FITS images used in this processing run:

Field Lyr-02-Q2b1x1 reference image: Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Field Lyr-02-Q2b1x1 reference image: Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
Field Lyr-02-Q2b1x1 second-epoch image: Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Field Lyr-02-Q2b1x1 second-epoch image: Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits

***** IMAGE PROCESSING ERROR (less than 4 images processed) *****
############################################################
***** IMAGE PROCESSING ERROR (less than 4 images processed) *****
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=esa_tap (lib/gaia_dr2_cone_search.sh -> ESA Gaia Archive TAP service)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Lyr-02-Q2b1x1
#######################################
########### Starting Lyr-02-Q2b1x1 ###########
Processing Lyr-02-Q2b1x1
server tau has sufficient free disk space available: 453626 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 453626 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.png' -> 'transient_report/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits_preview.png'

Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits


renamed 'Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.png' -> 'transient_report/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits_preview.png'

Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.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= 423.5732
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 721.1220
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 8685.1765
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 2110.4407
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 9359.2003
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 2232.1239
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 20.5045
INFO:                  SECOND_EPOCH__SD_ratio= 0.055
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     16.4400005340576 / [degC] Focuser temperature
AMBTEMP =                 16.8 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-23T23:40:42.9631130' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-24T04:40:42.9631130' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61337.1949417014 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-24T04:40:52.8668810' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61337.1950563192 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     278.177942768549 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999240311966 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     25.4177777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =               300.18 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.31987143374607 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Lyr-02'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '18 32 44'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 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  =                20708 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20708 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.4400005340576 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.4400005340576 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 71.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 16.8 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                  4.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             13.00104 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             8.300664 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/d_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits :)

Spent 0.605147 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/d_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     16.4400005340576 / [degC] Focuser temperature
AMBTEMP =                 16.8 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-23T23:41:20.9304352' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-24T04:41:20.9304352' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61337.1953811343 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-24T04:41:30.8346450' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61337.1954957638 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     278.177942817647 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999240425979 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     25.3038888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     300.236666666667 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.32951414588373 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'East'               / Telescope pointing state" status=0
Record 37: "SITEELEV=               1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT =           33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG=          -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky'         / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview'        / Observatory name" status=0
Record 42: "SITENAME= ''                   / Observatory site name" status=0
Record 43: "FWHEEL  = 'Simulator'          / Filter Wheel name" status=0
Record 44: "FILTER  = 'CV'                 / Active filter name" status=0
Record 45: "OBJECT  = 'Lyr-02'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '18 32 44'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 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  =                20708 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20708 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.4400005340576 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.4400005340576 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.5 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 71.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 16.8 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                  4.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             13.00104 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             8.300664 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/d_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits :)

Spent 0.583234 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/d_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Previews of the CALIBRATED second-epoch images:


fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits



fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
  
Last  image: 2461337.69505744 24.10.2026 04:40:42.963 UTC
WARNING: VaST exited with code 1 on the field Lyr-02-Q2b1x1 as too few input images were matched to the reference image - wrong pointing? clouds? very bad focus?
Blind plate solve of the unmatched second-epoch image fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits to check the telescope pointing
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
WCS_IMAGE_NAME=wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Field of view for the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits was not set. Trying to guess...
The guess is  605 arcmin.
No image with WCS calibration found for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits .... Determining astrometry method...
Using the local copy of Astrometry.net software...
Choosing aperture...
Using the catalog image00003.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/lib/make_outxyls_for_astrometric_calibration found 961 high-SNR stars for plate solving
 
This service uses tools provided by Astrometry.net.
For more information visit http://astrometry.net/ 

######### Trying to solve plate assuming 605' field of view #########
 /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Using the local copy of Astrometry.net code
IMAGE_SIZE= --width 9576 --height 6388    SCALE_LOW=544.5 SCALE_HIGH=3025.0
Using solve-field binary
/usr/local/astrometry/bin/solve-field
Reading input file 1 of 1: "out379290.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out379290.axy"...
Field 1 did not solve (index index-4119.fits, field objects 1-10).
Field 1 did not solve (index index-4118.fits, field objects 1-10).
Field 1 did not solve (index index-4117.fits, field objects 1-10).
Field 1 did not solve (index index-4116.fits, field objects 1-10).
Field 1 did not solve (index index-4115.fits, field objects 1-10).
Field 1 did not solve (index index-4114.fits, field objects 1-10).
Field 1 did not solve (index index-4113.fits, field objects 1-10).
Field 1 did not solve (index index-4112.fits, field objects 1-10).
Field 1 did not solve (index index-4111.fits, field objects 1-10).
Field 1 did not solve (index index-4110.fits, field objects 1-10).
Field 1 did not solve (index index-4109.fits, field objects 1-10).
Field 1 did not solve (index index-4108.fits, field objects 1-10).
Field 1 did not solve (index index-4119.fits, field objects 11-20).
Field 1 did not solve (index index-4118.fits, field objects 11-20).
Field 1 did not solve (index index-4117.fits, field objects 11-20).
  log-odds ratio 28.962 (3.78471e+12), 7 match, 0 conflict, 22 distractors, 25 index.
  RA,Dec = (278.193,38.0047), pixel scale 5.94493 arcsec/pix.
  Hit/miss:   Hit/miss: ---+--+---+-+-+---+---------+(best)-----------------------------------------------------------------------
Field 1: solved with index index-4116.fits.
Field 1 solved: writing to file ./out379290.solved to indicate this.
Field: out379290.xyls
Field center: (RA,Dec) = (278.180407, 38.002629) deg.
Field center: (RA H:M:S, Dec D:M:S) = (18:32:43.298, +38:00:09.463).
Field size: 15.7359 x 10.5286 degrees
Field rotation angle: up is 179.421 degrees E of N
Field parity: neg

WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
Opening FITS image file input.fits for reading...  done!
Creating new image file (wcs_input.fits)...  done!
done!
All done!
Keyword does not exist
Keyword has been changed to:
VAST001 = 'wcs_image_calibration.sh' / VaST script name
Keyword does not exist
Keyword has been changed to:
VAST002 = 'local   '           / ASTROMETRYNET_LOCAL_OR_REMOTE
Keyword does not exist
Keyword has been changed to:
VAST003 = 'local   '           / PLATE_SOLVE_SERVER
Keyword does not exist
Keyword has been changed to:
VAST004 = 'iteration01'        / astrometry.net run
Reading input file 1 of 1: "out379290.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out379290.axy"...
Only searching for solutions within 15.6583 degrees of RA,Dec (278.179,38.0018)
  log-odds ratio 28.962 (3.78471e+12), 7 match, 0 conflict, 22 distractors, 25 index.
  RA,Dec = (278.193,38.0047), pixel scale 5.94493 arcsec/pix.
  Hit/miss:   Hit/miss: ---+--+---+-+-+---+---------+(best)-----------------------------------------------------------------------
Field 1: solved with index index-4116.fits.
Field 1 solved: writing to file ./out379290.solved to indicate this.
Field: out379290.xyls
Field center: (RA,Dec) = (278.180334, 38.001034) deg.
Field center: (RA H:M:S, Dec D:M:S) = (18:32:43.280, +38:00:03.721).
Field size: 15.7234 x 10.5328 degrees
Field rotation angle: up is 179.415 degrees E of N
Field parity: neg

WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
Opening FITS image file input.fits for reading...  done!
Creating new image file (wcs_input.fits)...  done!
done!
All done!
Keyword does not exist
Keyword has been changed to:
VAST001 = 'wcs_image_calibration.sh' / VaST script name
Keyword does not exist
Keyword has been changed to:
VAST002 = 'local   '           / ASTROMETRYNET_LOCAL_OR_REMOTE
Keyword does not exist
Keyword has been changed to:
VAST003 = 'local   '           / PLATE_SOLVE_SERVER
Keyword does not exist
Keyword has been changed to:
VAST004 = 'iteration02'        / astrometry.net run
The field of view is large: we'll try to run Astromety.net code on the image itself rather than a star list
Reading input file "wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits"...
Found an existing WCS header, will try to verify it.
Extracting sources...
simplexy: found 7967 sources.
Solving...
Reading file "/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/out379290_image_verify.UenIQo/solution.axy"...
Verifying WCS using indices with quads of size [63.4857, 951.689] arcmin
Verifying WCS with index 87 of 109 (/usr/local/astrometry/data/index-4117.fits)
Verifying WCS of field 1.
  log-odds ratio 91.7366 (6.92958e+39), 11 match, 0 conflict, 135 distractors, 13 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ----+++++-----+--------------------+----------------+-----------------------------------------------
 --> log-odds 91.7366
Verifying WCS with index 88 of 109 (/usr/local/astrometry/data/index-4116.fits)
Verifying WCS of field 1.
  log-odds ratio 228.885 (2.5313e+99), 23 match, 0 conflict, 202 distractors, 25 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ----+++++---+-----+----------------+-+------++--+-+-+---+--------+--------------+--+------+---------
 --> log-odds 228.885
Verifying WCS with index 89 of 109 (/usr/local/astrometry/data/index-4115.fits)
Verifying WCS of field 1.
  log-odds ratio 462.239 (5.59432e+200), 44 match, 0 conflict, 205 distractors, 48 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ---++++++-+-+-+--++--++-+---+++----+-+-----++++-+-+-++--+---+---++--+-----------+--+-------------+--
 --> log-odds 462.239
Verifying WCS with index 90 of 109 (/usr/local/astrometry/data/index-4114.fits)
Verifying WCS of field 1.
  log-odds ratio 987.118 (inf), 94 match, 0 conflict, 211 distractors, 98 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: -++++++++-+-+-+++++--+++++-++++--+-+-+-----++++++-+-+++++---+++-+++-++++++-+----+--+-+-+--++++-+-++-
 --> log-odds 987.118
Verifying WCS with index 91 of 109 (/usr/local/astrometry/data/index-4113.fits)
Verifying WCS of field 1.
  log-odds ratio 1899.76 (inf), 189 match, 0 conflict, 406 distractors, 193 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: +++++++++-+-++++++++-++++++++++-++++++++--+++++++-++++++++--++++++++++++++++-++++--+-+-+-+++++-+++++
 --> log-odds 1899.76
Verifying WCS with index 92 of 109 (/usr/local/astrometry/data/index-4112.fits)
Verifying WCS of field 1.
  log-odds ratio 3407.55 (inf), 358 match, 0 conflict, 855 distractors, 366 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-+++++++++++++++++++-++++++++-+++++++++-++++++++++++++++-++++-++++-+-+++++++++++
 --> log-odds 3407.55
Verifying WCS with index 93 of 109 (/usr/local/astrometry/data/index-4111.fits)
Verifying WCS of field 1.
  log-odds ratio 6289.51 (inf), 710 match, 0 conflict, 2144 distractors, 729 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-++++++++++++++++++++++++++++-++++++++++++++++++++++++++-+++++++++++-+++++++++++
 --> log-odds 6289.51
Verifying WCS with index 94 of 109 (/usr/local/astrometry/data/index-4110.fits)
Verifying WCS of field 1.
  log-odds ratio 11496 (inf), 1396 match, 0 conflict, 2699 distractors, 1434 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-+++++++++++++++++++++++++++++++++++++++++++++++++++++++-+++++++++++-+++++++++++
 --> log-odds 11496
Verifying WCS using indices with quads of size [63.4857, 951.689] arcmin
Verifying WCS with index 87 of 109 (/usr/local/astrometry/data/index-4117.fits)
Verifying WCS of field 1.
  log-odds ratio 91.7366 (6.92958e+39), 11 match, 0 conflict, 135 distractors, 13 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ----+++++-----+--------------------+----------------+-----------------------------------------------
 --> log-odds 91.7366
Verifying WCS with index 88 of 109 (/usr/local/astrometry/data/index-4116.fits)
Verifying WCS of field 1.
  log-odds ratio 228.885 (2.5313e+99), 23 match, 0 conflict, 202 distractors, 25 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ----+++++---+-----+----------------+-+------++--+-+-+---+--------+--------------+--+------+---------
 --> log-odds 228.885
Verifying WCS with index 89 of 109 (/usr/local/astrometry/data/index-4115.fits)
Verifying WCS of field 1.
  log-odds ratio 462.239 (5.59432e+200), 44 match, 0 conflict, 205 distractors, 48 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ---++++++-+-+-+--++--++-+---+++----+-+-----++++-+-+-++--+---+---++--+-----------+--+-------------+--
 --> log-odds 462.239
Verifying WCS with index 90 of 109 (/usr/local/astrometry/data/index-4114.fits)
Verifying WCS of field 1.
  log-odds ratio 987.118 (inf), 94 match, 0 conflict, 211 distractors, 98 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: -++++++++-+-+-+++++--+++++-++++--+-+-+-----++++++-+-+++++---+++-+++-++++++-+----+--+-+-+--++++-+-++-
 --> log-odds 987.118
Verifying WCS with index 91 of 109 (/usr/local/astrometry/data/index-4113.fits)
Verifying WCS of field 1.
  log-odds ratio 1899.76 (inf), 189 match, 0 conflict, 406 distractors, 193 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: +++++++++-+-++++++++-++++++++++-++++++++--+++++++-++++++++--++++++++++++++++-++++--+-+-+-+++++-+++++
 --> log-odds 1899.76
Verifying WCS with index 92 of 109 (/usr/local/astrometry/data/index-4112.fits)
Verifying WCS of field 1.
  log-odds ratio 3407.55 (inf), 358 match, 0 conflict, 855 distractors, 366 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-+++++++++++++++++++-++++++++-+++++++++-++++++++++++++++-++++-++++-+-+++++++++++
 --> log-odds 3407.55
Verifying WCS with index 93 of 109 (/usr/local/astrometry/data/index-4111.fits)
Verifying WCS of field 1.
  log-odds ratio 6289.51 (inf), 710 match, 0 conflict, 2144 distractors, 729 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-++++++++++++++++++++++++++++-++++++++++++++++++++++++++-+++++++++++-+++++++++++
 --> log-odds 6289.51
Verifying WCS with index 94 of 109 (/usr/local/astrometry/data/index-4110.fits)
Verifying WCS of field 1.
  log-odds ratio 11496 (inf), 1396 match, 0 conflict, 2699 distractors, 1434 index.
  RA,Dec = (278.181,38.0019), pixel scale 5.96296 arcsec/pix.
  Hit/miss:   Hit/miss: ++++++++++++++++++++-+++++++++++++++++++++++++++++++++++++++++++++++++++++++-+++++++++++-+++++++++++
 --> log-odds 11496
Got 16 solutions.
Field: wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Field center: (RA,Dec) = (278.179895, 38.001231) deg.
Field center: (RA H:M:S, Dec D:M:S) = (18:32:43.175, +38:00:04.431).
Field size: 15.7221 x 10.5321 degrees
Field rotation angle: up is 179.414 degrees E of N
Field parity: neg
Creating new FITS file "/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/out379290_image_verify.UenIQo/solution.new"...

