FITS images used in this processing run:

Field Lyn-04-Q2b1x1 reference image: Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Field Lyn-04-Q2b1x1 reference image: Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Field Lyn-04-Q2b1x1 second-epoch image: Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Field Lyn-04-Q2b1x1 second-epoch image: Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461082.77314936 11.02.2026 06:33:10.105   /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
First image: 2461082.77314936 11.02.2026 06:33:10.105   /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Last  image: 2461297.86559806 14.09.2026 08:46:17.672   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.33
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 4 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  8860
Objects passed selection criteria:  8808
Measurements per detected object (mean, median, min, max):    2.6    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.7    2.0    2    4
Average stars detected per image: 6127
Average stars matched: 5580.5 (91.0805 %)
Memory usage VmPeak:   234540 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Fri Sep 11 14:55:52 CDT 2026
VaST build number  1.0rc89-210-g97d43bca
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-11)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Mon Sep 14 04:25:15 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461082.77314936 11.02.2026 06:33:10.105   /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
First image: 2461082.77314936 11.02.2026 06:33:10.105   /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Last  image: 2461297.86559806 14.09.2026 08:46:17.672   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 15
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.01
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 12 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  53808
Objects passed selection criteria:  53634
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: 38411.5
Average stars matched: 34890.8 (90.8341 %)
Memory usage VmPeak:   271836 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Fri Sep 11 14:55:52 CDT 2026
VaST build number  1.0rc89-210-g97d43bca
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-09-11)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Mon Sep 14 04:25:58 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: 
Lyn-04-Q2b1x1
#######################################
########### Starting Lyn-04-Q2b1x1 ###########
Processing Lyn-04-Q2b1x1
server tau has sufficient free disk space available: 586105 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 586105 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.png' -> 'transient_report/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits_preview.png'

Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits


renamed 'Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.png' -> 'transient_report/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits_preview.png'

Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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= 464.2081
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 555.7674
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1437.9526
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 448.2403
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1431.9479
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 450.2459
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.09765
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 =     25.2199993133545 / [degC] Focuser temperature
AMBTEMP =                 24.9 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-14T03:45:01.4377167' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-14T08:45:01.4377167' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =      61297.364599965 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-14T08:45:11.3403004' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61297.3647145834 / 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      =     125.997169820572 / [deg] RA of telescope" status=0
Record 32: "DEC     =     45.9998843298861 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.1708333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     44.4488888888889 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.76985140802284 / 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  = 'Lyn-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '08 24 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+46 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20431 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20431 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     25.2199993133545 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     25.2199993133545 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 16.6 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 60.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               901.69 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 24.9 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 43.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            14.801184 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.200576 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/d_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits :)

Spent 0.492910 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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/d_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  0.0 / [degC] CCD temperature
FOCTEMP =     25.2099990844727 / [degC] Focuser temperature
AMBTEMP =                 24.9 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits 
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-14T03:46:17.6720308' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-14T08:46:17.6720308' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =      61297.365482315 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-14T08:46:27.5741193' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61297.3655969212 / 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      =     125.997169721715 / [deg] RA of telescope" status=0
Record 32: "DEC     =     45.9998843810627 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.3558333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     44.5741666666667 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.72678064168537 / 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  = 'Lyn-04'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '08 24 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+46 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20431 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20431 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     25.2099990844727 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     25.2099990844727 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 16.6 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 60.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               901.69 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 24.9 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 43.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            14.801184 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             7.200576 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/d_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits :)

Spent 0.493380 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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/d_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Previews of the CALIBRATED second-epoch images:


fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits



fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
  
SExtractor catalog cache: saved Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.cat to cache
SExtractor catalog cache: saved Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461297.86471571
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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits exists and is non-empty
wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits exists and is non-empty
wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits exists and is non-empty
wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (1st reference image)
verification OK: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Image size: 941.6'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 08:24:00.746 +45:59:58.90 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_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits (1st new image)
verification OK: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Image size: 940.7'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 08:24:22.522 +46:00:16.07 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 08:24:00.746 +45:59:58.90
Second-epoch image center 08:24:22.522 +46:00:16.07
Angular distance between the image centers 0.0632 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits (2nd new image)
verification OK: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Image size: 940.6'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 08:24:26.863 +45:59:43.75 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 08:24:00.746 +45:59:58.90
Second-epoch image center 08:24:26.863 +45:59:43.75
Angular distance between the image centers 0.0757 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  08:24:22.522 +46:00:16.07
Second-epoch second image center 08:24:26.863 +45:59:43.75
Angular distance between the image centers 0.01544 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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits &> /tmp/tmp.kAdqtWIBU3
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits &> /tmp/tmp.CRPXTPqc1Z
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits &> /tmp/tmp.aImCykRuto
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits &> /tmp/tmp.k37GkgxfZA
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Calibrating the magnitude scale
Found non-empty wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat 
Found non-empty wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat
The reference image (wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits) and catalog (wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat) found
'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat' -> 'wcsmag.cat'
Read 11002 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9422 to 138.6057 deg, Dec +39.9650 to +51.3287 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 113.9422 to 138.6057 deg, Dec 39.9650 to 51.3287 deg
Loaded 6170 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): 4381 out of 4735 total matches.
Matched with Tycho-2 4735 out of 11002 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.933500
a=0.000000 b=1.000000 c=22.933500
From vast_summary.log: estimated ref. image limiting mag.:  -7.33
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.60

