FITS images used in this processing run:

Field Scl-01-Q1b1x1 reference image: Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Field Scl-01-Q1b1x1 reference image: Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Field Scl-01-Q1b1x1 second-epoch image: Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Field Scl-01-Q1b1x1 second-epoch image: Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461228.89270660 07.07.2026 09:25:19.850   /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
First image: 2461228.89270660 07.07.2026 09:25:19.850   /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Last  image: 2461276.73148971 24.08.2026 05:33:10.711   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -8.60
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 3 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  1770
Objects passed selection criteria:  1769
Measurements per detected object (mean, median, min, max):    3.2    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.2    4.0    2    4
Average stars detected per image: 1445.25
Average stars matched: 1411 (97.6302 %)
Memory usage VmPeak:   228812 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Aug 20 15:05:04 CDT 2026
VaST build number  1.0rc89-192-g23359006
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-20)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Mon Aug 24 00:57:18 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: 2461228.89270660 07.07.2026 09:25:19.850   /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
First image: 2461228.89270660 07.07.2026 09:25:19.850   /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Last  image: 2461276.73148971 24.08.2026 05:33:10.711   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 9
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -8.31
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: 5 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):  11265
Objects passed selection criteria:  11243
Measurements per detected object (mean, median, min, max):    3.2    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.2    4.0    2    4
Average stars detected per image: 9618.5
Average stars matched: 9300.5 (96.6939 %)
Memory usage VmPeak:   237160 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Aug 20 15:05:04 CDT 2026
VaST build number  1.0rc89-192-g23359006
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-20)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Mon Aug 24 00:58:00 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-1 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ1b1x1/TTUQ1_bad_region.lst
CAMERA_SETTINGS= TTUQ1b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ1b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ1.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ1b1x1/flats
FRAME_EDGE_OFFSET_PIX= 100
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Scl-01-Q1b1x1
#######################################
########### Starting Scl-01-Q1b1x1 ###########
Processing Scl-01-Q1b1x1
server tau has sufficient free disk space available: 436611 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 436611 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.png' -> 'transient_report/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits_preview.png'

Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits


renamed 'Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.png' -> 'transient_report/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits_preview.png'

Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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= 3717.8694
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 587.5175
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 7491.2976
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1965.0134
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 7437.7454
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1944.3640
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 2.01494
INFO:                  SECOND_EPOCH__SD_ratio= 0.011
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ1b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     31.2999992370605 / [degC] Focuser temperature
AMBTEMP =                 29.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.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= '2026-08-24T00:32:03.5840114' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-08-24T05:32:03.5840114' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61276.2305970369 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-08-24T05:32:13.4848773' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61276.2307116203 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-33d3d743814b8b447' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU1'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     359.996082505906 / [deg] RA of telescope" status=0
Record 32: "DEC     =    -25.9995635213684 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.7305555555556 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     137.131388888889 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.64255833713417 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Scl-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '00 00 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-26 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  =                29548 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29548 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     31.2999992370605 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     31.2999992370605 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 10.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 30.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               900.71 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 29.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 51.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            13.701096 / [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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/d_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits :)

Spent 0.525322 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/d_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     31.2999992370605 / [degC] Focuser temperature
AMBTEMP =                 29.5 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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= '2026-08-24T00:33:10.7116098' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-08-24T05:33:10.7116098' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61276.2313739699 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-08-24T05:33:20.6129551' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =      61276.231488565 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-33d3d743814b8b447' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU1'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =      359.99608242503 / [deg] RA of telescope" status=0
Record 32: "DEC     =    -25.9995635227473 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.8908333333333 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     137.338333333333 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.60771549406323 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1015.0 / [m] Observation site elevation" status=0
Record 38: "SITELAT =     33.7480555555556 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=    -101.958333333333 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Scl-01'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '00 00 00'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-26 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  =                29548 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                29548 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     31.2999992370605 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     31.2999992370605 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 10.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 30.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               900.71 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 29.5 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 51.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            18.401472 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            13.701096 / [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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ1b1x1/darks/mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/d_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits :)

Spent 0.493349 seconds 
renamed 'mdark_TTUQ1b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ1b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/d_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ1b1x1/flats/mff_TTUQ1b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 36313.440328
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits :)


No overscan detected - all values seem high! (left_median=23343.0, right_median=27331.5)
renamed 'mff_TTUQ1b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Previews of the CALIBRATED second-epoch images:


fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits



fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
  
SExtractor catalog cache: saved Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.cat to cache
SExtractor catalog cache: saved Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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: 2461276.73071278
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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits exists and is non-empty
wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits exists and is non-empty
wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits exists and is non-empty
wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (1st reference image)
verification OK: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Image size: 937.8'x624.7'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 23:59:59.880 -25:59:51.98 J2000 4789.000 3195.000 
###################################
The image scale is 5.88"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.8"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits (1st new image)
verification OK: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Image size: 943.2'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.91"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 00:00:11.842 -26:02:36.78 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 23:59:59.880 -25:59:51.98
Second-epoch image center 00:00:11.842 -26:02:36.78
Angular distance between the image centers 0.0640 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits (2nd new image)
verification OK: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Image size: 943.1'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.91"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 00:00:09.446 -26:02:02.97 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 23:59:59.880 -25:59:51.98
Second-epoch image center 00:00:09.446 -26:02:02.97
Angular distance between the image centers 0.0511 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  00:00:11.842 -26:02:36.78
Second-epoch second image center 00:00:09.446 -26:02:02.97
Angular distance between the image centers 0.01299 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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits &> /tmp/tmp.6PQqPL24sk
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits &> /tmp/tmp.m1NaEgsYUQ
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits &> /tmp/tmp.OXy4XhbftS
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits &> /tmp/tmp.H2OCgj64l2
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Calibrating the magnitude scale
Found non-empty wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
Found non-empty wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat
The reference image (wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits) and catalog (wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat) found
'wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat' -> 'wcsmag.cat'
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 1832 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 351.0308 to 9.1144 deg, Dec -31.2631 to -20.5811 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 351.0308 to 9.1144 deg, Dec -31.2631 to -20.5811 deg
Loaded 4401 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): 1460 out of 1482 total matches.
Matched with Tycho-2 1482 out of 1832 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.281850
a=0.000000 b=1.000000 c=22.281850
From vast_summary.log: estimated ref. image limiting mag.:  -8.60
Updating vast_summary.log: Estimated ref. image limiting mag.:  13.68