renamed '/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/out379290_image_verify.UenIQo/solution.new' -> 'wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits'
Checking if the catalog wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat corresponding to the image wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits alredy exist and is non-empty...
Catalog wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat corresponding to the image wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits was not found.
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
verification OK: wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Generating wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat from image00003.cat
Catalog wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat corresponding to the image wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits created.
verification OK: wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
verification OK: wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Image size: 937.9'x624.1'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 18:32:42.925 +38:00:01.42 J2000 4789.000 3195.000 

 ### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
 ### Converted positions of 1016 stars ###
'wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction_380493.cat.log'
'wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits.wcscat.xy2sky.6BGAOc' -> 'vast_debug_catalog_after_xy2sky_correction_380493.cat.log'
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
###################################
# Check the image center offset between the reference and the blindly solved unmatched second-epoch image (pointing accuracy)
Reference image center 18:32:42.750 +37:59:52.55
Second-epoch image center 18:32:42.925 +38:00:01.42
Angular distance between the image centers 0.0025 deg.
###################################
The second-epoch image center is consistent with the reference image center (offset 0.0025 deg.) - the star matching failure is probably not a pointing problem
____ VaST output ____

--==VaST 1.0rc90==--

Parsing command line arguments...
opt 'F': Will NOT create flag images for SExtractor
opt '5': 5.000000 pix is the new fixed star matching radius!
opt 'b': Using 500 reference stars for image matching!
opt '3': Will try to select best aperture for each source!
opt 'y': 0 SysRem iterations will be conducted!
opt 't 4': robust linear magnitude calibration (vary zero-point and slope)
opt 'x': 99 is the maximum acceptable SExtractor flag!
WARNING: disabling the mag-size filter in order not to reject blended stars.
opt 'u': Stick with UTC time system, no conversion to TT will be done!
opt 'f': Run ./find_candidates manually!
opt 'k': "JD" keyword in FITS image header will be ignored!
INFO from vast_remove_directory(): Could not open directory: symlinks_to_images
INFO from vast_remove_directory(): Could not open directory: converted_images
INFO from vast_remove_directory(): Could not open directory: unpacked_images

Checking the list of input images specified on the command line ...

Looking for the list of input images with time corrections in vast_list_of_input_images_with_time_corrections.txt ... list not found.
This is OK if you specify the input images on the command line, not through this text file.
Checking write permissions for the current directory (/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa)...  OK
Found a system-wide installation of SExtractor
Cleaning old outNNNNN.dat files.
Done with cleaning!

 VaST was started with the following command line: 
./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits 


Preparing to process 4 input FITS images...


######## Forcing special settings for the transient detection ########
transient search mode: disabling the mag-size filter as it should be switched off when running a transient search!
transient search mode: disabling the bad image filter as it will not help during the transient search!
transient search mode: will not try to gues image saturation limit
transient search mode: no UTC-to-TT time system conversion will be performed!!!
transient search mode: setting the maximum acceptable SExtractor flag to 3
transient search mode: disabling rejectin of images with elliptical stars
transient search mode: not discarding large sources
################
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Setting the fixed star match radius of 5.00 pix
We have 4 images to process.
SExtractor catalog cache: restored Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits catalog from cache
SExtractor catalog cache: restored Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits catalog from cache
Running SExtractor in 3 parallel threads...
Using the catalog image00001.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Using the catalog image00002.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
The gain value (GAIN=0.370) from default.sex will be used for image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
The above guess is based on the non-default gain value specified in default.sex by user
Parent process says: we are done fork()ing.
Waiting for thread 2 to finish...
The gain value (GAIN=0.370) from default.sex will be used for image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2autodetect_aperture() is running SExtractor on /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
The above guess is ba_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
sed on the non-default gain value specified in default.sex by user
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
autodetect_aperture() is doing a preliminary SExtractor run to determine an appropriate aperture size
sex -c default.sex  -PARAMETERS_NAME autodetect_aper.param -CATALOG_NAME autodetect_aper_image00003.cat  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits > image00003.cat.sex_log 2>&1
autodetect_aperture() is running SExtractor on /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
autodetect_aperture() is doing a preliminary SExtractor run to determine an appropriate aperture size
sex -c default.sex  -PARAMETERS_NAME autodetect_aper.param -CATALOG_NAME autodetect_aper_image00004.cat  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits > image00004.cat.sex_log 2>&1
autodetect_aperture() is doing the main SExtractor run
sex  -PARAMETERS_NAME default.param -PHOT_APERTURES 6.0,6.0,5.4,6.6,7.2,7.7 -VERBOSE_TYPE NORMAL -CATALOG_NAME image00003.cat /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits > image00003.cat.sex_log 2>&1
autodetect_aperture() is doing the main SExtractor run
sex  -PARAMETERS_NAME default.param -PHOT_APERTURES 5.9,5.9,5.3,6.5,7.1,7.7 -VERBOSE_TYPE NORMAL -CATALOG_NAME image00004.cat /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits > image00004.cat.sex_log 2>&1
autodetect_aperture() is done with image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Waiting for thread 1 to finish...
autodetect_aperture() is done with image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits


Done with SExtractor!