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.60

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 11002 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9422 to 138.6057 deg, Dec +39.9650 to +51.3287 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 113.9422 to 138.6057 deg, Dec 39.9650 to 51.3287 deg
Loaded 6170 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): 4381 out of 4735 total matches.
Matched with Tycho-2 4735 out of 11002 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Forced-photometry filter: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits -> calib.txt_param_ref_wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (aperture=6.1)
Read 11045 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9428 to 138.6056 deg, Dec +39.9648 to +51.3241 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 113.9428 to 138.6056 deg, Dec 39.9648 to 51.3241 deg
Loaded 6167 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): 4397 out of 4732 total matches.
Matched with Tycho-2 4732 out of 11045 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Forced-photometry filter: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits -> calib.txt_param_ref_wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits (aperture=6.1)
____ 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:
 2.1 pix  Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
 2.2 pix  Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
 2.4 pix  fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
 2.3 pix  fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Limiting magnitude estimates:
 15.6 mag.  Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
 15.6 mag.  Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
 14.1 mag.  fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
 14.2 mag.  fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
All-image limiting magnitude estimate:  14.1 (SNR )  11.5 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.kAdqtWIBU3 (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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits' -> 'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS_IMAGE_NAME=wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS-calibrated image found: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Checking if the catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits alredy exist and is non-empty...
Catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS catalog name: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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=826, bad_region=3229, passed=11002
Got 11002 stars (including 7182 good ones) from the SExtractor catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat 
util/solve_plate_with_UCAC5 got 11002 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4913 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4909 matched stars entering correct_measured_positions(), 4909 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4909 matched stars entering correct_measured_positions(), 8452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4912 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 8452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 8452 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4908 stars left (next iteration limit 5399)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits N_match=4908 sigma_overall_arcsec=0.404 sigma_q1_arcsec=0.553 sigma_q2_arcsec=0.370 sigma_q3_arcsec=0.359 sigma_q4_arcsec=0.332 n_q1=1417 n_q2=973 n_q3=1506 n_q4=1012 worst_quadrant_to_overall_ratio=1.369
The image catalog is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits -region wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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.CRPXTPqc1Z (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/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits' -> 'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS_IMAGE_NAME=wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS-calibrated image found: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Checking if the catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits alredy exist and is non-empty...
Catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS catalog name: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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=810, bad_region=3252, passed=11045
Got 11045 stars (including 7228 good ones) from the SExtractor catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat 
util/solve_plate_with_UCAC5 got 11045 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4912 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 4907 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 8468 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4912 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 8468 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Accuracy estimation diagnostic: 4907 matched stars entering correct_measured_positions(), 8468 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4907 stars left (next iteration limit 5397)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits N_match=4907 sigma_overall_arcsec=0.402 sigma_q1_arcsec=0.532 sigma_q2_arcsec=0.381 sigma_q3_arcsec=0.373 sigma_q4_arcsec=0.324 n_q1=1422 n_q2=961 n_q3=1505 n_q4=1019 worst_quadrant_to_overall_ratio=1.324
The image catalog is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits -region wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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.aImCykRuto (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS_IMAGE_NAME=wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS-calibrated image found: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Checking if the catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits alredy exist and is non-empty...
Catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS catalog name: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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=241, bad_region=717, passed=5270
Got 5270 stars (including 4342 good ones) from the SExtractor catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat 
util/solve_plate_with_UCAC5 got 5270 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.7'
