01:52:45.8 16.6mag C/2025 Y1 (ATLAS)
18:02:09.25 +68:41:53.7 16.2mag C/2026 A2 (Bok)
02:46:58.28 +44:32:21.9 17.7mag C/2026 B2 (Sun-Gao)
12:36:02.02 +13:18:32.8 17.6mag A/2026 E1
00:49:51.96 +20:04:15.8 18.0mag 2P/Encke
22:47:42.99 -33:37:39.1 14.1mag 10P/Tempel
01:56:24.44 +39:38:05.7 17.0mag 11P/Tempel-Swift-LINEAR
12:04:28.38 -07:20:59.9 16.3mag 29P/Schwassmann-Wachmann
12:57:02.08 -12:28:15.0 18.0mag 63P/Wild
07:21:23.74 +17:03:49.3 17.1mag 78P/Gehrels
03:08:50.42 +14:44:54.2 16.9mag 88P/Howell
07:02:22.64 +37:12:15.4 17.2mag 112P/Urata-Niijima
08:38:13.67 +17:37:30.3 17.8mag 114P/Wiseman-Skiff
11:20:09.92 +15:32:57.2 14.8mag 123P/West-Hartley
13:42:02.26 -29:15:16.6 17.7mag 124P/Mrkos
06:42:51.91 +19:44:23.6 15.7mag 128P/Shoemaker-Holt
23:22:17.13 -06:06:22.9 13.7mag 161P/Hartley-IRAS
09:54:24.11 +04:11:26.7 13.5mag 169P/NEAT
03:32:50.46 +05:52:33.3 14.7mag 220P/McNaught
05:45:45.11 +42:55:18.8 15.4mag 260P/McNaught
-rw-r--r-- 1 apache apache 1.5K Oct  1 04:08 comets.txt
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List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
04:39:17.45 -28:06:12.40  ASASSN-26fg  2026-09-23.25 15.73
05:25:07.80 +04:38:32.40  SN2026aajs  2026-09-21.32 17.04
19:56:12.67 +08:25:27.70  AT2026acgs  2026-09-18.14 15.84
00:02:34.07 +52:55:19.10  ASASSN-26ff  2026-09-16.43 15.37
23:44:33.18 +17:46:12.20  SN2026yjv  2026-09-15.38 18.32
16:21:12.24 +57:37:51.30  SN 2026aafh  2026-09-14.11 15.02
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi  2026-09-12.99 16.58
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs  2026-09-13.47 17
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars  2026-09-12.27 16.93
02:47:25.52 -32:58:34.50  SN 2026znh  2026-09-9.92 16.26
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.59 +34:24:35.70  SN2026aaiv  2026-09-7.22 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.79 -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
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
-rw-r--r-- 1 apache apache 5.7K Oct  1 04:08 asassn_transients_list.txt
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Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
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
-rw-r--r-- 1 apache apache 191K Oct  1 04:08 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
01:51:48.327 -27:23:29.92  AT 2026abgw  2026-09-04.46 19.9673
21:00:08.074 -43:38:57.10  AT 2026abgv  2026-09-08.49 19.89
22:54:01.530 -14:02:46.78  AT 2026abgu  2026-09-08.64 20.2
21:45:06.845 -21:27:18.75  AT 2026abgt  2026-09-10.48 20.12
22:54:06.067 -30:54:18.16  AT 2026abgs  2026-09-01.59 19.74
23:36:50.507 -18:25:52.11  AT 2026abgr  2026-09-10.33 19.8377
21:02:51.216 -46:42:43.39  AT 2026abgq  2026-09-08.49 19.71
22:02:10.332 -48:36:38.02  AT 2026abgp  2026-09-08.53 19.87
21:52:21.472 -49:52:32.76  AT 2026abgo  2026-09-08.53 19.89
01:21:59.577 +27:39:37.17  AT 2026abgn  2026-09-10.04 19.81
01:47:29.118 +34:58:06.10  AT 2026abgm  2026-08-27.58 20.08
22:34:51.296 -21:55:21.23  AT 2026abgl  2026-08-13.43 20.49
23:10:06.537 -12:32:24.43  AT 2026abgk  2026-08-09.62 20.73
21:13:51.314 -27:54:54.88  AT 2026abgj  2026-08-11.42 20.46
00:39:35.670 -23:33:58.32  AT 2026abgi  2026-08-12.59 21.24
23:50:40.885 -22:21:27.13  AT 2026abgh  2026-09-03.46 21.32
00:50:17.770 -28:53:41.69  AT 2026abgg  2026-06-23.79 20.14
01:37:46.664 -44:11:29.14  AT 2026abgf  2026-09-10.59 20.23
17:26:13.489 -06:52:39.77  AT 2026abge  2026-09-11.38 20.61
03:31:01.749 -35:31:30.12  AT 2026abgd  2026-09-03.76 19.9
-rw-r--r-- 1 apache apache 89K Oct  1 04:08 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Thu Oct  1 04:08:12 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 22s (0.37 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 5s (0.08 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 33s (0.55 min)
TIMING SExtractor: 5 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 9s (0.15 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 8s (0.13 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 20s (0.33 min)
FIELD_UMa-06-Q2b1x1: 66s (1.10 min)
=======================================
TOTAL_RUNTIME: 80s (1.33 min)
Finished: Thu Oct  1 04:09:32 CDT 2026