TIMING SExtractor: 2 seconds


Matching stars between images!

No manually selected comparison stars file manually_selected_comparison_stars.lst which is fine.
Processing  /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-05-16T09:29:18.9878949
Setting observation time using DATE-OBS keyword: 2026-05-16T09:29:18.9878949

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-05-16T09:29:18.987
EXPTIME = 20.000

Using the catalog image00001.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Exposure 20 sec, 16.05.2026 09:29:18.987 UTC = JD(UTC) 2461176.89547439 mid. exp.
The reference image star  8151.594    73.306 is rejected, see bad_region.lst
The reference image star  9262.981    33.512 is rejected, see bad_region.lst
The reference image star  7971.762    27.638 is rejected, see bad_region.lst
The reference image star  8734.975    25.243 is rejected, see bad_region.lst
The reference image star  9369.517    26.404 is rejected, see bad_region.lst
The reference image star  8943.590    24.761 is rejected, see bad_region.lst
The reference image star  8912.900    23.999 is rejected, see bad_region.lst
The reference image star  7687.719    19.530 is rejected, see bad_region.lst
The reference image star  8188.296    15.047 is rejected, see bad_region.lst
The reference image star  8741.122    15.764 is rejected, see bad_region.lst
Excluding more reference image stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 17045, (17045 good for image matching)
 * rejected as having no flux measurement: 0
 * rejected as having SNR<3.0: 0
 * rejected inside rectangles defined in bad_region.lst: 8110
 * rejected close to frame edge: 86
 * rejected as being too small (<1.6 pix): 0
 * rejected as being too large (>6.3 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 14
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.

Please note: the CCD position-dependent magnitude correction will be applied.
get_detection_limit_sn(): Detection limit: -7.21
Detection limit from the magnitude-SNR relation= -7.2  (4.0 sigma detection)
The simple faintest star detection limit= -9.5
80 percent brightest stars detection limit= -10.3
Selected detection limit= -10.3
Final detection limit= -10.3 (after subtracting MAG_TRANSIENT_ABOVE_THE_REFERENCE_FRAME_LIMIT=0.0)

Parameter box for transient search:    10.06.3 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 7
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
    16957 * detected, using  497/ 500 * for reference/current image matching, fraction_of_ambiguous_matches= 0.016720, number_of_ambiguous_matches=285 
refining the coordinate transformation... [CVPOLY iter 1: order=1 pairs=15898 inliers=15898 rms 0.45 -> 0.44 pix, max corner correction 0.1 pix] fraction_of_ambiguous_matches= 0.008683, number_of_ambiguous_matches=148 
15888 * matched, [CVPOLY iter 2: order=2 pairs=15888 inliers=15888 rms 0.20 -> 0.20 pix, max corner correction 0.2 pix] fraction_of_ambiguous_matches= 0.005573, number_of_ambiguous_matches=95 
15885 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=15885 inliers=15885 rms 0.13 -> 0.13 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.002288, number_of_ambiguous_matches=39 
15883 * matched (3rd iteration). Success!
  rotation [degrees] =   0.003
    16957 stars detected, 15883 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 14434, N_manually_selected_comparison_stars = 0
Using 14434 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 14434 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00000*X_pix +0.00000*Y_pix -0.00108
Iteratively removing outliers from the mag-mag relation (weighted linear/polynomial fit)...
Computing robust linear magnitude calibration.
Used 14433 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -7.21
    18119 objects stored in memory (1000000 max.)
Magnitude calibration is performed successfully!
Saving observations to the cache... OK
memory:  207876 kB used, 243660 kB peak, 65261732 kB available RAM
processed 2 of 4 images ( 50.0%)



Processing  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-10-24T04:40:42.9631130
Setting observation time using DATE-OBS keyword: 2026-10-24T04:40:42.9631130

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-10-24T04:40:42.963
EXPTIME = 20.000

Using the catalog image00003.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
The star  7864.842    22.740 is rejected, see bad_region.lst
The star  9024.965    16.130 is rejected, see bad_region.lst
The star  7695.471    28.333 is rejected, see bad_region.lst
The star  9376.709    30.994 is rejected, see bad_region.lst
The star  8022.838    43.026 is rejected, see bad_region.lst
The star  9339.441    45.539 is rejected, see bad_region.lst
The star  8258.209    57.018 is rejected, see bad_region.lst
The star  9097.594    76.374 is rejected, see bad_region.lst
The star  7904.586    79.048 is rejected, see bad_region.lst
The star  7501.442    74.438 is rejected, see bad_region.lst
Excluding more stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 710
 * rejected as having no flux measurement: 0
 * rejected as having SNR<3.0: 0
 * rejected inside rectangles defined in bad_region.lst: 300
 * rejected close to frame edge: 6
 * rejected as being too small (<1.5 pix): 0
 * rejected as being too large (>6.0 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 0
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
      710 * detected, using  100/ 500 * for reference/current image matching, fraction_of_ambiguous_matches= 0.000110, number_of_ambiguous_matches=2 
refining the coordinate transformation... [CVPOLY iter 1: order=2 pairs=562 inliers=562 rms 1.01 -> 0.61 pix, max corner correction 6.7 pix] fraction_of_ambiguous_matches= 0.000110, number_of_ambiguous_matches=2 
561 * matched, [CVPOLY iter 2: order=3 pairs=561 inliers=561 rms 0.20 -> 0.16 pix, max corner correction 1.8 pix] fraction_of_ambiguous_matches= 0.000110, number_of_ambiguous_matches=2 
561 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=561 inliers=561 rms 0.16 -> 0.16 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.000000, number_of_ambiguous_matches=0 
561 * matched (3rd iteration). Success!
  rotation [degrees] = -179.474
      710 stars detected,   561 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 311, N_manually_selected_comparison_stars = 0
Using 311 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 307 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00014*X_pix +0.00016*Y_pix +0.42287
ERROR in magnitude calibration: fabs(lin_mag_B * Y_im_size + lin_mag_C) > MAX_LIN_CORR_MAG
Used 307 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -8.73
 ERROR!!! Magnitude calibration failure. Dropping image. 
    18119 objects stored in memory (1000000 max.)
memory:  206800 kB used, 243660 kB peak, 65261732 kB available RAM
processed 3 of 4 images ( 75.0%)



Processing  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-10-24T04:41:20.9304352
Setting observation time using DATE-OBS keyword: 2026-10-24T04:41:20.9304352

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-10-24T04:41:20.930
EXPTIME = 20.000

