######## 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
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP=
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION=
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER=
HOME=
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory:
Eri-08-Q2b1x1
#######################################
########### Starting Eri-08-Q2b1x1 ###########
Processing Eri-08-Q2b1x1
server tau has sufficient free disk space available: 400995 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 400995 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Small preview (one of the new images): 
Large previews of the second-epoch (new) images:
MAKE_PNG_PLOTS=yes
renamed 'Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.png' -> 'transient_report/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits_preview.png'
Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
renamed 'Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.png' -> 'transient_report/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits_preview.png'
Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.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= 1517.6182
INFO: REFERENCE_EPOCH__FIRST_IMAGE_SD= 541.3686
INFO: SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 9159.8649
INFO: SECOND_EPOCH__FIRST_IMAGE_SD= 3644.6668
INFO: SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 9077.1813
INFO: SECOND_EPOCH__SECOND_IMAGE_SD= 3520.1488
----------------------------------------------
INFO: ref_to_second_epoch_img_mean_ratio= 6.03568
INFO: SECOND_EPOCH__SD_ratio= 0.035
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 = 22.3500003814697 / [degC] Focuser temperature
AMBTEMP = 23.0 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE = T / C# FITS" status=0
Record 2: "BITPIX = 16" status=0
Record 3: "NAXIS = 2 / Dimensionality" status=0
Record 4: "NAXIS1 = 9576" status=0
Record 5: "NAXIS2 = 6388" status=0
Record 6: "BZERO = 32768" status=0
Record 7: "EXTEND = T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT' / Type of exposure" status=0
Record 9: "EXPOSURE= 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME = 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-01T05:32:41.2327853' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-01T10:32:41.2327853' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS = 61284.4393661111 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-01T10:32:51.1371569' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG = 61284.4394807522 / 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 = 57.5992542667096 / [deg] RA of telescope" status=0
Record 32: "DEC = -25.999477882354 / [deg] Declination of telescope" status=0
Record 33: "CENTALT = 27.1013888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ = 158.800277777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS = 2.18700949376894 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West' / Telescope pointing state" status=0
Record 37: "SITEELEV= 1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT = 33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG= -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky' / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview' / Observatory name" status=0
Record 42: "SITENAME= '' / Observatory site name" status=0
Record 43: "FWHEEL = 'Simulator' / Filter Wheel name" status=0
Record 44: "FILTER = 'CV' / Active filter name" status=0
Record 45: "OBJECT = 'Eri-08' / Name of the object of interest" status=0
Record 46: "OBJCTRA = '03 50 24' / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-26 00 00' / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT= 0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser' / Focusing equipment name" status=0
Record 50: "FOCPOS = 20434 / [step] Focuser position" status=0
Record 51: "FOCUSPOS= 20434 / [step] Focuser position" status=0
Record 52: "FOCUSSZ = 0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP = 22.3500003814697 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM= 22.3500003814697 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT= 13.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY= 56.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE= 902.4 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP = 23.0 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR = 7.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST= 9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD = 5.400432 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN' / FITS Image Orientation" status=0
Record 63: "EQUINOX = 2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP = 20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP = 13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP = 85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP = 85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP = 20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL = 6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF = 235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET = 20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM = T / isLongExposureMode" status=0
Record 74: "QHY_OFF0= 3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits 9576 6388 16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388 16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/d_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits :)
Spent 0.522750 seconds
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/d_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits 9576 6388 16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388 16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits :)
No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
EXPTIME = 20.0 / [s] Exposure duration
SET-TEMP= 0.0 / [degC] CCD temperature setpoint
CCD-TEMP= 0.0 / [degC] CCD temperature
FOCTEMP = 22.3400001525879 / [degC] Focuser temperature
AMBTEMP = 23.0 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE = T / C# FITS" status=0
Record 2: "BITPIX = 16" status=0
Record 3: "NAXIS = 2 / Dimensionality" status=0
Record 4: "NAXIS1 = 9576" status=0
Record 5: "NAXIS2 = 6388" status=0
Record 6: "BZERO = 32768" status=0
Record 7: "EXTEND = T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT' / Type of exposure" status=0
Record 9: "EXPOSURE= 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME = 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-09-01T05:33:23.2931458' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-09-01T10:33:23.2931458' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS = 61284.4398529283 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-09-01T10:33:33.1941576' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG = 61284.4399675233 / 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 = 57.5992542107934 / [deg] RA of telescope" status=0
Record 32: "DEC = -25.9994778811379 / [deg] Declination of telescope" status=0
Record 33: "CENTALT = 27.1538888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ = 158.9675 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS = 2.1831387589414 / Airmass at frame center (Gueymard 1993)" status=0
Record 36: "PIERSIDE= 'West' / Telescope pointing state" status=0
Record 37: "SITEELEV= 1009.5 / [m] Observation site elevation" status=0
Record 38: "SITELAT = 33.7482925 / [deg] Observation site latitude" status=0
Record 39: "SITELONG= -101.958319 / [deg] Observation site longitude" status=0
Record 40: "OBSERVER= 'Sokolovsky' / Observer name" status=0
Record 41: "OBSERVAT= 'TTU Skyview' / Observatory name" status=0
Record 42: "SITENAME= '' / Observatory site name" status=0
Record 43: "FWHEEL = 'Simulator' / Filter Wheel name" status=0
Record 44: "FILTER = 'CV' / Active filter name" status=0
Record 45: "OBJECT = 'Eri-08' / Name of the object of interest" status=0
Record 46: "OBJCTRA = '03 50 24' / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '-26 00 00' / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT= 0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser' / Focusing equipment name" status=0
Record 50: "FOCPOS = 20434 / [step] Focuser position" status=0
Record 51: "FOCUSPOS= 20434 / [step] Focuser position" status=0
Record 52: "FOCUSSZ = 0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP = 22.3400001525879 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM= 22.3400001525879 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT= 13.7 / [degC] Dew point" status=0
Record 56: "HUMIDITY= 56.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE= 902.4 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP = 23.0 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR = 7.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST= 9.400752 / [kph] Wind gust" status=0
Record 61: "WINDSPD = 5.400432 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN' / FITS Image Orientation" status=0
Record 63: "EQUINOX = 2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP = 20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP = 13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP = 85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP = 85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP = 20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL = 6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF = 235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET = 20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM = T / isLongExposureMode" status=0
Record 74: "QHY_OFF0= 3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits 9576 6388 16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388 16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/d_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits :)
Spent 0.571738 seconds
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/d_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits 9576 6388 16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388 16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits :)
No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Dark frame used to calibrate the second-epoch images:
Flat field used to calibrate the second-epoch images:
after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Previews of the CALIBRATED second-epoch images:
fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.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/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
SExtractor catalog cache: saved Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.cat to cache
SExtractor catalog cache: saved Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_onlybrightstars_v1
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461284.93948185
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits exists and is non-empty
wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits exists and is non-empty
wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits exists and is non-empty
wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (1st reference image)
verification OK: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Image size: 941.7'x627.6' 15.7(deg)x10.5(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 03:50:26.444 -26:00:02.47 J2000 4789.000 3195.000
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits (1st new image)
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Image size: 937.2'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:59.353 -26:02:09.19 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:50:26.444 -26:00:02.47
Second-epoch image center 03:49:59.353 -26:02:09.19
Angular distance between the image centers 0.1074 deg.