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  13.68

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 1832 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 351.0308 to 9.1144 deg, Dec -31.2631 to -20.5811 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 351.0308 to 9.1144 deg, Dec -31.2631 to -20.5811 deg
Loaded 4401 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): 1460 out of 1482 total matches.
Matched with Tycho-2 1482 out of 1832 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Forced-photometry filter: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits -> calib.txt_param_ref_wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (aperture=6.4)
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 1834 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 351.0288 to 9.1191 deg, Dec -31.2300 to -20.5810 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 351.0288 to 9.1191 deg, Dec -31.2300 to -20.5810 deg
Loaded 4388 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): 1496 out of 1514 total matches.
Matched with Tycho-2 1514 out of 1834 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Forced-photometry filter: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits -> calib.txt_param_ref_wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits (aperture=6.3)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.3 pix  Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
 2.3 pix  Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
 2.4 pix  fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
 2.4 pix  fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Limiting magnitude estimates:
 13.7 mag.  Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
 13.7 mag.  Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
 13.0 mag.  fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
 13.0 mag.  fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
All-image limiting magnitude estimate:  13.0 (SNR )  10.2 (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.6PQqPL24sk (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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits' -> 'wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS_IMAGE_NAME=wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS-calibrated image found: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Checking if the catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits alredy exist and is non-empty...
Catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS catalog name: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=186, bad_region=0, passed=1832
Got 1832 stars (including 1644 good ones) from the SExtractor catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
util/solve_plate_with_UCAC5 got 1832 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010420 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 351.0308 through 0 to 9.1144, gap 9.1144 to 351.0308
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 293 to 349 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 1595 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1593 matched stars entering correct_measured_positions(), 1593 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1593 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.42" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 351.0294 through 0 to 9.1159, gap 9.1159 to 351.0294
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 293 to 349 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 1595 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1593 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Accuracy estimation diagnostic: 1593 matched stars entering correct_measured_positions(), 1831 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Excluding outliers - 1593 stars left (next iteration limit 1752)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits N_match=1593 sigma_overall_arcsec=0.437 sigma_q1_arcsec=0.377 sigma_q2_arcsec=0.460 sigma_q3_arcsec=0.455 sigma_q4_arcsec=0.444 n_q1=428 n_q2=377 n_q3=406 n_q4=382 worst_quadrant_to_overall_ratio=1.053
The image catalog is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits -region wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.m1NaEgsYUQ (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/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits 572.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits' -> 'wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS_IMAGE_NAME=wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS-calibrated image found: wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Checking if the catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits alredy exist and is non-empty...
Catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS catalog name: wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=187, bad_region=0, passed=1834
Got 1834 stars (including 1645 good ones) from the SExtractor catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat 
util/solve_plate_with_UCAC5 got 1834 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 351.0288 through 0 to 9.1191, gap 9.1191 to 351.0288
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 293 to 349 (Dec -31.2 to -20.6)
Done reading UCAC5 zone files...
Matched 1598 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1596 matched stars entering correct_measured_positions(), 1595 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1596 matched stars entering correct_measured_positions(), 1832 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
RA wraps around 0/360 boundary: field RA 351.0291 through 0 to 9.1185, gap 9.1185 to 351.0291
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 293 to 349 (Dec -31.2 to -20.6)
Done reading UCAC5 zone files...
Matched 1598 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1596 matched stars entering correct_measured_positions(), 1832 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Accuracy estimation diagnostic: 1596 matched stars entering correct_measured_positions(), 1832 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 1596 stars left (next iteration limit 1755)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits N_match=1596 sigma_overall_arcsec=0.406 sigma_q1_arcsec=0.354 sigma_q2_arcsec=0.433 sigma_q3_arcsec=0.444 sigma_q4_arcsec=0.407 n_q1=432 n_q2=379 n_q3=403 n_q4=382 worst_quadrant_to_overall_ratio=1.093
The image catalog is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits -region wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.OXy4XhbftS (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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS_IMAGE_NAME=wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS-calibrated image found: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Checking if the catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits alredy exist and is non-empty...
Catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS catalog name: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=106, bad_region=0, passed=1072
Got 1072 stars (including 965 good ones) from the SExtractor catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat 
util/solve_plate_with_UCAC5 got 1072 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 943.2'
Seting catalog search parameters based on the expected field of view 943.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013100 (47.2 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010480 (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
RA wraps around 0/360 boundary: field RA 350.7639 through 0 to 8.8158, gap 8.8158 to 350.7639
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 925 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 925 matched stars entering correct_measured_positions(), 918 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 925 matched stars entering correct_measured_positions(), 1060 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
RA wraps around 0/360 boundary: field RA 350.7636 through 0 to 8.8164, gap 8.8164 to 350.7636
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 924 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 923 matched stars entering correct_measured_positions(), 1061 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 923 matched stars entering correct_measured_positions(), 1061 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 923 stars left (next iteration limit 1017)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=923 robust_rms=8.143 arcsec worst_quadrant_rms=14.543 arcsec
SIP_REFIT: SIP order 3 trial: matched=923 robust_rms=0.463 arcsec worst_quadrant_rms=0.840 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=923 robust_rms_before=1.290 arcsec robust_rms_before_corrected=0.348 arcsec robust_rms_after=0.463 arcsec worst_quadrant_rms_before=0.520 worst_quadrant_rms_after=0.840
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.520 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits N_match=923 sigma_overall_arcsec=0.342 sigma_q1_arcsec=0.342 sigma_q2_arcsec=0.513 sigma_q3_arcsec=0.259 sigma_q4_arcsec=0.365 n_q1=278 n_q2=179 n_q3=269 n_q4=197 worst_quadrant_to_overall_ratio=1.499
The image catalog is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits -region wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.H2OCgj64l2 (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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS_IMAGE_NAME=wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS-calibrated image found: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Checking if the catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits alredy exist and is non-empty...
Catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS catalog name: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=114, bad_region=0, passed=1088
Got 1088 stars (including 974 good ones) from the SExtractor catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat 
util/solve_plate_with_UCAC5 got 1088 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 943.1'
Seting catalog search parameters based on the expected field of view 943.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013099 (47.2 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010479 (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
RA wraps around 0/360 boundary: field RA 350.7640 through 0 to 8.8156, gap 8.8156 to 350.7640
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 935 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 935 matched stars entering correct_measured_positions(), 929 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 935 matched stars entering correct_measured_positions(), 1078 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
RA wraps around 0/360 boundary: field RA 350.7638 through 0 to 8.8160, gap 8.8160 to 350.7638
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 934 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 933 matched stars entering correct_measured_positions(), 1078 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Accuracy estimation diagnostic: 933 matched stars entering correct_measured_positions(), 1078 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 933 stars left (next iteration limit 1028)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=933 robust_rms=8.258 arcsec worst_quadrant_rms=12.309 arcsec
SIP_REFIT: SIP order 3 trial: matched=933 robust_rms=0.505 arcsec worst_quadrant_rms=0.688 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=933 robust_rms_before=1.255 arcsec robust_rms_before_corrected=0.328 arcsec robust_rms_after=0.505 arcsec worst_quadrant_rms_before=0.450 worst_quadrant_rms_after=0.688
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.450 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits N_match=933 sigma_overall_arcsec=0.343 sigma_q1_arcsec=0.388 sigma_q2_arcsec=0.499 sigma_q3_arcsec=0.271 sigma_q4_arcsec=0.312 n_q1=278 n_q2=184 n_q3=263 n_q4=208 worst_quadrant_to_overall_ratio=1.455
The image catalog is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits -region wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
Saving the final (post-refit) wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits to local_wcs_cache/
'wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits' -> 'local_wcs_cache/wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits'
Saving the final (post-refit) wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits to local_wcs_cache/
'wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits' -> 'local_wcs_cache/wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits'
Saving the final (post-refit) wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits to local_wcs_cache/
'wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits' -> 'local_wcs_cache/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits'
Saving the final (post-refit) wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits to local_wcs_cache/
'wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits' -> 'local_wcs_cache/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits sigma_overall=0.437 worst_q_ratio=1.053
ref2=Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits sigma_overall=0.406 worst_q_ratio=1.093
new1=fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits sigma_overall=0.342 worst_q_ratio=1.499
new2=fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits sigma_overall=0.343 worst_q_ratio=1.455
reference average sigma_overall=0.4215 worst_q_ratio=1.073
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418_astrometric_residuals.png (1593 matched stars from wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.39 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419_astrometric_residuals.png (1596 matched stars from wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.37 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200_astrometric_residuals.png (923 matched stars from wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.31 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201_astrometric_residuals.png (933 matched stars from wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.31 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits'
Saving fully-calibrated image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits'
Preparing the HTML report for the field Scl-01-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field Scl-01-Q1b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
  