Using the catalog image00004.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
The star  7864.055    24.046 is rejected, see bad_region.lst
The star  9024.154    17.392 is rejected, see bad_region.lst
The star  7694.677    29.634 is rejected, see bad_region.lst
The star  8022.097    44.328 is rejected, see bad_region.lst
The star  9338.564    46.785 is rejected, see bad_region.lst
The star  8257.455    58.283 is rejected, see bad_region.lst
The star  9096.757    77.644 is rejected, see bad_region.lst
The star  7903.926    80.395 is rejected, see bad_region.lst
The star  7500.711    75.769 is rejected, see bad_region.lst
The star  7541.112    91.128 is rejected, see bad_region.lst
Excluding more stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 498
 * rejected as having no flux measurement: 0
 * rejected as having SNR<3.0: 0
 * rejected inside rectangles defined in bad_region.lst: 218
 * rejected close to frame edge: 4
 * rejected as being too small (<1.5 pix): 0
 * rejected as being too large (>5.9 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 0
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
      498 * detected, using  100/ 498 * for reference/current image matching, fraction_of_ambiguous_matches= 0.000166, number_of_ambiguous_matches=3 
refining the coordinate transformation... [CVPOLY iter 1: order=2 pairs=400 inliers=400 rms 2.85 -> 0.72 pix, max corner correction 8.5 pix] fraction_of_ambiguous_matches= 0.000166, number_of_ambiguous_matches=3 
400 * matched, [CVPOLY iter 2: order=3 pairs=400 inliers=400 rms 0.25 -> 0.18 pix, max corner correction 2.7 pix] fraction_of_ambiguous_matches= 0.000166, number_of_ambiguous_matches=3 
400 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=400 inliers=400 rms 0.18 -> 0.18 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.000055, number_of_ambiguous_matches=1 
400 * matched (3rd iteration). Success!
  rotation [degrees] = -179.416
      498 stars detected,   400 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 211, N_manually_selected_comparison_stars = 0
Using 211 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 209 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00015*X_pix +0.00019*Y_pix +0.42777
ERROR in magnitude calibration: fabs(lin_mag_B * Y_im_size + lin_mag_C) > MAX_LIN_CORR_MAG
Used 209 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -8.74
 ERROR!!! Magnitude calibration failure. Dropping image. 
    18119 objects stored in memory (1000000 max.)
memory:  206800 kB used, 243660 kB peak, 65261732 kB available RAM
processed 4 of 4 images (100.0%)
TIMING matching_and_photometry: 0 seconds
Done with measurements! =)

Total number of measurements 34002 (34002 measurements stored in RAM)
Freeing up some memory...  Sorting the measurements cached in memory...
Writing lightcurve (outNNNNN.dat) files...
TIMING lightcurve_write: 1 seconds
The lightcurve files have been written, freeing up more memory...
Creating vast_image_details.log ... 

Writing summary file: vast_summary.log ...  OK
Selecting the best aperture for each source
Aperture with index 0 (REFERENCE_APERTURE_DIAMETER +0.00*REFERENCE_APERTURE_DIAMETER) seems best for  4110 stars
Aperture with index 1 (REFERENCE_APERTURE_DIAMETER +0.00*REFERENCE_APERTURE_DIAMETER) seems best for     0 stars
Aperture with index 2 (REFERENCE_APERTURE_DIAMETER -0.10*REFERENCE_APERTURE_DIAMETER) seems best for  4400 stars
Aperture with index 3 (REFERENCE_APERTURE_DIAMETER +0.10*REFERENCE_APERTURE_DIAMETER) seems best for  1998 stars
Aperture with index 4 (REFERENCE_APERTURE_DIAMETER +0.20*REFERENCE_APERTURE_DIAMETER) seems best for  2015 stars
Aperture with index 5 (REFERENCE_APERTURE_DIAMETER +0.30*REFERENCE_APERTURE_DIAMETER) seems best for  3360 stars

done!  =)
TIMING select_aperture: 0 seconds
Computing lightcurve statistics...  Will not compute variability indexes for objects having <1 points in lightcurve
You may disable this by commenting out the line '#define DROP_LIGHTCURVES_WITH_SMALL_NUMBER_OF_POINTS_FROM_ALL_PLOTS' in src/vast_limits.h an re-compiling VaST with 'make'

Computing, please wait a bit
.............................................................................................................................................................
vast_lightcurve_statistics.log: 15754 objects, the longest string is 383 bytes.
Allocating memory for resorting the file.



----***** VaST processing WARNING *****----
You asked VaST to process 4 images, but only 1 were actually matched to the reference one.
Please investigate this!



**************************************************************
This error might be a bug, but it is far more likely that it is caused by 
inappropriate input data. A few simple things to check in the diagnostic
messages printed above (or the vast*.log files):
 * How many of the input images are matched?
 * Does the number of detected stars on each image look reasonable?
 * Do images have a sufficient overlap of at least about 20 percent?

You may run
 ./sextract_single_image /path/to/my/image/file.fit
to see how well VaST detects stars with the current SExtractor settings
(star detection settings can be changed in the default.sex configuration
file, see various examples in the VaST directory).

If you cannot identify the problem, please e-mail Kirill Sokolovsky 
Please try to describe the problem in details and, if possible, attach vast_summary.log
file and a few example images. If the images are too big to be sent by e-mail, please 
upload them through a web-form http://scan.sai.msu.ru/upload/
**************************************************************

Low percentage of matched images - we'll declare this an unsuccessful VaST run (exit code 1)
_____________________
ERROR running VaST on the field Lyr-02-Q2b1x1 (less than 4 images processed)
exp_start= 16.05.2026 09:29:18.987  exp=   20.000  JD= 2461176.89547439  ap=  6.3  rotation=   0.000  *detected= 17045  *matched= 17045  status=OK     /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
exp_start= 16.05.2026 09:30:03.020  exp=   20.000  JD= 2461176.89598403  ap=  6.3  rotation=   0.003  *detected= 16957  *matched= 15883  status=OK     /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
exp_start= 24.10.2026 04:40:42.963  exp=   20.000  JD= 2461337.69505744  ap=  6.0  rotation= -179.474  *detected=   710  *matched=   561  status=ERROR  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
exp_start= 24.10.2026 04:41:20.930  exp=   20.000  JD= 2461337.69549687  ap=  5.9  rotation= -179.416  *detected=   498  *matched=   400  status=ERROR  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
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/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
  
Last  image: 2461337.69505744 24.10.2026 04:40:42.963 UTC
WARNING: VaST exited with code 1 on the field Lyr-02-Q2b1x1 as too few input images were matched to the reference image - wrong pointing? clouds? very bad focus?
____ VaST output ____

--==VaST 1.0rc90==--

Parsing command line arguments...
opt 'F': Will NOT create flag images for SExtractor
opt '5': 5.000000 pix is the new fixed star matching radius!
opt 'b': Using 500 reference stars for image matching!
opt '3': Will try to select best aperture for each source!
opt 'y': 0 SysRem iterations will be conducted!
opt 't 4': robust linear magnitude calibration (vary zero-point and slope)
opt 'x': 99 is the maximum acceptable SExtractor flag!
WARNING: disabling the mag-size filter in order not to reject blended stars.
opt 'u': Stick with UTC time system, no conversion to TT will be done!
opt 'f': Run ./find_candidates manually!
opt 'k': "JD" keyword in FITS image header will be ignored!
INFO from vast_remove_directory(): Could not open directory: symlinks_to_images
INFO from vast_remove_directory(): Could not open directory: converted_images
INFO from vast_remove_directory(): Could not open directory: unpacked_images

Checking the list of input images specified on the command line ...