Seting catalog search parameters based on the expected field of view 940.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013065 (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 0.010452 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4269 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4259 matched stars entering correct_measured_positions(), 4259 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4259 matched stars entering correct_measured_positions(), 4718 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 651 to 708 (Dec 40.2 to 51.3)
Done reading UCAC5 zone files...
Matched 4268 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4260 matched stars entering correct_measured_positions(), 4718 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4260 matched stars entering correct_measured_positions(), 4718 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4260 stars left (next iteration limit 4684)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4260 robust_rms=5.864 arcsec worst_quadrant_rms=12.168 arcsec
SIP_REFIT: SIP order 3 trial: matched=4260 robust_rms=0.466 arcsec worst_quadrant_rms=0.496 arcsec
SIP_REFIT: SIP order 5 trial: matched=4260 robust_rms=0.390 arcsec worst_quadrant_rms=0.413 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4260 robust_rms_before=1.567 arcsec robust_rms_before_corrected=0.382 arcsec robust_rms_after=0.390 arcsec worst_quadrant_rms_before=0.413 worst_quadrant_rms_after=0.413
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.413 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits N_match=4260 sigma_overall_arcsec=0.376 sigma_q1_arcsec=0.436 sigma_q2_arcsec=0.375 sigma_q3_arcsec=0.367 sigma_q4_arcsec=0.367 n_q1=1582 n_q2=585 n_q3=1471 n_q4=622 worst_quadrant_to_overall_ratio=1.159
The image catalog is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits -region wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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.k37GkgxfZA (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS_IMAGE_NAME=wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS-calibrated image found: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Checking if the catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits alredy exist and is non-empty...
Catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS catalog name: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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=279, bad_region=733, passed=5262
Got 5262 stars (including 4292 good ones) from the SExtractor catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat 
util/solve_plate_with_UCAC5 got 5262 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.6'
Seting catalog search parameters based on the expected field of view 940.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013064 (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 0.010451 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4216 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4208 matched stars entering correct_measured_positions(), 4208 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4208 matched stars entering correct_measured_positions(), 4690 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 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4215 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4208 matched stars entering correct_measured_positions(), 4690 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 4208 matched stars entering correct_measured_positions(), 4690 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Excluding outliers - 4208 stars left (next iteration limit 4628)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4208 robust_rms=6.018 arcsec worst_quadrant_rms=11.433 arcsec
SIP_REFIT: SIP order 3 trial: matched=4208 robust_rms=0.484 arcsec worst_quadrant_rms=0.559 arcsec
SIP_REFIT: SIP order 5 trial: matched=4208 robust_rms=0.412 arcsec worst_quadrant_rms=0.439 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4208 robust_rms_before=1.540 arcsec robust_rms_before_corrected=0.390 arcsec robust_rms_after=0.412 arcsec worst_quadrant_rms_before=0.410 worst_quadrant_rms_after=0.439
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.410 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits N_match=4208 sigma_overall_arcsec=0.388 sigma_q1_arcsec=0.429 sigma_q2_arcsec=0.387 sigma_q3_arcsec=0.392 sigma_q4_arcsec=0.376 n_q1=1581 n_q2=587 n_q3=1429 n_q4=611 worst_quadrant_to_overall_ratio=1.106
The image catalog is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits -region wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits to local_wcs_cache/
'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits' -> 'local_wcs_cache/wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits'
Saving the final (post-refit) wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits to local_wcs_cache/
'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits' -> 'local_wcs_cache/wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits'
Saving the final (post-refit) wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits to local_wcs_cache/
'wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits' -> 'local_wcs_cache/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits'
Saving the final (post-refit) wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits to local_wcs_cache/
'wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits' -> 'local_wcs_cache/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits sigma_overall=0.404 worst_q_ratio=1.369
ref2=Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits sigma_overall=0.402 worst_q_ratio=1.324
new1=fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits sigma_overall=0.376 worst_q_ratio=1.159
new2=fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits sigma_overall=0.388 worst_q_ratio=1.106
reference average sigma_overall=0.403 worst_q_ratio=1.3465
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259_astrometric_residuals.png (4908 matched stars from wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260_astrometric_residuals.png (4907 matched stars from wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444_astrometric_residuals.png (4260 matched stars from wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445_astrometric_residuals.png (4208 matched stars from wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits'
Saving fully-calibrated image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits'
Preparing the HTML report for the field Lyn-04-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field Lyn-04-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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
  