Soft limit: 0.50 deg. Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits (2nd new image)
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Image size: 937.2'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:57.344 -26:02:30.70 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:50:26.444 -26:00:02.47
Second-epoch image center 03:49:57.344 -26:02:30.70
Angular distance between the image centers 0.1165 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center 03:49:59.353 -26:02:09.19
Second-epoch second image center 03:49:57.344 -26:02:30.70
Angular distance between the image centers 0.00961 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits &> /tmp/tmp.qecPjMWfq2
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits &> /tmp/tmp.n50fiZkPEM
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits &> /tmp/tmp.OsmbwDVnXq
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits &> /tmp/tmp.hHzXn2aoE7
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Calibrating the magnitude scale
Found non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
Found non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
The reference image (wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits) and catalog (wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat) found
'wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat' -> 'wcsmag.cat'
Read 4897 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.7166 to 66.8986 deg, Dec -31.3420 to -20.3306 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.7166 to 66.8986 deg, Dec -31.3420 to -20.3306 deg
Loaded 6072 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 3914 out of 4044 total matches.
Matched with Tycho-2 4044 out of 4897 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.754850
a=0.000000 b=1.000000 c=22.754850
From vast_summary.log: estimated ref. image limiting mag.: -8.05
Updating vast_summary.log: Estimated ref. image limiting mag.: 14.70
Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed! =)
Estimated ref. image limiting mag.: 14.70
Lightcurve magnitude calibration plot:
Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 4897 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.7166 to 66.8986 deg, Dec -31.3420 to -20.3306 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.7166 to 66.8986 deg, Dec -31.3420 to -20.3306 deg
Loaded 6072 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 3914 out of 4044 total matches.
Matched with Tycho-2 4044 out of 4897 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Forced-photometry filter: calibrated wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits -> calib.txt_param_ref_wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (aperture=5.9)
Read 5118 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.7169 to 66.8977 deg, Dec -31.3419 to -20.3060 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.7169 to 66.8977 deg, Dec -31.3419 to -20.3060 deg
Loaded 6079 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4024 out of 4155 total matches.
Matched with Tycho-2 4155 out of 5118 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Forced-photometry filter: calibrated wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits -> calib.txt_param_ref_wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits (aperture=5.8)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 2 candidate transients before the final filtering. (Hard limit: 10000)
Median FWHM seeing for isolated stars:
2.0 pix Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
2.1 pix Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
2.3 pix fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
2.3 pix fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Limiting magnitude estimates:
14.7 mag. Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
14.8 mag. Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
12.4 mag. fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
12.4 mag. fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
All-image limiting magnitude estimate: 12.4 (SNR ) 9.8 (80% of stars) with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of following Karpov (2025, Acta Polytechnica, 65, 50).
This value should be representative of the faintest stars clearly visible in the image.
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.qecPjMWfq2 (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits' -> 'wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS_IMAGE_NAME=wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS-calibrated image found: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Checking if the catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits alredy exist and is non-empty...
Catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS catalog name: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=402, bad_region=1096, passed=4897
Got 4897 stars (including 3504 good ones) from the SExtractor catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
util/solve_plate_with_UCAC5 got 4897 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 3427 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 3427 matched stars entering correct_measured_positions(), 3427 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 3427 matched stars entering correct_measured_positions(), 4007 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 3427 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 3426 matched stars entering correct_measured_positions(), 4007 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Accuracy estimation diagnostic: 3426 matched stars entering correct_measured_positions(), 4007 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26"
Excluding outliers - 3426 stars left (next iteration limit 3769)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits N_match=3426 sigma_overall_arcsec=0.286 sigma_q1_arcsec=0.337 sigma_q2_arcsec=0.281 sigma_q3_arcsec=0.253 sigma_q4_arcsec=0.253 n_q1=1084 n_q2=588 n_q3=1153 n_q4=601 worst_quadrant_to_overall_ratio=1.180
The image catalog is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits -region wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.n50fiZkPEM (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits' -> 'wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS_IMAGE_NAME=wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS-calibrated image found: wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Checking if the catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits alredy exist and is non-empty...
Catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS catalog name: wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=394, bad_region=1107, passed=5118
Got 5118 stars (including 3698 good ones) from the SExtractor catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat
util/solve_plate_with_UCAC5 got 5118 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 3609 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 3607 matched stars entering correct_measured_positions(), 3608 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.24"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 3607 matched stars entering correct_measured_positions(), 4225 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.24"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 3609 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 3607 matched stars entering correct_measured_positions(), 4225 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Accuracy estimation diagnostic: 3607 matched stars entering correct_measured_positions(), 4225 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Excluding outliers - 3607 stars left (next iteration limit 3967)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits N_match=3607 sigma_overall_arcsec=0.280 sigma_q1_arcsec=0.330 sigma_q2_arcsec=0.266 sigma_q3_arcsec=0.262 sigma_q4_arcsec=0.250 n_q1=1122 n_q2=611 n_q3=1235 n_q4=639 worst_quadrant_to_overall_ratio=1.179
The image catalog is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits -region wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.OsmbwDVnXq (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS-calibrated image found: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=123, bad_region=223, passed=785
Got 785 stars (including 466 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
util/solve_plate_with_UCAC5 got 785 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 443 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 442 matched stars entering correct_measured_positions(), 406 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.51"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 442 matched stars entering correct_measured_positions(), 520 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.54"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 443 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 442 matched stars entering correct_measured_positions(), 521 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55"
Accuracy estimation diagnostic: 442 matched stars entering correct_measured_positions(), 520 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.54"
Excluding outliers - 442 stars left (next iteration limit 486)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=442 robust_rms=6.564 arcsec worst_quadrant_rms=9.566 arcsec
SIP_REFIT: SIP order 3 trial: matched=442 robust_rms=0.593 arcsec worst_quadrant_rms=0.814 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=442 robust_rms_before=0.857 arcsec robust_rms_before_corrected=0.606 arcsec robust_rms_after=0.593 arcsec worst_quadrant_rms_before=0.822 worst_quadrant_rms_after=0.814
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.822 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits N_match=442 sigma_overall_arcsec=0.579 sigma_q1_arcsec=0.729 sigma_q2_arcsec=0.468 sigma_q3_arcsec=0.707 sigma_q4_arcsec=0.458 n_q1=96 n_q2=123 n_q3=83 n_q4=140 worst_quadrant_to_overall_ratio=1.260
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.hHzXn2aoE7 (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS-calibrated image found: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=132, bad_region=214, passed=770
Got 770 stars (including 446 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
util/solve_plate_with_UCAC5 got 770 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 430 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 430 matched stars entering correct_measured_positions(), 386 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.53"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 430 matched stars entering correct_measured_positions(), 506 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.53"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 430 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 430 matched stars entering correct_measured_positions(), 511 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.55"
Accuracy estimation diagnostic: 430 matched stars entering correct_measured_positions(), 511 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.56"
Excluding outliers - 430 stars left (next iteration limit 473)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=430 robust_rms=6.415 arcsec worst_quadrant_rms=8.287 arcsec
SIP_REFIT: SIP order 3 trial: matched=430 robust_rms=0.579 arcsec worst_quadrant_rms=0.718 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=430 robust_rms_before=0.872 arcsec robust_rms_before_corrected=0.558 arcsec robust_rms_after=0.579 arcsec worst_quadrant_rms_before=0.858 worst_quadrant_rms_after=0.718
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Image size: 937.1'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:57.374 -26:02:30.95 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 770 stars ###
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/correct_sextractor_wcs_catalog_usingxy2sky301167.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 3, robust RMS 0.872 -> 0.579 arcsec)
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits N_match=430 sigma_overall_arcsec=0.626 sigma_q1_arcsec=0.726 sigma_q2_arcsec=0.564 sigma_q3_arcsec=0.809 sigma_q4_arcsec=0.565 n_q1=94 n_q2=125 n_q3=82 n_q4=129 worst_quadrant_to_overall_ratio=1.293
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Saving the final (post-refit) wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits to local_wcs_cache/
'wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits' -> 'local_wcs_cache/wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits'
Saving the final (post-refit) wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits to local_wcs_cache/
'wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits' -> 'local_wcs_cache/wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits'
Saving the final (post-refit) wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits to local_wcs_cache/
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits' -> 'local_wcs_cache/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits'
Saving the final (post-refit) wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits to local_wcs_cache/
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits' -> 'local_wcs_cache/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits sigma_overall=0.286 worst_q_ratio=1.180
ref2=Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits sigma_overall=0.280 worst_q_ratio=1.179
new1=fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits sigma_overall=0.579 worst_q_ratio=1.260
new2=fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits sigma_overall=0.626 worst_q_ratio=1.293
reference average sigma_overall=0.283 worst_q_ratio=1.1795
warn-on-ratio threshold: 2.0x reference
###################################
WCS_QUALITY_RETRY: 1st new image (fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits) flagged: sigma=0.579 (ref avg 0.283), ratio=1.260 (ref avg 1.1795), threshold=2.0x. Retrying with --tweak-order 2.
Running with VAST_TWEAK_ORDER=2: util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
No image with WCS calibration found for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.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_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/lib/make_outxyls_for_astrometric_calibration found 749 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_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.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: "out305426.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out305426.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).
log-odds ratio 563.086 (3.50738e+244), 133 match, 0 conflict, 114 distractors, 196 index.
RA,Dec = (57.4912,-26.0324), pixel scale 5.9577 arcsec/pix.
Hit/miss: Hit/miss: ++++++++++++++++++--+-+++++++++++++++++-+-++++++++-+++++++---++++++-+-++++++++-+-+-++-++++++++++--+-
Field 1: solved with index index-4113.fits.
Field 1 solved: writing to file ./out305426.solved to indicate this.
Field: out305426.xyls
Field center: (RA,Dec) = (57.497733, -26.036654) deg.
Field center: (RA H:M:S, Dec D:M:S) = (03:49:59.456, -26:02:11.953).