Looking for the list of input images with time corrections in vast_list_of_input_images_with_time_corrections.txt ... list not found.
This is OK if you specify the input images on the command line, not through this text file.
Checking write permissions for the current directory (/data_ssd/NMW-TexasTech/workdir/vast_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa)...  OK
Found a system-wide installation of SExtractor
Cleaning old outNNNNN.dat files.
Done with cleaning!

 VaST was started with the following command line: 
./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits 


Preparing to process 4 input FITS images...


######## Forcing special settings for the transient detection ########
transient search mode: disabling the mag-size filter as it should be switched off when running a transient search!
transient search mode: disabling the bad image filter as it will not help during the transient search!
transient search mode: will not try to gues image saturation limit
transient search mode: no UTC-to-TT time system conversion will be performed!!!
transient search mode: setting the maximum acceptable SExtractor flag to 3
transient search mode: disabling rejectin of images with elliptical stars
transient search mode: not discarding large sources
################
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Setting the fixed star match radius of 5.00 pix
We have 4 images to process.
SExtractor catalog cache: restored Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits catalog from cache
SExtractor catalog cache: restored Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits catalog from cache
Running SExtractor in 3 parallel threads...
Using the catalog image00001.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Using the catalog image00002.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
The gain value (GAIN=0.830) from default.sex will be used for image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
The above guess is based on the non-default gain value specified in default.sex by user
autodetect_aperture() is running SExtractor on /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
autodetect_aperture() is doing a preliminary SExtractor run to determine an appropriate aperture size
sex -c default.sex  -PARAMETERS_NAME autodetect_aper.param -CATALOG_NAME autodetect_aper_image00003.cat  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits > image00003.cat.sex_log 2>&1
Parent process says: we are done fork()ing.
Waiting for thread 2 to finish...
The gain value (GAIN=0.830) from default.sex will be used for image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
The above guess is based on the non-default gain value specified in default.sex by user
autodetect_aperture() is running SExtractor on /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
autodetect_aperture() is doing a preliminary SExtractor run to determine an appropriate aperture size
sex -c default.sex  -PARAMETERS_NAME autodetect_aper.param -CATALOG_NAME autodetect_aper_image00004.cat  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits > image00004.cat.sex_log 2>&1
autodetect_aperture() is doing the main SExtractor run
sex  -PARAMETERS_NAME default.param -PHOT_APERTURES 4.3,4.3,3.9,4.7,5.1,5.6 -VERBOSE_TYPE NORMAL -CATALOG_NAME image00004.cat /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits > image00004.cat.sex_log 2>&1
autodetect_aperture() is doing the main SExtractor run
sex  -PARAMETERS_NAME default.param -PHOT_APERTURES 4.3,4.3,3.9,4.7,5.2,5.6 -VERBOSE_TYPE NORMAL -CATALOG_NAME image00003.cat /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits > image00003.cat.sex_log 2>&1
autodetect_aperture() is done with image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Waiting for thread 1 to finish...
autodetect_aperture() is done with image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits


Done with SExtractor!

TIMING SExtractor: 4 seconds


Matching stars between images!

No manually selected comparison stars file manually_selected_comparison_stars.lst which is fine.
Processing  /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-05-16T09:29:18.9878949
Setting observation time using DATE-OBS keyword: 2026-05-16T09:29:18.9878949

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-05-16T09:29:18.987
EXPTIME = 20.000

Using the catalog image00001.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
Exposure 20 sec, 16.05.2026 09:29:18.987 UTC = JD(UTC) 2461176.89547439 mid. exp.
The reference image star  7581.349     1.057 is rejected, see bad_region.lst
The reference image star  7707.333     1.255 is rejected, see bad_region.lst
The reference image star  9031.891     1.331 is rejected, see bad_region.lst
The reference image star  7536.090     1.259 is rejected, see bad_region.lst
The reference image star  7736.295     1.528 is rejected, see bad_region.lst
The reference image star  7836.991     1.188 is rejected, see bad_region.lst
The reference image star  8154.094     1.719 is rejected, see bad_region.lst
The reference image star  8263.400     1.672 is rejected, see bad_region.lst
The reference image star  9299.636     1.806 is rejected, see bad_region.lst
The reference image star  7783.593     2.828 is rejected, see bad_region.lst
Excluding more reference image stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 115334, (115334 good for image matching)
 * rejected as having no flux measurement: 0
 * rejected as having SNR<3.0: 58
 * rejected inside rectangles defined in bad_region.lst: 40247
 * rejected close to frame edge: 473
 * rejected as being too small (<1.2 pix): 0
 * rejected as being too large (>4.7 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 105
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.

Please note: the CCD position-dependent magnitude correction will be applied.
get_detection_limit_sn(): Detection limit: -6.85
Detection limit from the magnitude-SNR relation= -6.9  (4.0 sigma detection)
The simple faintest star detection limit= -6.4
80 percent brightest stars detection limit= -7.6
Selected detection limit= -7.6
Final detection limit= -7.6 (after subtracting MAG_TRANSIENT_ABOVE_THE_REFERENCE_FRAME_LIMIT=0.0)