SExtractor catalog cache: saved Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.cat to cache
SExtractor catalog cache: saved Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Creating symlink local_wcs_cache/wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Creating symlink local_wcs_cache/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Creating symlink local_wcs_cache/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits exists and is non-empty
wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits exists and is non-empty
wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits exists and is non-empty
wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (1st reference image)
verification OK: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Image size: 941.6'x627.1'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 08:24:00.746 +45:59:58.90 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_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits (1st new image)
verification OK: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Image size: 940.7'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 08:24:22.522 +46:00:16.07 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 08:24:00.746 +45:59:58.90
Second-epoch image center 08:24:22.522 +46:00:16.07
Angular distance between the image centers 0.0632 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits (2nd new image)
verification OK: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Image size: 940.6'x624.5'  15.7(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 08:24:26.863 +45:59:43.75 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 08:24:00.746 +45:59:58.90
Second-epoch image center 08:24:26.863 +45:59:43.75
Angular distance between the image centers 0.0757 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  08:24:22.522 +46:00:16.07
Second-epoch second image center 08:24:26.863 +45:59:43.75
Angular distance between the image centers 0.01544 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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits &> /tmp/tmp.h4Spccg66K
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits &> /tmp/tmp.Yt4Km9h65E
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits &> /tmp/tmp.GZbSZttQuS
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits &> /tmp/tmp.IuSii2aRP4
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Calibrating the magnitude scale
Found non-empty wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat 
Found non-empty wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits and wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat
The reference image (wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits) and catalog (wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat) found
'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat' -> 'wcsmag.cat'
Read 64555 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9044 to 138.6734 deg, Dec +39.9650 to +51.3469 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 113.9044 to 138.6734 deg, Dec 39.9650 to 51.3469 deg
Loaded 6205 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): 4039 out of 4743 total matches.
Matched with Tycho-2 4743 out of 64555 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.816500
a=0.000000 b=1.000000 c=22.816500
From vast_summary.log: estimated ref. image limiting mag.:  -7.01
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.81

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.81

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 64555 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9044 to 138.6734 deg, Dec +39.9650 to +51.3469 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 113.9044 to 138.6734 deg, Dec 39.9650 to 51.3469 deg
Loaded 6205 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): 4039 out of 4743 total matches.
Matched with Tycho-2 4743 out of 64555 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Forced-photometry filter: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits -> calib.txt_param_ref_wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (aperture=4.7)
Read 64532 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 113.9425 to 138.6740 deg, Dec +39.9649 to +51.3363 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 113.9425 to 138.6740 deg, Dec 39.9649 to 51.3363 deg
Loaded 6189 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): 4029 out of 4740 total matches.
Matched with Tycho-2 4740 out of 64532 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Forced-photometry filter: calibrated wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits -> calib.txt_param_ref_wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits (aperture=4.7)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 12 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.0 pix  Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
 2.0 pix  Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
 2.3 pix  fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
 2.2 pix  fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Limiting magnitude estimates:
 15.8 mag.  Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
 15.8 mag.  Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
 14.5 mag.  fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
 14.5 mag.  fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
All-image limiting magnitude estimate:  14.5 (SNR )  14.0 (80% of stars)  with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.h4Spccg66K (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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits' -> 'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS_IMAGE_NAME=wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS-calibrated image found: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
Checking if the catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits alredy exist and is non-empty...
Catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits
WCS catalog name: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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=30, blended=3777, bad_region=15682, passed=64525
Got 64525 stars (including 46056 good ones) from the SExtractor catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat 
util/solve_plate_with_UCAC5 got 64525 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4912 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4909 matched stars entering correct_measured_positions(), 4909 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4909 matched stars entering correct_measured_positions(), 52204 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 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4911 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 52204 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.33" 
Accuracy estimation diagnostic: 4908 matched stars entering correct_measured_positions(), 52204 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4908 stars left (next iteration limit 5399)
Stop iterations.


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

SIP_REFIT: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits N_match=4908 sigma_overall_arcsec=0.385 sigma_q1_arcsec=0.513 sigma_q2_arcsec=0.367 sigma_q3_arcsec=0.341 sigma_q4_arcsec=0.328 n_q1=1414 n_q2=975 n_q3=1519 n_q4=1000 worst_quadrant_to_overall_ratio=1.332
The image catalog is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits -region wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.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.Yt4Km9h65E (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/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits' -> 'wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS_IMAGE_NAME=wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS-calibrated image found: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
Checking if the catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits alredy exist and is non-empty...
Catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits
WCS catalog name: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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=33, blended=3795, bad_region=15717, passed=64499
Got 64499 stars (including 45993 good ones) from the SExtractor catalog wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat 
util/solve_plate_with_UCAC5 got 64499 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.6'
Seting catalog search parameters based on the expected field of view 941.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013078 (47.1 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010462 (37.7 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4914 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4911 matched stars entering correct_measured_positions(), 4911 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4911 matched stars entering correct_measured_positions(), 52164 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 708 (Dec 40.0 to 51.3)
Done reading UCAC5 zone files...
Matched 4914 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4911 matched stars entering correct_measured_positions(), 52164 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Accuracy estimation diagnostic: 4911 matched stars entering correct_measured_positions(), 52164 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 4911 stars left (next iteration limit 5402)
Stop iterations.