SExtractor catalog cache: saved Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.cat to cache
SExtractor catalog cache: saved Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Creating symlink local_wcs_cache/wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Creating symlink local_wcs_cache/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Creating symlink local_wcs_cache/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits exists and is non-empty
wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits exists and is non-empty
wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits exists and is non-empty
wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (1st reference image)
verification OK: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Image size: 937.8'x624.7'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 23:59:59.880 -25:59:51.98 J2000 4789.000 3195.000 
###################################
The image scale is 5.88"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.8"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits (1st new image)
verification OK: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Image size: 943.2'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.91"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 00:00:11.842 -26:02:36.78 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 23:59:59.880 -25:59:51.98
Second-epoch image center 00:00:11.842 -26:02:36.78
Angular distance between the image centers 0.0640 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits (2nd new image)
verification OK: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Image size: 943.1'x627.2'  15.7(deg)x10.5(deg)  9576x6388 pix
Image scale: 5.91"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 00:00:09.446 -26:02:02.97 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 23:59:59.880 -25:59:51.98
Second-epoch image center 00:00:09.446 -26:02:02.97
Angular distance between the image centers 0.0511 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  00:00:11.842 -26:02:36.78
Second-epoch second image center 00:00:09.446 -26:02:02.97
Angular distance between the image centers 0.01299 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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits &> /tmp/tmp.OYE8jPh6E7
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits &> /tmp/tmp.Q3EBZ0XfjZ
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits &> /tmp/tmp.KDdG49NXIn
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits &> /tmp/tmp.H6vfDmWYmG
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Calibrating the magnitude scale
Found non-empty wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
Found non-empty wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits and wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat
The reference image (wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits) and catalog (wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat) found
'wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat' -> 'wcsmag.cat'
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 11986 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 350.9560 to 9.1144 deg, Dec -31.2631 to -20.5314 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 350.9560 to 9.1144 deg, Dec -31.2631 to -20.5314 deg
Loaded 4450 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): 3548 out of 3632 total matches.
Matched with Tycho-2 3632 out of 11986 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.120250
a=0.000000 b=1.000000 c=22.120250
From vast_summary.log: estimated ref. image limiting mag.:  -8.31
Updating vast_summary.log: Estimated ref. image limiting mag.:  13.81