Parameter box for transient search:    10.04.7 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 124
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
    115629 * detected, using  501/ 500 * for reference/current image matching, fraction_of_ambiguous_matches= 0.044669, number_of_ambiguous_matches=5165 
refining the coordinate transformation... [CVPOLY iter 1: order=1 pairs=102172 inliers=102172 rms 2.65 -> 0.91 pix, max corner correction 6.1 pix] fraction_of_ambiguous_matches= 0.017867, number_of_ambiguous_matches=2066 
105259 * matched, [CVPOLY iter 2: order=1 pairs=105259 inliers=105259 rms 0.38 -> 0.33 pix, max corner correction 0.5 pix] fraction_of_ambiguous_matches= 0.017902, number_of_ambiguous_matches=2070 
105257 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=105257 inliers=105257 rms 0.33 -> 0.33 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.012877, number_of_ambiguous_matches=1489 
105192 * matched (3rd iteration). Success!
  rotation [degrees] =  -0.004
    115629 stars detected, 105192 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 91913, N_manually_selected_comparison_stars = 0
Using 91913 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 91905 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00000*X_pix +0.00000*Y_pix -0.00230
Iteratively removing outliers from the mag-mag relation (weighted linear/polynomial fit)...
Computing robust linear magnitude calibration.
Used 87531 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -6.85
    125771 objects stored in memory (1000000 max.)
Magnitude calibration is performed successfully!
Saving observations to the cache... OK
memory:  291000 kB used, 333944 kB peak, 65261732 kB available RAM
Total number of measurements 230963 (230963 measurements stored in RAM)
sorting the measurements cached in memory,
writing lightcurve (outNNNNN.dat) files...
processed 2 of 4 images ( 50.0%)



Processing  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-10-24T04:40:42.9631130
Setting observation time using DATE-OBS keyword: 2026-10-24T04:40:42.9631130

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-10-24T04:40:42.963
EXPTIME = 20.000

Using the catalog image00003.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
The star  7695.468    28.333 is rejected, see bad_region.lst
The star  7864.837    22.741 is rejected, see bad_region.lst
The star  9024.968    16.128 is rejected, see bad_region.lst
The star  7708.287     5.335 is rejected, see bad_region.lst
The star  8852.421    12.466 is rejected, see bad_region.lst
The star  8019.819    23.337 is rejected, see bad_region.lst
The star  9473.365    14.646 is rejected, see bad_region.lst
The star  7957.821    17.959 is rejected, see bad_region.lst
The star  9470.653    15.828 is rejected, see bad_region.lst
The star  9121.335    19.902 is rejected, see bad_region.lst
Excluding more stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 9340
 * rejected as having no flux measurement: 0
 * rejected as having SNR<3.0: 1
 * rejected inside rectangles defined in bad_region.lst: 1936
 * rejected close to frame edge: 49
 * rejected as being too small (<1.1 pix): 0
 * rejected as being too large (>4.3 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 22
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
     9340 * detected, using  100/ 500 * for reference/current image matching, fraction_of_ambiguous_matches= 0.000032, number_of_ambiguous_matches=4 
refining the coordinate transformation... [CVPOLY iter 1: order=3 pairs=7940 inliers=7940 rms 0.89 -> 0.20 pix, max corner correction 8.5 pix] fraction_of_ambiguous_matches= 0.000024, number_of_ambiguous_matches=3 
7941 * matched, [CVPOLY iter 2: order=1 pairs=7941 inliers=7941 rms 0.20 -> 0.20 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.000024, number_of_ambiguous_matches=3 
7941 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=7941 inliers=7941 rms 0.20 -> 0.20 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.000008, number_of_ambiguous_matches=1 
7940 * matched (3rd iteration). Success!
  rotation [degrees] = -179.474
     9340 stars detected,  7940 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 5783, N_manually_selected_comparison_stars = 0
Using 5783 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 4931 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00015*X_pix +0.00025*Y_pix +0.30192
ERROR in magnitude calibration: fabs(lin_mag_B * Y_im_size + lin_mag_C) > MAX_LIN_CORR_MAG
Used 4931 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -8.28
 ERROR!!! Magnitude calibration failure. Dropping image. 
    125771 objects stored in memory (1000000 max.)
memory:  439784 kB used, 569536 kB peak, 65261732 kB available RAM
processed 3 of 4 images ( 75.0%)



Processing  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
9576x6388 FITS image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
Trying to guess the time system by parsing the comment string 'Time of observation (UTC)'
Time system set from the comment to DATE-OBS keyword: 'Time of observation (UTC)'
The input time system is identified as: UTC (blank if unknown)
Setting observation date using DATE-OBS keyword: 2026-10-24T04:41:20.9304352
Setting observation time using DATE-OBS keyword: 2026-10-24T04:41:20.9304352

Observing time converted to the "standard" FITS header format:
DATE-OBS= 2026-10-24T04:41:20.930
EXPTIME = 20.000

Using the catalog image00004.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
The star  7864.051    24.047 is rejected, see bad_region.lst
The star  9024.155    17.388 is rejected, see bad_region.lst
The star  7694.673    29.634 is rejected, see bad_region.lst
The star  8018.958    24.591 is rejected, see bad_region.lst
The star  9120.701    21.258 is rejected, see bad_region.lst
The star  9375.163    32.564 is rejected, see bad_region.lst
The star  9377.448    31.558 is rejected, see bad_region.lst
The star  8462.571    31.489 is rejected, see bad_region.lst
The star  8022.089    44.327 is rejected, see bad_region.lst
The star  8805.212    41.835 is rejected, see bad_region.lst
Excluding more stars falling at bad regions!.. (will not print them all)
SExtractor output filtering results:
 * passed selection: 6571
 * rejected as having no flux measurement: 1
 * rejected as having SNR<3.0: 0
 * rejected inside rectangles defined in bad_region.lst: 1467
 * rejected close to frame edge: 34
 * rejected as being too small (<1.1 pix): 0
 * rejected as being too large (>4.3 pix): 0
 * rejected as outliers in mag-size plot: 0
 * rejected as having SExtractor flags > 99 and <= 7: 0
 * rejected as having hopelessly bad SExtractor flags (>7): 16
 * rejected due to an external image flag: 0
 * rejected as having bad PSF fit: 0
---
You may change some of the filtering parameters by editing src/vast_limits.h and re-running 'make'.
     6571 * detected, using  100/ 500 * for reference/current image matching, fraction_of_ambiguous_matches= 0.000127, number_of_ambiguous_matches=16 
refining the coordinate transformation... [CVPOLY iter 1: order=2 pairs=5621 inliers=5621 rms 2.79 -> 0.69 pix, max corner correction 9.8 pix] fraction_of_ambiguous_matches= 0.000024, number_of_ambiguous_matches=3 
5668 * matched, [CVPOLY iter 2: order=3 pairs=5668 inliers=5668 rms 0.24 -> 0.21 pix, max corner correction 2.2 pix] fraction_of_ambiguous_matches= 0.000024, number_of_ambiguous_matches=3 
5668 * matched (2nd iteration). [CVPOLY iter 3: order=1 pairs=5668 inliers=5668 rms 0.21 -> 0.21 pix, max corner correction 0.0 pix] fraction_of_ambiguous_matches= 0.000016, number_of_ambiguous_matches=2 
5668 * matched (3rd iteration). Success!
  rotation [degrees] = -179.509
     6571 stars detected,  5668 stars matched
Performing magnitude calibration using automatically selected comparison stars
Expecting to find at least 40 * for magnitude calibration
We have N_good_stars = 4030, N_manually_selected_comparison_stars = 0
Using 4030 stars for magnitude calibration (before filtering).
Iteratively removing outliers from the linear mag-mag relation (unweighted fit)...
After removing outliers in (X,Y,dm) plane, we are left with 3378 stars for magnitude calibration.
Using the linear CCD position-dependent magnitude correction:
 delta_m = -0.00017*X_pix +0.00028*Y_pix +0.37287
ERROR in magnitude calibration: fabs(lin_mag_A * X_im_size + lin_mag_C) > MAX_LIN_CORR_MAG
ERROR in magnitude calibration: fabs(lin_mag_B * Y_im_size + lin_mag_C) > MAX_LIN_CORR_MAG
Used 3378 stars for magnitude calibration (after filtering).
get_detection_limit_sn(): Detection limit: -8.33
 ERROR!!! Magnitude calibration failure. Dropping image. 
    125771 objects stored in memory (1000000 max.)
memory:  439784 kB used, 569536 kB peak, 65261732 kB available RAM
processed 4 of 4 images (100.0%)
TIMING matching_and_photometry: 3 seconds
Done with measurements! =)