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

SIP_REFIT: wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits N_match=4911 sigma_overall_arcsec=0.386 sigma_q1_arcsec=0.508 sigma_q2_arcsec=0.386 sigma_q3_arcsec=0.348 sigma_q4_arcsec=0.317 n_q1=1419 n_q2=980 n_q3=1508 n_q4=1004 worst_quadrant_to_overall_ratio=1.315
The image catalog is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits -region wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.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.GZbSZttQuS (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS_IMAGE_NAME=wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS-calibrated image found: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Checking if the catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits alredy exist and is non-empty...
Catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
WCS catalog name: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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=4, blended=1100, bad_region=2890, passed=31024
Got 31024 stars (including 27153 good ones) from the SExtractor catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat 
util/solve_plate_with_UCAC5 got 31024 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.7'
Seting catalog search parameters based on the expected field of view 940.7 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013065 (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 0.010452 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4907 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4897 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: 4897 matched stars entering correct_measured_positions(), 28936 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4906 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 28936 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4898 matched stars entering correct_measured_positions(), 28936 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4898 stars left (next iteration limit 5386)
Stop iterations.


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

SIP_REFIT: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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=4898 robust_rms=5.632 arcsec worst_quadrant_rms=12.029 arcsec
SIP_REFIT: SIP order 3 trial: matched=4898 robust_rms=0.464 arcsec worst_quadrant_rms=0.488 arcsec
SIP_REFIT: SIP order 5 trial: matched=4898 robust_rms=0.389 arcsec worst_quadrant_rms=0.416 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4898 robust_rms_before=1.572 arcsec robust_rms_before_corrected=0.378 arcsec robust_rms_after=0.389 arcsec worst_quadrant_rms_before=0.413 worst_quadrant_rms_after=0.416
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.413 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits N_match=4898 sigma_overall_arcsec=0.371 sigma_q1_arcsec=0.433 sigma_q2_arcsec=0.384 sigma_q3_arcsec=0.358 sigma_q4_arcsec=0.359 n_q1=1767 n_q2=621 n_q3=1771 n_q4=739 worst_quadrant_to_overall_ratio=1.165
The image catalog is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits -region wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.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.IuSii2aRP4 (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS_IMAGE_NAME=wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS-calibrated image found: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Checking if the catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits alredy exist and is non-empty...
Catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat corresponding to the image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
WCS catalog name: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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=1211, bad_region=3073, passed=31904
Got 31904 stars (including 27829 good ones) from the SExtractor catalog wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat 
util/solve_plate_with_UCAC5 got 31904 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.6'
Seting catalog search parameters based on the expected field of view 940.6 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013064 (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 0.010451 (37.6 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4906 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4897 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: 4897 matched stars entering correct_measured_positions(), 29682 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4905 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 29682 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 4899 matched stars entering correct_measured_positions(), 29682 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 4899 stars left (next iteration limit 5386)
Stop iterations.