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  13.81

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 11986 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 350.9560 to 9.1144 deg, Dec -31.2631 to -20.5314 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 350.9560 to 9.1144 deg, Dec -31.2631 to -20.5314 deg
Loaded 4450 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): 3548 out of 3632 total matches.
Matched with Tycho-2 3632 out of 11986 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Forced-photometry filter: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits -> calib.txt_param_ref_wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (aperture=4.9)
The field straddles RA=0: the RA boundaries wrap around (min > max)
Read 12014 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 350.9532 to 9.1191 deg, Dec -31.2609 to -20.5233 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 350.9532 to 9.1191 deg, Dec -31.2609 to -20.5233 deg
Loaded 4454 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): 3592 out of 3675 total matches.
Matched with Tycho-2 3675 out of 12014 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Forced-photometry filter: calibrated wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits -> calib.txt_param_ref_wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits (aperture=4.9)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 8 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.1 pix  Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
 2.1 pix  Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
 2.4 pix  fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
 2.3 pix  fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Limiting magnitude estimates:
 13.8 mag.  Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
 13.8 mag.  Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
 13.1 mag.  fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
 13.1 mag.  fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
All-image limiting magnitude estimate:  13.1 (SNR )  12.6 (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.OYE8jPh6E7 (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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits 570.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits' -> 'wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS_IMAGE_NAME=wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS-calibrated image found: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
Checking if the catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits alredy exist and is non-empty...
Catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits
WCS catalog name: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=7, blended=392, bad_region=0, passed=11979
Got 11979 stars (including 11576 good ones) from the SExtractor catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat 
util/solve_plate_with_UCAC5 got 11979 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.8'
Seting catalog search parameters based on the expected field of view 937.8 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013025 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010420 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.9560 through 0 to 9.1144, gap 9.1144 to 350.9560
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 293 to 349 (Dec -31.3 to -20.5)
Done reading UCAC5 zone files...
Matched 4878 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4874 matched stars entering correct_measured_positions(), 4874 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.46" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4874 matched stars entering correct_measured_positions(), 11979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.45" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.9542 through 0 to 9.1163, gap 9.1163 to 350.9542
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 293 to 349 (Dec -31.3 to -20.5)
Done reading UCAC5 zone files...
Matched 4879 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 11979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.46" 
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 11979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.47" 
Excluding outliers - 4876 stars left (next iteration limit 5361)
Stop iterations.


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

SIP_REFIT: wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.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_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits N_match=4876 sigma_overall_arcsec=0.496 sigma_q1_arcsec=0.468 sigma_q2_arcsec=0.516 sigma_q3_arcsec=0.584 sigma_q4_arcsec=0.435 n_q1=1298 n_q2=1142 n_q3=1206 n_q4=1230 worst_quadrant_to_overall_ratio=1.177
The image catalog is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits -region wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.Q3EBZ0XfjZ (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/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits 572.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits' -> 'wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS_IMAGE_NAME=wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS-calibrated image found: wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
Checking if the catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits alredy exist and is non-empty...
Catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat corresponding to the image wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits
WCS catalog name: wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=2, blended=351, bad_region=0, passed=12012
Got 12012 stars (including 11639 good ones) from the SExtractor catalog wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat 
util/solve_plate_with_UCAC5 got 12012 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.9532 through 0 to 9.1191, gap 9.1191 to 350.9532
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 293 to 349 (Dec -31.3 to -20.5)
Done reading UCAC5 zone files...
Matched 4877 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 4873 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 12012 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.9537 through 0 to 9.1184, gap 9.1184 to 350.9537
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 293 to 349 (Dec -31.3 to -20.5)
Done reading UCAC5 zone files...
Matched 4877 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 12012 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.44" 
Accuracy estimation diagnostic: 4873 matched stars entering correct_measured_positions(), 12012 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.45" 
Excluding outliers - 4873 stars left (next iteration limit 5360)
Stop iterations.


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

SIP_REFIT: wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.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_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits N_match=4873 sigma_overall_arcsec=0.474 sigma_q1_arcsec=0.440 sigma_q2_arcsec=0.472 sigma_q3_arcsec=0.563 sigma_q4_arcsec=0.448 n_q1=1308 n_q2=1151 n_q3=1198 n_q4=1216 worst_quadrant_to_overall_ratio=1.188
The image catalog is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits -region wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.KDdG49NXIn (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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS_IMAGE_NAME=wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS-calibrated image found: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Checking if the catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits alredy exist and is non-empty...
Catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
WCS catalog name: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=2, blended=160, bad_region=0, passed=7278
Got 7278 stars (including 7104 good ones) from the SExtractor catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat 
util/solve_plate_with_UCAC5 got 7278 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 943.2'
Seting catalog search parameters based on the expected field of view 943.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013100 (47.2 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010480 (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
RA wraps around 0/360 boundary: field RA 350.6862 through 0 to 8.8208, gap 8.8208 to 350.6862
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 4872 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 4868 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.57" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 7278 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.6857 through 0 to 8.8209, gap 8.8209 to 350.6857
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 4872 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 7278 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.56" 
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 7278 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.57" 
Excluding outliers - 4868 stars left (next iteration limit 5354)
Stop iterations.