Field size: 15.7266 x 10.5397 degrees
Field rotation angle: up is -0.271227 degrees E of N
Field parity: neg
Inserting WCS header... '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits' -> 'fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits'
WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
-rw-r--r-- 1 apache apache 117M Sep 1 05:44 fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
-rw-r--r-- 1 apache apache 12K Sep 1 05:44 out305426.wcs
Inserting WCS header (1st iteration local)... Opening FITS image file fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits for reading... done!
Creating new image file (wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits)... done!
done!
All done!
done
The WCS header appears to be added with no errors in /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits (fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits)
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: "out305426.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out305426.axy"...
Only searching for solutions within 15.6533 degrees of RA,Dec (57.4986,-26.0358)
log-odds ratio 68.8544 (8.0003e+29), 9 match, 0 conflict, 9 distractors, 29 index.
RA,Dec = (57.4937,-26.0401), pixel scale 5.96081 arcsec/pix.
Hit/miss: Hit/miss: ++---++-+---++--++(best)------------------------+-------+-------------------------------------------------
Field 1: solved with index index-4116.fits.
Field 1 solved: writing to file ./out305426.solved to indicate this.
Field: out305426.xyls
Field center: (RA,Dec) = (57.497988, -26.033046) deg.
Field center: (RA H:M:S, Dec D:M:S) = (03:49:59.517, -26:01:58.966).
Field size: 15.7255 x 10.5438 degrees
Field rotation angle: up is -0.270066 degrees E of N
Field parity: neg
WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
-rw-r--r-- 1 apache apache 117M Sep 1 05:44 fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
-rw-r--r-- 1 apache apache 12K Sep 1 05:44 out305426.wcs
Inserting WCS header (2nd iteration local)... Opening FITS image file fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits for reading... done!
Creating new image file (wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits)... done!
done!
All done!
The WCS header appears to be added with no errors.
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
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits was not found.
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Generating wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat from image00003.cat
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits created.
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Image size: 940.5'x627.0' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 03:49:59.737 -26:01:55.97 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 785 stars ###
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/correct_sextractor_wcs_catalog_usingxy2sky307120.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=123, bad_region=223, passed=785
Got 785 stars (including 466 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
util/solve_plate_with_UCAC5 got 785 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.5'
Seting catalog search parameters based on the expected field of view 940.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013063 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010450 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 411 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 404 matched stars entering correct_measured_positions(), 372 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 2.90"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 404 matched stars entering correct_measured_positions(), 470 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 2.93"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 413 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 409 matched stars entering correct_measured_positions(), 480 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 1.49"
Accuracy estimation diagnostic: 409 matched stars entering correct_measured_positions(), 486 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 1.33"
Excluding outliers - 409 stars left (next iteration limit 444)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=409 robust_rms=5.836 arcsec worst_quadrant_rms=7.519 arcsec
SIP_REFIT: SIP order 3 trial: matched=409 robust_rms=0.588 arcsec worst_quadrant_rms=0.829 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=409 robust_rms_before=14.221 arcsec robust_rms_before_corrected=1.911 arcsec robust_rms_after=0.588 arcsec worst_quadrant_rms_before=3.902 worst_quadrant_rms_after=0.829
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Image size: 937.1'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:59.385 -26:02:09.42 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 785 stars ###
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/correct_sextractor_wcs_catalog_usingxy2sky307576.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 3, robust RMS 14.221 -> 0.588 arcsec)
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits N_match=409 sigma_overall_arcsec=0.569 sigma_q1_arcsec=0.840 sigma_q2_arcsec=0.446 sigma_q3_arcsec=0.791 sigma_q4_arcsec=0.451 n_q1=63 n_q2=123 n_q3=83 n_q4=140 worst_quadrant_to_overall_ratio=1.476
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
WCS_QUALITY_RETRY: --tweak-order 2 did NOT improve 1st new image (fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits): sigma 0.579->0.569, ratio 1.260->1.476; reverting to order 3
WCS_QUALITY_RETRY: 2nd new image (fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits) flagged: sigma=0.626 (ref avg 0.283), ratio=1.293 (ref avg 1.1795), threshold=2.0x. Retrying with --tweak-order 2.
Running with VAST_TWEAK_ORDER=2: util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
No image with WCS calibration found for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits .... Determining astrometry method...
Using the local copy of Astrometry.net software...
Choosing aperture...
Using the catalog image00004.cat SExtracted earlier from the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/lib/make_outxyls_for_astrometric_calibration found 734 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_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.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: "out308169.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out308169.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).
log-odds ratio 110.214 (7.33237e+47), 24 match, 0 conflict, 56 distractors, 52 index.
RA,Dec = (57.4833,-26.0387), pixel scale 5.9612 arcsec/pix.
Hit/miss: Hit/miss: -++++--++-+----++----+++--+-+----+------+-----+------+-+++------+------------+-+(best)--------------------
Field 1: solved with index index-4115.fits.
Field 1 solved: writing to file ./out308169.solved to indicate this.
Field: out308169.xyls
Field center: (RA,Dec) = (57.489482, -26.040910) deg.
Field center: (RA H:M:S, Dec D:M:S) = (03:49:57.476, -26:02:27.274).
Field size: 15.7279 x 10.5446 degrees
Field rotation angle: up is -0.27444 degrees E of N
Field parity: neg
Inserting WCS header... '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits' -> 'fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits'
WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
-rw-r--r-- 1 apache apache 117M Sep 1 05:44 fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
-rw-r--r-- 1 apache apache 12K Sep 1 05:44 out308169.wcs
Inserting WCS header (1st iteration local)... Opening FITS image file fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits for reading... done!
Creating new image file (wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits)... done!
done!
All done!
done
The WCS header appears to be added with no errors in /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits (fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits)
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: "out308169.xyls"...
Reading sort column "FLUX_APER"
Sorting sort column
mmapping input file
Copying table header.
Writing row 0
Done
Solving...
Reading file "./out308169.axy"...