Total number of measurements 230963 (0 measurements stored in RAM)
Freeing up some memory...  Sorting the measurements cached in memory...
Writing lightcurve (outNNNNN.dat) files...
TIMING lightcurve_write: 0 seconds
The lightcurve files have been written, freeing up more memory...
Creating vast_image_details.log ... 

Writing summary file: vast_summary.log ...  OK
Selecting the best aperture for each source
Aperture with index 0 (REFERENCE_APERTURE_DIAMETER +0.00*REFERENCE_APERTURE_DIAMETER) seems best for 16106 stars
Aperture with index 1 (REFERENCE_APERTURE_DIAMETER +0.00*REFERENCE_APERTURE_DIAMETER) seems best for     0 stars
Aperture with index 2 (REFERENCE_APERTURE_DIAMETER -0.10*REFERENCE_APERTURE_DIAMETER) seems best for 30461 stars
Aperture with index 3 (REFERENCE_APERTURE_DIAMETER +0.10*REFERENCE_APERTURE_DIAMETER) seems best for 16800 stars
Aperture with index 4 (REFERENCE_APERTURE_DIAMETER +0.20*REFERENCE_APERTURE_DIAMETER) seems best for 13871 stars
Aperture with index 5 (REFERENCE_APERTURE_DIAMETER +0.30*REFERENCE_APERTURE_DIAMETER) seems best for 27954 stars

done!  =)
TIMING select_aperture: 3 seconds
Computing lightcurve statistics...  Will not compute variability indexes for objects having <1 points in lightcurve
You may disable this by commenting out the line '#define DROP_LIGHTCURVES_WITH_SMALL_NUMBER_OF_POINTS_FROM_ALL_PLOTS' in src/vast_limits.h an re-compiling VaST with 'make'

Computing, please wait a bit
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
vast_lightcurve_statistics.log: 104645 objects, the longest string is 384 bytes.
Allocating memory for resorting the file.



----***** VaST processing WARNING *****----
You asked VaST to process 4 images, but only 1 were actually matched to the reference one.
Please investigate this!



**************************************************************
This error might be a bug, but it is far more likely that it is caused by 
inappropriate input data. A few simple things to check in the diagnostic
messages printed above (or the vast*.log files):
 * How many of the input images are matched?
 * Does the number of detected stars on each image look reasonable?
 * Do images have a sufficient overlap of at least about 20 percent?

You may run
 ./sextract_single_image /path/to/my/image/file.fit
to see how well VaST detects stars with the current SExtractor settings
(star detection settings can be changed in the default.sex configuration
file, see various examples in the VaST directory).

If you cannot identify the problem, please e-mail Kirill Sokolovsky 
Please try to describe the problem in details and, if possible, attach vast_summary.log
file and a few example images. If the images are too big to be sent by e-mail, please 
upload them through a web-form http://scan.sai.msu.ru/upload/
**************************************************************

Low percentage of matched images - we'll declare this an unsuccessful VaST run (exit code 1)
_____________________
ERROR running VaST on the field Lyr-02-Q2b1x1 (less than 4 images processed)
exp_start= 16.05.2026 09:29:18.987  exp=   20.000  JD= 2461176.89547439  ap=  4.7  rotation=   0.000  *detected= 115334  *matched= 115334  status=OK     /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-29-18_20.00sec_-0.00C_LIGHT_0299.fits
exp_start= 16.05.2026 09:30:03.020  exp=   20.000  JD= 2461176.89598403  ap=  4.7  rotation=  -0.004  *detected= 115629  *matched= 105192  status=OK     /data_ssd/NMW-TexasTech/reference_imgs/Lyr-02-Q2b1x1_2026-05-16_04-30-03_20.00sec_0.00C_LIGHT_0300.fits
exp_start= 24.10.2026 04:40:42.963  exp=   20.000  JD= 2461337.69505744  ap=  4.3  rotation= -179.474  *detected=  9340  *matched=  7940  status=ERROR  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-40-42_20.00sec_-0.00C_LIGHT_0098.fits
exp_start= 24.10.2026 04:41:20.930  exp=   20.000  JD= 2461337.69549687  ap=  4.3  rotation= -179.509  *detected=  6571  *matched=  5668  status=ERROR  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Lyr-02-Q2b1x1_234720_TTUQ2b1x1_319593_WUhOyIsa/fd_Lyr-02-Q2b1x1_2026-10-23_23-41-20_20.00sec_-0.00C_LIGHT_0099.fits
########### Completed Lyr-02-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
ls: cannot access 'planets.txt': No such file or directory
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT):
ls: cannot access 'moons.txt': No such file or directory
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT):
ls: cannot access 'spacecraft.txt': No such file or directory
############################################################
ls: cannot access 'comets.txt': No such file or directory
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
ls: cannot access 'asassn_transients_list.txt': No such file or directory
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
ls: cannot access 'tocp_transients_list.txt': No such file or directory

=== Transient Factory Profiling ===
Started: Fri Oct 23 23:49:18 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 0 seconds
TIMING SExtractor: 4 seconds
TIMING matching_and_photometry: 3 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 3 seconds
FIELD_Lyr-02-Q2b1x1: 54s (0.90 min)
=======================================
TOTAL_RUNTIME: 193s (3.22 min)
Finished: Fri Oct 23 23:52:31 CDT 2026