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

SIP_REFIT: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.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=4868 robust_rms=7.872 arcsec worst_quadrant_rms=14.376 arcsec
SIP_REFIT: SIP order 3 trial: matched=4868 robust_rms=0.746 arcsec worst_quadrant_rms=0.986 arcsec
SIP_REFIT: SIP order 5 trial: matched=4868 robust_rms=0.638 arcsec worst_quadrant_rms=0.903 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4868 robust_rms_before=1.411 arcsec robust_rms_before_corrected=0.609 arcsec robust_rms_after=0.638 arcsec worst_quadrant_rms_before=0.811 worst_quadrant_rms_after=0.903
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.811 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits N_match=4868 sigma_overall_arcsec=0.557 sigma_q1_arcsec=0.559 sigma_q2_arcsec=0.745 sigma_q3_arcsec=0.492 sigma_q4_arcsec=0.533 n_q1=1386 n_q2=884 n_q3=1472 n_q4=1126 worst_quadrant_to_overall_ratio=1.339
The image catalog is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits -region wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.H6vfDmWYmG (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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS_IMAGE_NAME=wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS-calibrated image found: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Checking if the catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits alredy exist and is non-empty...
Catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat corresponding to the image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
WCS catalog name: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat 
Excluding image region:   190.0  1039.0   192.0  1041.0  (defined in bad_region.lst)
Excluding image region:   226.0  1548.0   228.0  1550.0  (defined in bad_region.lst)
Excluding image region:   351.0  1875.0   353.0  1877.0  (defined in bad_region.lst)
Excluding image region:   501.0  5912.0   503.0  5914.0  (defined in bad_region.lst)
Excluding image region:   638.0  5545.0   640.0  5547.0  (defined in bad_region.lst)
Excluding image region:   724.0  2731.0   726.0  2733.0  (defined in bad_region.lst)
Excluding image region:   883.0  1376.0   885.0  1378.0  (defined in bad_region.lst)
Excluding image region:   901.0  3972.0   903.0  3974.0  (defined in bad_region.lst)
Excluding image region:  1151.0   918.0  1153.0   920.0  (defined in bad_region.lst)
Excluding image region:  1157.0   135.0  1159.0   137.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 50 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=172, bad_region=0, passed=7464
Got 7464 stars (including 7283 good ones) from the SExtractor catalog wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat 
util/solve_plate_with_UCAC5 got 7464 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 943.1'
Seting catalog search parameters based on the expected field of view 943.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013099 (47.2 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010479 (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
RA wraps around 0/360 boundary: field RA 350.6853 through 0 to 8.8213, gap 8.8213 to 350.6853
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 4874 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4869 matched stars entering correct_measured_positions(), 4869 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4869 matched stars entering correct_measured_positions(), 7464 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.54" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
RA wraps around 0/360 boundary: field RA 350.6847 through 0 to 8.8214, gap 8.8214 to 350.6847
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 292 to 351 (Dec -31.5 to -20.2)
Done reading UCAC5 zone files...
Matched 4875 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4869 matched stars entering correct_measured_positions(), 7464 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55" 
Accuracy estimation diagnostic: 4869 matched stars entering correct_measured_positions(), 7464 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55" 
Excluding outliers - 4869 stars left (next iteration limit 5355)
Stop iterations.