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

SIP_REFIT: wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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=4899 robust_rms=5.674 arcsec worst_quadrant_rms=11.603 arcsec
SIP_REFIT: SIP order 3 trial: matched=4899 robust_rms=0.476 arcsec worst_quadrant_rms=0.542 arcsec
SIP_REFIT: SIP order 5 trial: matched=4899 robust_rms=0.406 arcsec worst_quadrant_rms=0.444 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4899 robust_rms_before=1.548 arcsec robust_rms_before_corrected=0.380 arcsec robust_rms_after=0.406 arcsec worst_quadrant_rms_before=0.405 worst_quadrant_rms_after=0.444
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.405 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits N_match=4899 sigma_overall_arcsec=0.383 sigma_q1_arcsec=0.420 sigma_q2_arcsec=0.380 sigma_q3_arcsec=0.390 sigma_q4_arcsec=0.358 n_q1=1778 n_q2=620 n_q3=1761 n_q4=740 worst_quadrant_to_overall_ratio=1.096
The image catalog is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits -region wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.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_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Saving fully-calibrated image wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/wcs_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits
Preparing the HTML report for the field Lyn-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits at 08:11:48.39 +45:13:39.7:  13.54 +/- 0.03  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits at 08:23:53.28 +47:36:14.3:  13.68 +/- 0.03  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits at 08:09:11.37 +47:08:26.8:  12.73 +/- 0.02  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-10_20.00sec_-15.00C_LIGHT_0259.fits at 08:09:48.49 +48:21:31.6:  13.95 +/- 0.05  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits at 08:11:48.39 +45:13:39.7:  13.49 +/- 0.03  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits at 08:09:11.37 +47:08:26.8:  12.72 +/- 0.02  detection
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits at 08:23:53.28 +47:36:14.3:  13.58 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.63 +/- 0.02
Forced photometry reference-image weighted average:  12.72 +/- 0.01
Forced photometry reference-image weighted average:  13.52 +/- 0.02
Forced photometry filter REJECTED candidate at 08:11:48.39 +45:13:39.7: ref_mag=13.52 +/- 0.02 new_mean_mag=13.3236 delta=0.19 (need > 0.90)
Forced photometry filter REJECTED candidate at 08:23:53.28 +47:36:14.3: ref_mag=13.63 +/- 0.02 new_mean_mag=13.8691 delta=-0.24 (need > 0.90)
Forced photometry filter REJECTED candidate at 08:09:11.37 +47:08:26.8: ref_mag=12.72 +/- 0.01 new_mean_mag=12.8628 delta=-0.14 (need > 0.90)
Forced photometry on wcs_Lyn-04-Q2b1x1_2026-02-11_00-33-57_20.00sec_-15.00C_LIGHT_0260.fits at 08:09:48.49 +48:21:31.6:  13.98 +/- 0.05  detection
Forced photometry reference-image weighted average:  13.97 +/- 0.03
Forced photometry filter REJECTED candidate at 08:09:48.49 +48:21:31.6: ref_mag=13.97 +/- 0.03 new_mean_mag=13.7557 delta=0.21 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 1s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
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Considering the candidate 78115_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 78115_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 1     2026 09 14.36472    2461297.86472    13.87    08:23:53.27 +47:36:13.6   4769 4162   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Discovery image 2     2026 09 14.36560    2461297.86560    13.87    08:23:53.30 +47:36:14.9   4762 4168   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

  
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Considering the candidate 78117_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 78117_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    12.99    08:19:22.40 +48:54:50.2   4339 4977   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:19:22.35 +48:54:50.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 78118_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 78118_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    12.46    08:10:20.74 +41:57:59.4   3129 0834   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:10:20.75 +41:57:58.9 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 81397_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 81397_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 1     2026 09 14.36472    2461297.86472    12.85    08:09:11.41 +47:08:25.9   3253 3963   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Discovery image 2     2026 09 14.36560    2461297.86560    12.88    08:09:11.33 +47:08:27.7   3246 3969   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

  
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Considering the candidate 81963_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 81963_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.04    08:08:33.11 +49:01:47.5   3271 5115   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:08:33.06 +49:01:47.6 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 82280_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 82280_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.18    08:03:12.00 +45:38:19.6   2543 3118   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:03:11.94 +45:38:19.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 82753_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 82753_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.46    08:00:49.80 +45:38:10.8   2292 3141   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:00:49.78 +45:38:10.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 83301_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 83301_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.44    08:32:01.39 +47:39:26.6   5589 4186   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:32:01.41 +47:39:26.7 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 83877_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 83877_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.66    08:24:50.40 +48:53:13.9   4881 4941   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:24:50.38 +48:53:13.8 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 83920_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 83920_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 1     2026 09 14.36472    2461297.86472    13.45    08:11:48.39 +45:13:39.7   3441 2790   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Discovery image 2     2026 09 14.36560    2461297.86560    13.26    08:11:48.40 +45:13:39.7   3433 2796   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

  
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Considering the candidate 84520_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 84520_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 1     2026 09 14.36472    2461297.86472    13.74    08:09:48.59 +48:21:32.2   3373 4694   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-45-01_20.00sec_-0.00C_LIGHT_0444.fits
Discovery image 2     2026 09 14.36560    2461297.86560    13.77    08:09:48.39 +48:21:31.1   3365 4699   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