Only searching for solutions within 15.6767 degrees of RA,Dec (57.4904,-26.0401)
log-odds ratio 59.9301 (1.06486e+26), 9 match, 0 conflict, 20 distractors, 29 index.
RA,Dec = (57.4853,-26.0462), pixel scale 5.96078 arcsec/pix.
Hit/miss: Hit/miss: --++--++++---+--+-----------+(best)-------------+---------------------------------+-----------------------
Field 1: solved with index index-4116.fits.
Field 1 solved: writing to file ./out308169.solved to indicate this.
Field: out308169.xyls
Field center: (RA,Dec) = (57.491483, -26.038529) deg.
Field center: (RA H:M:S, Dec D:M:S) = (03:49:57.956, -26:02:18.705).
Field size: 15.7176 x 10.5392 degrees
Field rotation angle: up is -0.263422 degrees E of N
Field parity: neg
WCS keywords and Astrometry.net provenance markers have been successfully stripped from all HDUs in the file.
-rw-r--r-- 1 apache apache 117M Sep 1 05:44 fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
-rw-r--r-- 1 apache apache 12K Sep 1 05:44 out308169.wcs
Inserting WCS header (2nd iteration local)... Opening FITS image file fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits for reading... done!
Creating new image file (wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits)... done!
done!
All done!
The WCS header appears to be added with no errors.
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
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits was not found.
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Generating wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat from image00004.cat
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits created.
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Image size: 939.2'x626.0' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.88"/pix along the Y axis
Image center: 03:49:58.175 -26:02:15.71 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 770 stars ###
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/correct_sextractor_wcs_catalog_usingxy2sky309476.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=132, bad_region=214, passed=770
Got 770 stars (including 446 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
util/solve_plate_with_UCAC5 got 770 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 939.2'
Seting catalog search parameters based on the expected field of view 939.2 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013044 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010436 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 427 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 423 matched stars entering correct_measured_positions(), 382 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 3.08"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 420 matched stars entering correct_measured_positions(), 498 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 3.15"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 425 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 425 matched stars entering correct_measured_positions(), 504 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 1.58"
Accuracy estimation diagnostic: 425 matched stars entering correct_measured_positions(), 506 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 1.37"
Excluding outliers - 425 stars left (next iteration limit 462)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=425 robust_rms=6.540 arcsec worst_quadrant_rms=8.541 arcsec
SIP_REFIT: SIP order 3 trial: matched=425 robust_rms=0.578 arcsec worst_quadrant_rms=0.774 arcsec
SIP_REFIT: selected SIP order 3
SIP_REFIT: order=3 matched=425 robust_rms_before=16.142 arcsec robust_rms_before_corrected=1.982 arcsec robust_rms_after=0.578 arcsec worst_quadrant_rms_before=3.454 worst_quadrant_rms_after=0.774
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Image size: 937.1'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:57.373 -26:02:30.96 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 770 stars ###
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/correct_sextractor_wcs_catalog_usingxy2sky309755.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 3, robust RMS 16.142 -> 0.578 arcsec)
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits N_match=425 sigma_overall_arcsec=0.621 sigma_q1_arcsec=0.701 sigma_q2_arcsec=0.566 sigma_q3_arcsec=0.787 sigma_q4_arcsec=0.555 n_q1=89 n_q2=125 n_q3=82 n_q4=129 worst_quadrant_to_overall_ratio=1.269
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
WCS_QUALITY_RETRY: --tweak-order 2 improved 2nd new image (fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits): sigma 0.626->0.621, ratio 1.293->1.269; keeping retry result
WCS_QUALITY_RETRY: updated local_wcs_cache/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits with order-2 result
WARNING: 1st new image has sigma_overall_arcsec=0.569 -- 2.01x the reference average (0.283); plate solution may be of low accuracy
WARNING: 2nd new image has sigma_overall_arcsec=0.621 -- 2.19x the reference average (0.283); plate solution may be of low accuracy
Astrometric residual vector field (catalog-matched stars):
plot_astrometric_residuals_xy.py: wrote wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076_astrometric_residuals.png (3426 matched stars from wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.25 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083_astrometric_residuals.png (3607 matched stars from wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.25 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510_astrometric_residuals.png (442 matched stars from wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.53 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511_astrometric_residuals.png (425 matched stars from wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.49 arcsec)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits'
Saving fully-calibrated image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits'
Preparing the HTML report for the field Eri-08-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
make_report_in_HTML.sh Phase 1 (network queries): 1s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
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Considering the candidate 01938_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 01938_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 3 | 2026 09 01.43997 | 2461284.93997 | 8.92 | 03:50:29.13 -24:57:22.8 | 4865 3850 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
**** FOUND 03:50:29.13 -24:57:23.1 in the exclusion list exclusion_list.txt ****
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Considering the candidate 01519_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 01519_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 3 | 2026 09 01.43997 | 2461284.93997 | 8.76 | 03:55:13.85 -24:01:57.8 | 5523 4402 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
**** FOUND 03:55:13.89 -24:01:57.6 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Eri-08-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL
./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
SExtractor catalog cache: saved Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.cat to cache
SExtractor catalog cache: saved Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Creating symlink local_wcs_cache/wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Creating symlink local_wcs_cache/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Creating symlink local_wcs_cache/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits exists and is non-empty
wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits exists and is non-empty
wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits exists and is non-empty
wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (1st reference image)
verification OK: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Image size: 941.7'x627.6' 15.7(deg)x10.5(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 03:50:26.444 -26:00:02.47 J2000 4789.000 3195.000
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits (1st new image)
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Image size: 937.2'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:59.353 -26:02:09.19 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:50:26.444 -26:00:02.47
Second-epoch image center 03:49:59.353 -26:02:09.19
Angular distance between the image centers 0.1074 deg.