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

SIP_REFIT: wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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=4869 robust_rms=7.818 arcsec worst_quadrant_rms=14.249 arcsec
SIP_REFIT: SIP order 3 trial: matched=4869 robust_rms=0.762 arcsec worst_quadrant_rms=0.940 arcsec
SIP_REFIT: SIP order 5 trial: matched=4869 robust_rms=0.612 arcsec worst_quadrant_rms=0.804 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4869 robust_rms_before=1.366 arcsec robust_rms_before_corrected=0.584 arcsec robust_rms_after=0.612 arcsec worst_quadrant_rms_before=0.777 worst_quadrant_rms_after=0.804
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.777 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits N_match=4869 sigma_overall_arcsec=0.526 sigma_q1_arcsec=0.536 sigma_q2_arcsec=0.684 sigma_q3_arcsec=0.456 sigma_q4_arcsec=0.511 n_q1=1367 n_q2=894 n_q3=1474 n_q4=1134 worst_quadrant_to_overall_ratio=1.301
The image catalog is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits -region wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
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_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Saving fully-calibrated image wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.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_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/wcs_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits
Preparing the HTML report for the field Scl-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:43:26.03 -21:41:46.0:  11.82 +/- 0.04  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:33:54.10 -22:57:11.7:  11.90 +/- 0.04  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 00:33:14.07 -30:56:22.6:  99.00 +/- 99.00  edge
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:45:44.29 -28:24:03.6:  11.62 +/- 0.03  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:39:38.79 -22:31:25.6:  12.37 +/- 0.06  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:43:05.99 -23:40:18.6:  12.36 +/- 0.06  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-25-19_20.00sec_5.00C_LIGHT_0418.fits at 23:47:23.67 -24:28:46.0:  11.86 +/- 0.03  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 00:33:14.07 -30:56:22.6:  99.00 +/- 99.00  edge
Forced photometry filter REJECTED candidate at 00:33:14.07 -30:56:22.6: at least one reference image reported edge (off-image or aperture/annulus past image boundary); cannot perform the forced-photometry cross-check
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:47:23.67 -24:28:46.0:  11.94 +/- 0.04  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:39:38.79 -22:31:25.6:  12.46 +/- 0.07  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:33:54.10 -22:57:11.7:  11.91 +/- 0.04  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:43:05.99 -23:40:18.6:  12.23 +/- 0.05  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:45:44.29 -28:24:03.6:  11.59 +/- 0.03  detection
Forced photometry on wcs_Scl-01-Q1b1x1_2026-07-07_04-26-13_20.00sec_5.00C_LIGHT_0419.fits at 23:43:26.03 -21:41:46.0:  11.96 +/- 0.04  detection
Forced photometry reference-image weighted average:  12.41 +/- 0.05
Forced photometry reference-image weighted average:  11.90 +/- 0.02
Forced photometry filter REJECTED candidate at 23:39:38.79 -22:31:25.6: ref_mag=12.41 +/- 0.05 new_mean_mag=12.5114 delta=-0.10 (need > 0.90)
Forced photometry reference-image weighted average:  12.29 +/- 0.04
Forced photometry filter REJECTED candidate at 23:47:23.67 -24:28:46.0: ref_mag=11.90 +/- 0.02 new_mean_mag=12.0453 delta=-0.14 (need > 0.90)
Forced photometry reference-image weighted average:  11.90 +/- 0.03
Forced photometry reference-image weighted average:  11.60 +/- 0.02
Forced photometry filter REJECTED candidate at 23:43:05.99 -23:40:18.6: ref_mag=12.29 +/- 0.04 new_mean_mag=12.2389 delta=0.05 (need > 0.90)
Forced photometry filter REJECTED candidate at 23:33:54.10 -22:57:11.7: ref_mag=11.90 +/- 0.03 new_mean_mag=11.9501 delta=-0.05 (need > 0.90)
Forced photometry reference-image weighted average:  11.88 +/- 0.03
Forced photometry filter REJECTED candidate at 23:45:44.29 -28:24:03.6: ref_mag=11.60 +/- 0.02 new_mean_mag=12.0423 delta=-0.44 (need > 0.90)
Forced photometry filter REJECTED candidate at 23:43:26.03 -21:41:46.0: ref_mag=11.88 +/- 0.03 new_mean_mag=12.0373 delta=-0.16 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 0s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 1s
  
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Considering the candidate 20958_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 20958_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    12.05    23:45:44.28 -28:24:03.9   2960 1635   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    12.03    23:45:44.30 -28:24:03.3   2966 1629   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 20979_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 20979_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 2     2026 08 24.23149    2461276.73149    9.21    00:27:14.79 -31:02:16.4   8478 0293   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

**** FOUND  00:27:14.73 -31:02:15.7 in the exclusion list exclusion_list_tycho2.txt ****
  
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Considering the candidate 21064_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21064_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    10.88    00:33:14.02 -30:56:22.2   9260 0354   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    10.93    00:33:14.13 -30:56:23.0   9266 0348   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 21070_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21070_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    11.93    23:33:54.10 -22:57:11.3   1027 4752   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    11.97    23:33:54.10 -22:57:12.2   1033 4747   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 21089_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21089_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    12.14    23:43:26.02 -21:41:46.0   2287 5639   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    11.99    23:43:26.04 -21:41:46.0   2293 5634   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 21092_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21092_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    12.09    23:47:23.69 -24:28:46.2   2984 4008   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    12.01    23:47:23.64 -24:28:45.9   2990 4003   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 21101_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21101_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    12.26    23:43:06.03 -23:40:18.6   2351 4442   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    12.22    23:43:05.95 -23:40:18.5   2357 4437   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

  
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Considering the candidate 21112_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201
The candidate 21112_fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201 did not pass the final checks
Discovery image 1     2026 08 24.23071    2461276.73071    12.46    23:39:38.74 -22:31:24.0   1804 5091   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-32-03_20.00sec_-0.00C_LIGHTs_0200.fits
Discovery image 2     2026 08 24.23149    2461276.73149    12.58    23:39:38.85 -22:31:27.1   1810 5086   /data_ssd/NMW-TexasTech/workdir//img_2026-08-24_CI_Scl-01-Q1b1x1_005341_TTUQ1b1x1_2823353_JxFEbwaw/fd_Scl-01-Q1b1x1_2026-08-24_00-33-10_20.00sec_-0.00C_LIGHTs_0201.fits