  
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Considering the candidate 85228_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445
The candidate 85228_fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445 did not pass the final checks
Discovery image 2     2026 09 14.36560    2461297.86560    13.56    08:24:59.41 +43:33:47.7   4803 1725   /data_ssd/NMW-TexasTech/workdir//img_2026-09-14_CI_Lyn-04-Q2b1x1_042259_TTUQ2b1x1_1167660_5XD0Zarc/fd_Lyn-04-Q2b1x1_2026-09-14_03-46-17_20.00sec_0.00C_LIGHT_0445.fits

**** FOUND  08:24:59.38 +43:33:47.3 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Lyn-04-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed Lyn-04-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)2461297.86471571 -observatory V36
12:21:32.61 -01:59:05.0 Mercury (-0.5mag)
13:52:20.73 -17:00:47.6 Venus (-4.8mag)
07:32:50.79 +22:28:17.6 Mars (1.2mag)
09:14:46.53 +16:33:04.4 Jupiter (-1.8mag)
00:50:00.80 +02:26:37.0 Saturn (0.4mag)
04:13:41.20 +21:01:59.8 Uranus (5.7mag)
00:13:03.76 -00:07:49.2 Neptune (7.7mag)
20:25:08.46 -23:41:04.8 Pluto (14.5mag)
13:47:14.55 -16:16:44.1 Moon (-9.1mag)
-rw-r--r-- 1 apache apache 362 Sep 14 04:25 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461297.86471571:
09:14:50.28 +16:32:45.8 Io (6.0mag)
09:14:42.95 +16:33:23.9 Europa (6.2mag)
09:14:57.21 +16:32:09.5 Ganymede (5.6mag)
09:15:15.49 +16:30:40.1 Callisto (6.8mag)
09:12:49.39 +16:52:22.9 Himalia (15.7mag)
09:14:44.33 +16:33:15.6 Thebe (16.5mag)
09:12:20.99 +16:46:20.1 Elara (17.7mag)
09:18:28.62 +15:58:43.3 Pasiphae (17.9mag)
09:15:20.75 +16:52:48.5 Carme (18.9mag)
00:49:58.66 +02:26:02.5 Titan (8.3mag)
00:50:03.83 +02:26:33.7 Rhea (9.6mag)
00:49:55.77 +02:28:12.1 Iapetus (11.0mag)
00:50:00.66 +02:26:59.0 Hyperion (14.3mag)
00:48:40.47 +02:15:44.0 Phoebe (16.3mag)
-rw-r--r-- 1 apache apache 568 Sep 14 04:25 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461297.86471571:
23:02:45.06 +08:05:38.1 JWST
15:46:32.08 +49:25:53.5 Chandra
06:38:03.85 +11:53:46.8 XMM-Newton
-rw-r--r-- 1 apache apache 96 Sep 14 04:25 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461297.86471571 -observatory V36
03:44:03.63 +19:38:17.4 17.3mag P/1996 R2 (Lagerkvist)
18:05:50.89 -34:04:36.8 14.4mag P/2010 H2 (Vales)
07:24:37.65 -70:42:12.8 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:16:21.34 +33:53:12.5 17.7mag C/2017 K2 (PANSTARRS)
22:08:00.15 +27:46:30.3 17.5mag C/2022 E2 (ATLAS)
07:15:20.48 +25:50:59.3 16.9mag C/2022 N2 (PANSTARRS)
10:55:59.04 +26:59:01.6 17.1mag C/2022 QE78 (ATLAS)
09:53:06.21 +05:11:35.5 18.0mag C/2022 R6 (PANSTARRS)
15:28:01.23 -16:16:02.9 14.9mag C/2023 R1 (PANSTARRS)
08:44:21.39 +33:21:02.1 15.9mag C/2024 E1 (Wierzchos)
15:07:40.25 +15:14:39.8 17.9mag C/2024 G6 (ATLAS)
18:29:46.41 +42:52:26.6 13.7mag C/2024 J3 (ATLAS)
20:16:52.66 +48:51:17.7 17.4mag C/2024 R4 (PANSTARRS)
05:39:05.69 -13:07:59.7 15.0mag C/2024 T5 (ATLAS)
07:13:45.35 +17:06:17.8 17.8mag C/2025 J1 (Borisov)
11:29:31.73 +18:12:38.7 16.7mag C/2025 V2 (Rankin)
13:25:35.28 -00:27:35.0 16.8mag C/2025 Y1 (ATLAS)
17:01:32.49 +72:47:04.2 15.9mag C/2026 A2 (Bok)
03:01:40.93 +45:51:09.1 17.5mag C/2026 B2 (Sun-Gao)
12:19:52.02 +11:51:39.1 17.6mag A/2026 E1
22:31:56.45 -35:14:02.0 13.6mag 10P/Tempel
01:30:30.60 +38:19:44.4 17.6mag 11P/Tempel-Swift-LINEAR
11:52:55.70 -06:00:21.9 16.3mag 29P/Schwassmann-Wachmann