Soft limit: 0.50 deg. Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits (2nd new image)
verification OK: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Image size: 937.1'x624.5' 15.6(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.87"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 03:49:57.373 -26:02:30.96 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:50:26.444 -26:00:02.47
Second-epoch image center 03:49:57.373 -26:02:30.96
Angular distance between the image centers 0.1164 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center 03:49:59.353 -26:02:09.19
Second-epoch second image center 03:49:57.373 -26:02:30.96
Angular distance between the image centers 0.00957 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits &> /tmp/tmp.cbtbNevK2t
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits &> /tmp/tmp.2TuMSXTz8m
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits &> /tmp/tmp.D4hid9isi7
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits &> /tmp/tmp.7gFhOJIdFV
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Calibrating the magnitude scale
Found non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
Found non-empty wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits and wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
The reference image (wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits) and catalog (wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat) found
'wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat' -> 'wcsmag.cat'
Read 29187 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.6796 to 66.9268 deg, Dec -31.3495 to -20.2528 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.6796 to 66.9268 deg, Dec -31.3495 to -20.2528 deg
Loaded 6126 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4577 out of 4863 total matches.
Matched with Tycho-2 4863 out of 29187 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.625300
a=0.000000 b=1.000000 c=22.625300
From vast_summary.log: estimated ref. image limiting mag.: -7.75
Updating vast_summary.log: Estimated ref. image limiting mag.: 14.88
Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed! =)
Estimated ref. image limiting mag.: 14.88
Lightcurve magnitude calibration plot:
Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 29187 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.6796 to 66.9268 deg, Dec -31.3495 to -20.2528 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.6796 to 66.9268 deg, Dec -31.3495 to -20.2528 deg
Loaded 6126 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4577 out of 4863 total matches.
Matched with Tycho-2 4863 out of 29187 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Forced-photometry filter: calibrated wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits -> calib.txt_param_ref_wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (aperture=4.6)
Read 29963 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 48.6817 to 66.9265 deg, Dec -31.3576 to -20.2725 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 48.6817 to 66.9265 deg, Dec -31.3576 to -20.2725 deg
Loaded 6122 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 4596 out of 4868 total matches.
Matched with Tycho-2 4868 out of 29963 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Forced-photometry filter: calibrated wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits -> calib.txt_param_ref_wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits (aperture=4.6)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 4 candidate transients before the final filtering. (Hard limit: 10000)
Median FWHM seeing for isolated stars:
1.9 pix Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
2.0 pix Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
2.2 pix fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
2.2 pix fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Limiting magnitude estimates:
14.9 mag. Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
14.9 mag. Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
13.2 mag. fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
13.2 mag. fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
All-image limiting magnitude estimate: 13.2 (SNR ) 12.9 (80% of stars) with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of following Karpov (2025, Acta Polytechnica, 65, 50).
This value should be representative of the faintest stars clearly visible in the image.
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.cbtbNevK2t (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits' -> 'wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS_IMAGE_NAME=wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS-calibrated image found: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
Checking if the catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits alredy exist and is non-empty...
Catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits
WCS catalog name: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=9, blended=1074, bad_region=5065, passed=29178
Got 29178 stars (including 23233 good ones) from the SExtractor catalog wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat
util/solve_plate_with_UCAC5 got 29178 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.7'
Seting catalog search parameters based on the expected field of view 941.7 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013079 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010463 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 4889 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 25217 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.3 to -20.3)
Done reading UCAC5 zone files...
Matched 4890 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 25217 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.27"
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 25217 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28"
Excluding outliers - 4889 stars left (next iteration limit 5377)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits N_match=4889 sigma_overall_arcsec=0.296 sigma_q1_arcsec=0.345 sigma_q2_arcsec=0.286 sigma_q3_arcsec=0.264 sigma_q4_arcsec=0.270 n_q1=1622 n_q2=828 n_q3=1626 n_q4=813 worst_quadrant_to_overall_ratio=1.165
The image catalog is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits -region wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Eri-08-Q2b1x1_2026-01-17_21-08-01_20.00sec_-14.90C_LIGHT_0076.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.2TuMSXTz8m (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits' -> 'wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS_IMAGE_NAME=wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS-calibrated image found: wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
Checking if the catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits alredy exist and is non-empty...
Catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat corresponding to the image wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits
WCS catalog name: wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=1000, bad_region=5175, passed=29960
Got 29960 stars (including 23939 good ones) from the SExtractor catalog wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat
util/solve_plate_with_UCAC5 got 29960 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.4 to -20.3)
Done reading UCAC5 zone files...
Matched 4891 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 4890 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 25930 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 350 (Dec -31.4 to -20.3)
Done reading UCAC5 zone files...
Matched 4891 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 25930 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.25"
Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 25930 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.26"
Excluding outliers - 4890 stars left (next iteration limit 5379)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits N_match=4890 sigma_overall_arcsec=0.277 sigma_q1_arcsec=0.328 sigma_q2_arcsec=0.260 sigma_q3_arcsec=0.261 sigma_q4_arcsec=0.244 n_q1=1633 n_q2=835 n_q3=1608 n_q4=814 worst_quadrant_to_overall_ratio=1.185
The image catalog is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits -region wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Eri-08-Q2b1x1_2026-01-20_20-44-31_20.00sec_-15.00C_LIGHT_0083.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.D4hid9isi7 (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS-calibrated image found: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=61, blended=733, bad_region=1941, passed=8938
Got 8938 stars (including 6416 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat
util/solve_plate_with_UCAC5 got 8938 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 349 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 4425 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4405 matched stars entering correct_measured_positions(), 4405 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4405 matched stars entering correct_measured_positions(), 7529 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.75"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 349 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 4425 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4405 matched stars entering correct_measured_positions(), 7530 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.77"
Accuracy estimation diagnostic: 4405 matched stars entering correct_measured_positions(), 7530 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.79"
Excluding outliers - 4405 stars left (next iteration limit 4845)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4405 robust_rms=6.570 arcsec worst_quadrant_rms=9.426 arcsec
SIP_REFIT: SIP order 3 trial: matched=4405 robust_rms=0.840 arcsec worst_quadrant_rms=1.063 arcsec
SIP_REFIT: SIP order 5 trial: matched=4405 robust_rms=0.779 arcsec worst_quadrant_rms=0.957 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4405 robust_rms_before=1.021 arcsec robust_rms_before_corrected=0.777 arcsec robust_rms_after=0.779 arcsec worst_quadrant_rms_before=0.990 worst_quadrant_rms_after=0.957
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.990 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits N_match=4405 sigma_overall_arcsec=0.728 sigma_q1_arcsec=0.967 sigma_q2_arcsec=0.713 sigma_q3_arcsec=0.802 sigma_q4_arcsec=0.581 n_q1=1133 n_q2=1183 n_q3=693 n_q4=1396 worst_quadrant_to_overall_ratio=1.329
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.7gFhOJIdFV (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS_IMAGE_NAME=wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS-calibrated image found: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Checking if the catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits alredy exist and is non-empty...
Catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat corresponding to the image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
WCS catalog name: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=79, blended=747, bad_region=1984, passed=9084
Got 9084 stars (including 6522 good ones) from the SExtractor catalog wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat
util/solve_plate_with_UCAC5 got 9084 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.1'
Seting catalog search parameters based on the expected field of view 937.1 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013015 (46.9 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010412 (37.5 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 4455 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4435 matched stars entering correct_measured_positions(), 4431 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.69"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4435 matched stars entering correct_measured_positions(), 7621 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.71"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 293 to 348 (Dec -31.3 to -20.6)
Done reading UCAC5 zone files...
Matched 4455 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4434 matched stars entering correct_measured_positions(), 7622 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.73"
Accuracy estimation diagnostic: 4434 matched stars entering correct_measured_positions(), 7622 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.74"
Excluding outliers - 4434 stars left (next iteration limit 4878)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4434 robust_rms=6.688 arcsec worst_quadrant_rms=9.016 arcsec
SIP_REFIT: SIP order 3 trial: matched=4434 robust_rms=0.822 arcsec worst_quadrant_rms=1.065 arcsec
SIP_REFIT: SIP order 5 trial: matched=4434 robust_rms=0.771 arcsec worst_quadrant_rms=0.971 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4434 robust_rms_before=0.830 arcsec robust_rms_before_corrected=0.765 arcsec robust_rms_after=0.771 arcsec worst_quadrant_rms_before=0.971 worst_quadrant_rms_after=0.971
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-quadrant baseline 0.971 arcsec) - keeping the original
WCS_QUALITY_DIAG: file=fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits N_match=4434 sigma_overall_arcsec=0.726 sigma_q1_arcsec=0.907 sigma_q2_arcsec=0.699 sigma_q3_arcsec=0.846 sigma_q4_arcsec=0.575 n_q1=1148 n_q2=1159 n_q3=792 n_q4=1335 worst_quadrant_to_overall_ratio=1.248
The image catalog is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits -region wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-32-41_20.00sec_-0.00C_LIGHT_0510.fits
Saving fully-calibrated image wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/wcs_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits
Preparing the HTML report for the field Eri-08-Q2b1x1 with default.sex.telephoto_lens_vSTL
make_report_in_HTML.sh Phase 1 (network queries): 0s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
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Considering the candidate 32541_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 32541_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 2 | 2026 09 01.43997 | 2461284.93997 | 11.65 | 03:53:49.66 -24:35:19.8 | 5325 4068 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
**** FOUND 03:53:49.67 -24:35:19.7 in the exclusion list exclusion_list_bsc.txt ****
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Considering the candidate 33250_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 33250_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 2 | 2026 09 01.43997 | 2461284.93997 | 12.37 | 03:43:47.17 -30:18:49.3 | 3968 0607 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
Rejecting candidate due to large distance (28.9") between the two second-epoch detections
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Considering the candidate 12109_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 12109_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 3 | 2026 09 01.43997 | 2461284.93997 | 8.93 | 03:50:29.12 -24:57:23.5 | 4865 3850 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
**** FOUND 03:50:29.11 -24:57:23.6 in the exclusion list exclusion_list.txt ****
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Considering the candidate 09378_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511
The candidate 09378_fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511 did not pass the final checks
| Discovery image 3 | 2026 09 01.43997 | 2461284.93997 | 8.87 | 03:55:13.87 -24:01:58.4 | 5523 4402 | /data_ssd/NMW-TexasTech/workdir//img_2026-09-01_CI_Eri-08-Q2b1x1_053949_TTUQ2b1x1_237468_Iw8DLblS/fd_Eri-08-Q2b1x1_2026-09-01_05-33-23_20.00sec_0.00C_LIGHT_0511.fits |