make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Scl-01-Q1b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed Scl-01-Q1b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ1.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461276.73071278 -observatory V36
09:59:57.23 +14:05:51.2 Mercury (-1.8mag)
12:56:05.23 -08:37:49.1 Venus (-4.5mag)
06:35:09.40 +23:36:31.3 Mars (1.3mag)
08:57:07.87 +17:46:33.9 Jupiter (-1.8mag)
00:54:31.40 +02:59:12.4 Saturn (0.5mag)
04:13:09.60 +21:00:38.0 Uranus (5.7mag)
00:14:59.08 +00:05:14.3 Neptune (7.7mag)
20:26:40.98 -23:35:47.6 Pluto (14.5mag)
19:09:05.80 -26:52:38.9 Moon (-11.5mag)
-rw-r--r-- 1 apache apache 363 Aug 24 00:57 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461276.73071278:
08:57:09.31 +17:46:27.2 Io (6.1mag)
08:57:01.60 +17:47:04.1 Europa (6.3mag)
08:57:13.53 +17:46:05.9 Ganymede (5.6mag)
08:57:05.06 +17:46:50.0 Callisto (6.9mag)
08:54:36.83 +17:55:40.9 Himalia (15.7mag)
08:57:11.01 +17:46:20.7 Thebe (16.6mag)
08:54:16.53 +17:51:14.5 Elara (17.7mag)
09:01:14.67 +17:19:04.1 Pasiphae (17.9mag)
08:59:13.13 +18:00:37.2 Carme (19.0mag)
00:54:20.09 +02:59:30.8 Titan (8.4mag)
00:54:25.35 +02:59:15.2 Rhea (9.7mag)
00:55:07.30 +03:01:11.5 Iapetus (11.1mag)
00:54:30.46 +02:59:37.9 Hyperion (14.4mag)
00:53:33.94 +02:50:24.8 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Aug 24 00:57 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461276.73071278:
20:24:00.21 -12:33:55.8 JWST
15:49:49.61 +50:54:04.9 Chandra
09:51:58.17 -55:17:36.6 XMM-Newton
-rw-r--r-- 1 apache apache 96 Aug 24 00:57 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461276.73071278 -observatory V36
03:29:56.46 +18:33:47.2 17.5mag P/1996 R2 (Lagerkvist)
17:59:59.33 -34:26:57.3 14.2mag P/2010 H2 (Vales)
07:08:06.72 -69:34:41.0 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:13:30.78 +33:21:05.4 17.7mag C/2017 K2 (PANSTARRS)
04:25:21.96 +42:51:30.8 17.6mag P/2021 N1 (ZTF)
22:25:08.47 +30:12:10.1 17.4mag C/2022 E2 (ATLAS)
06:58:34.86 +26:14:51.6 16.8mag C/2022 N2 (PANSTARRS)
10:36:27.09 +27:46:25.8 17.0mag C/2022 QE78 (ATLAS)
09:39:32.50 +05:17:41.0 18.0mag C/2022 R6 (PANSTARRS)
15:16:12.97 -12:57:46.3 18.0mag P/2023 B1 (PANSTARRS)
20:51:25.48 +63:45:28.7 18.0mag C/2023 H5 (Lemmon)
15:35:22.45 -14:24:06.2 14.6mag C/2023 R1 (PANSTARRS)
08:25:08.99 +32:06:25.8 15.6mag C/2024 E1 (Wierzchos)
15:05:41.34 +15:29:06.0 17.8mag C/2024 G6 (ATLAS)
18:44:59.47 +43:29:18.0 13.7mag C/2024 J3 (ATLAS)
20:46:34.82 +49:41:33.1 17.5mag C/2024 R4 (PANSTARRS)
05:27:02.79 -12:54:14.8 15.3mag C/2024 T5 (ATLAS)
07:05:34.74 +21:15:31.1 17.9mag C/2025 J1 (Borisov)
10:56:04.66 +19:49:26.9 17.0mag C/2025 V2 (Rankin)
13:08:44.37 +01:12:51.1 16.9mag C/2025 Y1 (ATLAS)
16:12:58.15 +76:03:21.8 16.4mag C/2026 A2 (Bok)
03:09:49.26 +46:20:57.4 17.3mag C/2026 B2 (Sun-Gao)
12:00:30.50 +10:05:41.8 17.4mag A/2026 E1
22:14:05.90 -32:47:43.2 7.2mag 10P/Tempel
11:38:55.40 -04:27:00.8 16.3mag 29P/Schwassmann-Wachmann
11:40:11.91 -00:35:02.0 17.4mag 63P/Wild
00:51:00.97 -06:12:25.4 15.4mag 65P/Gunn
06:10:45.88 +20:09:02.4 13.7mag 78P/Gehrels
20:24:26.35 -25:09:49.1 17.4mag 84P/Giclas
03:13:02.64 +14:37:03.8 16.9mag 88P/Howell
08:34:50.53 +25:17:24.8 16.4mag 93P/Lovas
04:53:17.14 +23:09:01.1 17.2mag 112P/Urata-Niijima
06:48:31.34 +27:57:06.6 16.0mag 114P/Wiseman-Skiff
09:55:58.31 +23:43:55.6 14.9mag 123P/West-Hartley
12:16:25.66 -16:17:45.3 17.3mag 124P/Mrkos
05:59:18.32 +20:59:40.3 16.0mag 128P/Shoemaker-Holt
06:54:55.18 +17:58:40.4 17.9mag 131P/Mueller
23:58:54.90 +03:02:01.2 17.4mag 139P/Vaisala-Oterma
03:07:02.96 -18:33:01.1 12.7mag 161P/Hartley-IRAS
08:09:38.13 +38:06:14.6 16.1mag 162P/Siding Spring
10:45:27.67 +27:21:21.9 12.3mag 169P/NEAT
03:08:47.30 +09:19:39.0 17.6mag 220P/McNaught
20:16:09.72 -51:33:41.9 18.0mag 259P/Garradd
04:08:39.83 +31:31:26.9 15.3mag 260P/McNaught
07:52:42.35 +36:57:32.1 17.3mag 295P/LINEAR
15:17:06.86 +01:20:33.1 17.8mag 391P/Kowalski
09:15:23.63 +17:34:19.8 17.9mag 450P/LONEOS
-rw-r--r-- 1 apache apache 2.3K Aug 24 00:57 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
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
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:33.11 -68:48:32.90  ASASSN-26no  2026-05-24.03 8.35