12:22:48.08 -07:18:50.6 17.7mag 63P/Wild
06:52:40.03 +18:40:48.6 17.1mag 78P/Gehrels
03:16:51.75 +15:02:26.0 17.2mag 88P/Howell
06:02:05.77 +31:17:36.4 17.3mag 112P/Urata-Niijima
07:52:23.57 +22:54:55.0 17.9mag 114P/Wiseman-Skiff
10:43:33.56 +19:20:52.7 14.8mag 123P/West-Hartley
13:02:20.97 -23:45:58.5 17.5mag 124P/Mrkos
06:25:41.99 +20:24:21.2 15.8mag 128P/Shoemaker-Holt
01:58:08.72 -16:23:33.6 14.7mag 161P/Hartley-IRAS
09:31:35.93 +09:56:49.3 12.3mag 169P/NEAT
03:29:25.44 +07:50:00.8 14.5mag 220P/McNaught
05:06:40.40 +38:27:07.9 15.3mag 260P/McNaught
08:50:29.27 +34:54:36.5 17.3mag 295P/LINEAR
15:30:01.62 -01:02:16.3 17.9mag 391P/Kowalski
09:33:49.21 +16:29:28.3 17.8mag 450P/LONEOS
-rw-r--r-- 1 apache apache 1.9K Sep 14 04:25 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.64 +34:24:35.00  SN2026aaiv  2026-09-7.25 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.74 -22:25:28.60  V8055  2026-08-30.22 10.89
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.67 +32:04:22.70  AT2026ovz  2026-06-14.6 15.52
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
-rw-r--r-- 1 apache apache 5.7K Sep 14 04:25 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
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
-rw-r--r-- 1 apache apache 190K Sep 14 04:25 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
17:02:00.172 +38:05:26.27  AT 2026zko  2026-08-12.18 20.7064
15:57:37.112 +23:51:58.15  AT 2026zkn  2026-08-17.16 19.8515
17:29:19.548 +41:42:49.74  AT 2026zkm  2026-08-21.84 18.47
03:46:22.830 +30:25:47.20  AT 2026zkl  2026-08-18.77 18.14
22:45:35.880 +38:33:43.85  SN 2026zkk  2026-08-18.90 17.23
04:53:33.581 -37:44:08.19  AT 2026zkj  2026-08-19.11 18.412
04:33:11.557 -27:00:23.12  AT 2026zki  2026-08-21.62 19.445
01:25:32.323 -38:34:11.66  AT 2026zkh  2026-08-21.51 19.306
20:45:57.860 -19:30:34.01  AT 2026zkg  2026-08-15.29 20.7465
19:53:00.400 -05:25:51.19  AT 2026zkf  2026-08-15.20 20.945
00:49:43.392 -19:44:08.50  SN 2026zke  2026-08-19.38 20.2324
03:05:48.468 -05:17:22.75  AT 2026zkd  2026-08-16.45 20.4311
06:08:49.579 +42:47:00.29  AT 2026zkc  2026-08-18.50 19.8574
21:17:07.485 +01:30:33.19  AT 2026zkb  2026-08-16.25 20.5984
00:01:01.044 -18:02:57.76  AT 2026zka  2026-08-15.40 20.6822
21:30:19.982 +02:15:49.72  AT 2026zjz  2026-08-15.33 20.8602
04:20:07.500 -42:27:00.50  AT 2026zjy  2026-08-21.36 15.4
01:46:22.348 +15:27:02.25  AT 2026zjx  2026-08-19.38 20.8195
01:38:07.380 -17:17:41.98  AT 2026zjw  2026-08-21.38 19.6105
01:15:47.199 -22:02:12.71  AT 2026zjv  2026-08-21.51 18.299
-rw-r--r-- 1 apache apache 89K Sep 14 04:25 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Mon Sep 14 04:24:57 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 4s (0.07 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 22s (0.37 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 6s (0.10 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 34s (0.57 min)
TIMING SExtractor: 7 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 3 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 13s (0.22 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 0s (0.00 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 9s (0.15 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 25s (0.42 min)
FIELD_Lyn-04-Q2b1x1: 71s (1.18 min)
=======================================
TOTAL_RUNTIME: 73s (1.22 min)
Finished: Mon Sep 14 04:26:10 CDT 2026