19:00:42.82 -48:31:01.60  ASASSN-26dp  2026-05-22.31 -3.28
14:23:56.72 -58:37:47.60  ASASSN-26dn  2026-05-20.01 14.64
11:24:54.06 +47:57:01.60  AT2026nma  2026-05-20.29 15.46
21:27:08.58 +33:24:38.10  AT2026lli  2026-05-19.34 15.86
00:31:01.41 -13:38:51.70  AT2026nad  2026-05-19.39 15.34
15:16:06.61 -79:16:32.40  ASASSN-26dm  2026-05-19.03 14.44
11:24:25.21 -59:23:19.10  ASASSN-26dl  2026-05-18.02 13.55
13:45:51.52 -53:16:01.00  ASASSN-26dk  2026-05-18.16 12.96
02:05:49.69 -30:29:09.60  ASASSN-26dh  2026-05-18.43 15.37
17:50:22.87 -39:42:33.90  ASASSN-26dj  2026-05-17.05 15.7
01:13:11.60 -33:25:16.10  ASASSN-26dg  2026-05-13.41 16.8
16:44:31.77 -27:15:18.40  AT2026mhn  2026-05-12.33 15.8
09:46:31.08 -33:41:51.00  ASASSN-26di  2026-05-12.14 14.63
21:23:11.57 -19:09:45.00  AT2026kwu  2026-05-12.26 16.9
-rw-r--r-- 1 apache apache 5.7K Aug 24 00:57 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
19:57:03.87 +37:41:46.4  TCP J19570387+3741464  2026-06-18.2638  17.5mag
00:42:32.04 +41:10:28.3  PNV J00423204+4110283  2026-06-26.059  16.6mag
02:19:17.36 +28:57:15.8  TCP J02191736+2857158  2026-07-12.3549  12.5mag
00:44:56.43 +41:57:41.6  PNV J00445643+4157416  2026-07-13.8026  17.98Cmag
00:42:55.36 +41:17:27.0  PNV J00425536+4117270  2026-07-20.1813  17.7mag
20:35:43.64 +61:31:32.9  TCP J20354364+6131329  2026-07-20.5443  14.4mag
21:17:31.48 +22:25:51.0  TCP J21173148+2225510  2026-07-23.5577  14.8mag
00:41:24.04 +40:49:02.8  PNV J00412404+4049028  2026-07-25.0157  18.7mag
00:43:04.26 +41:02:28.6  PNV J00430426+4102286  2026-07-26.1512  20mag
14:51:51.40 +66:13:24.0  TCP J14515140+6613240  2026-07-29.2561  13.5mag
00:43:06.15 +41:22:08.2  PNV J00430615+4122082  2026-07-30.0085  19.4mag
00:41:33.23 +41:10:12.2  PNV J00413323+4110122  2026-08-02.8913  17.1mag
05:21:07.63 +23:38:19.4  TCP J05210763+2338194  2026-08-06.4109  11.2mag
22:57:17.96 +47:07:41.8  TCP J22571796+4707418  2026-08-09.3289  14.3mag
09:13:38.17 +76:28:18.1  PSN J09133817+7628181  2026-08-09.8037  15.4mag
00:43:17.29 +41:26:48.6  PNV J00431729+4126486  2026-08-14.0920  16.8mag
00:42:52.82 +41:10:58.6  PNV J00425282+4110586  2026-08-17.7723  19.9mag
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
-rw-r--r-- 1 apache apache 190K Aug 24 00:57 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
22:06:02.745 +21:38:59.91  AT 2026xnu  2026-06-14.54 20.68
12:04:33.241 +13:31:43.77  AT 2026xnt  2026-06-16.29 20.66
17:16:17.969 +32:53:41.29  AT 2026xns  2026-06-16.34 20.59
21:48:32.425 -29:28:38.76  AT 2026xnr  2026-06-16.55 19.93
20:44:08.930 -34:45:08.04  AT 2026xnq  2026-06-19.50 20.93
01:40:01.549 +15:24:08.32  AT 2026xnp  2026-06-21.59 20.11
22:59:54.981 +08:47:20.37  AT 2026xno  2026-06-22.57 20.61
22:34:44.112 -34:25:16.33  AT 2026xnn  2026-06-22.58 20.31
15:39:00.625 +01:51:45.97  AT 2026xnm  2026-07-09.30 20.53
22:18:23.260 +08:49:07.23  AT 2026xnl  2026-07-11.59 20.23
23:45:11.366 +23:12:01.58  AT 2026xnk  2026-07-16.50 20.23
17:52:40.604 +30:20:41.11  AT 2026xnj  2026-07-16.29 20.57
22:13:49.877 +15:15:41.07  AT 2026xni  2026-06-22.52 20.47
21:55:12.218 -25:50:43.90  AT 2026xnh  2026-07-08.51 20.23
17:42:05.047 +67:58:50.95  AT 2026xng  2026-08-05.89 19.07
15:05:35.464 +22:40:42.04  AT 2026xnf  2026-07-06.38 20.83
21:55:10.326 +01:47:27.63  AT 2026xne  2026-07-16.55 20.92
17:33:02.208 +23:15:50.89  AT 2026xnd  2026-07-19.39 20.4
17:58:43.835 +19:48:45.18  AT 2026xnc  2026-07-19.39 20.44
00:10:15.437 -16:32:23.98  AT 2026xnb  2026-07-20.58 20.44
-rw-r--r-- 1 apache apache 87K Aug 24 00:57 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Mon Aug 24 00:55:39 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 25s (0.42 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 8s (0.13 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 3s (0.05 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 40s (0.67 min)
TIMING SExtractor: 4 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 5s (0.08 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 9s (0.15 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 17s (0.28 min)
FIELD_Scl-01-Q1b1x1: 69s (1.15 min)
=======================================
TOTAL_RUNTIME: 153s (2.55 min)
Finished: Mon Aug 24 00:58:12 CDT 2026