**** FOUND 03:55:13.89 -24:01:58.2 in the exclusion list exclusion_list.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 0s
Prepared the HTML report for the field Eri-08-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed Eri-08-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461284.93948185 -observatory V36
11:00:17.49 +08:02:56.1 Mercury (-1.4mag)
13:20:27.17 -12:11:33.6 Venus (-4.6mag)
06:58:01.03 +23:18:34.1 Mars (1.2mag)
09:04:09.91 +17:17:58.4 Jupiter (-1.8mag)
00:53:00.41 +02:47:48.8 Saturn (0.5mag)
04:13:33.21 +21:01:38.7 Uranus (5.7mag)
00:14:17.13 +00:00:25.9 Neptune (7.7mag)
20:26:01.13 -23:38:10.0 Pluto (14.5mag)
01:48:36.34 +15:54:54.3 Moon (-11.4mag)
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Positions of selected moons from JPL HORIZONS for JD(UT)2461284.93948185:
09:04:15.78 +17:17:31.3 Io (6.2mag)
09:04:07.48 +17:18:10.8 Europa (6.3mag)
09:04:02.01 +17:18:35.9 Ganymede (5.6mag)
09:04:18.21 +17:17:17.7 Callisto (6.9mag)
09:01:46.36 +17:31:39.9 Himalia (15.7mag)
09:04:09.75 +17:18:00.0 Thebe (16.6mag)
09:01:26.00 +17:26:06.3 Elara (17.7mag)
09:08:10.57 +16:47:26.4 Pasiphae (17.9mag)
09:05:40.24 +17:34:10.0 Carme (19.0mag)
00:53:11.23 +02:47:21.6 Titan (8.3mag)
00:52:59.21 +02:47:54.3 Rhea (9.6mag)
00:53:28.78 +02:50:30.7 Iapetus (11.0mag)
00:52:52.79 +02:47:13.5 Hyperion (14.4mag)
00:51:53.50 +02:38:07.5 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Sep 1 05:42 moons.txt
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Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461284.93948185:
21:19:03.90 -04:58:20.4 JWST
16:41:28.66 +43:59:16.9 Chandra
12:27:07.27 -62:03:17.0 XMM-Newton
-rw-r--r-- 1 apache apache 96 Sep 1 05:42 spacecraft.txt
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Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461284.93948185 -observatory V36
03:36:32.85 +19:02:48.4 17.4mag P/1996 R2 (Lagerkvist)
18:01:12.26 -34:18:56.8 14.3mag P/2010 H2 (Vales)
07:14:54.27 -69:59:13.9 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:14:55.08 +33:33:05.2 17.7mag C/2017 K2 (PANSTARRS)
04:41:53.85 +44:31:51.4 15.5mag P/2021 N1 (ZTF)
04:41:53.85 +44:31:51.4 15.5mag P/2021 N1 (ZTF)
22:18:14.94 +29:21:10.2 17.4mag C/2022 E2 (ATLAS)
07:05:33.79 +26:05:25.2 16.8mag C/2022 N2 (PANSTARRS)
10:44:04.93 +27:26:41.8 17.0mag C/2022 QE78 (ATLAS)
09:44:54.71 +05:15:46.3 18.0mag C/2022 R6 (PANSTARRS)
20:43:33.80 +62:15:02.3 18.0mag C/2023 H5 (Lemmon)
15:31:28.20 -15:07:58.5 14.8mag C/2023 R1 (PANSTARRS)
08:33:05.46 +32:32:51.5 15.7mag C/2024 E1 (Wierzchos)
15:06:00.47 +15:23:30.1 17.9mag C/2024 G6 (ATLAS)
18:37:45.54 +43:21:42.0 13.7mag C/2024 J3 (ATLAS)
20:34:25.55 +49:33:03.3 17.5mag C/2024 R4 (PANSTARRS)
05:32:17.25 -12:57:31.4 15.2mag C/2024 T5 (ATLAS)
07:09:23.21 +19:41:47.8 17.8mag C/2025 J1 (Borisov)
11:08:41.31 +19:13:07.6 16.9mag C/2025 V2 (Rankin)
13:14:55.70 +00:34:57.1 16.8mag C/2025 Y1 (ATLAS)
16:27:32.28 +74:56:18.0 16.2mag C/2026 A2 (Bok)
03:08:09.29 +46:16:30.1 17.4mag C/2026 B2 (Sun-Gao)
12:07:53.62 +10:47:56.0 17.5mag A/2026 E1
22:21:06.99 -34:24:59.2 13.2mag 10P/Tempel
11:44:16.74 -05:02:06.2 16.3mag 29P/Schwassmann-Wachmann
11:56:46.29 -03:13:46.6 17.5mag 63P/Wild
00:47:39.79 -06:41:52.4 15.4mag 65P/Gunn
06:27:44.54 +19:40:07.6 17.1mag 78P/Gehrels
03:16:18.75 +14:53:18.6 16.7mag 88P/Howell
05:19:04.74 +26:22:10.4 17.6mag 112P/Urata-Niijima
07:14:07.52 +26:14:02.6 15.9mag 114P/Wiseman-Skiff
10:14:43.32 +22:05:22.6 14.9mag 123P/West-Hartley
12:33:51.53 -19:16:15.7 17.4mag 124P/Mrkos
06:10:07.10 +20:48:24.2 15.9mag 128P/Shoemaker-Holt
23:55:17.59 +02:40:33.8 17.4mag 139P/Vaisala-Oterma
02:50:44.89 -18:07:41.7 15.5mag 161P/Hartley-IRAS
09:54:09.40 +18:11:21.0 11.9mag 169P/NEAT
03:18:48.05 +08:54:12.0 14.4mag 220P/McNaught
04:31:57.32 +34:25:00.0 15.2mag 260P/McNaught
08:15:53.53 +36:16:57.7 17.3mag 295P/LINEAR
15:21:36.91 +00:24:42.5 17.9mag 391P/Kowalski
09:22:40.81 +17:09:03.5 17.9mag 450P/LONEOS
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List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
04:20:07.58 -42:26:59.90 AT2026zjy 2026-08-23.03 15.91
03:08:18.02 +11:54:46.50 SN2026ymb 2026-08-23.4 16.44
20:22:32.48 -50:45:14.30 SN2026yid 2026-08-22.82 15.13
04:24:28.39 -56:20:21.60 ASASSN-26ey 2026-08-20.02 15.55
16:46:37.81 -63:14:59.80 ASASSN-26ex 2026-08-18.78 3.63
21:28:47.85 +20:31:03.60 SN 2026sfn 2026-08-16.3 17.09
23:01:28.67 -61:00:39.00 SN 2026yib 2026-08-14.85 17.36
00:22:23.20 -32:16:02.70 SN 2026whu 2026-08-14.96 16.5
19:56:21.71 -37:24:19.90 ASASSN-26ew 2026-08-13.82 14.73
13:53:14.21 +00:26:52.00 SN 2026wkv 2026-08-10.12 15.83
05:21:07.61 +23:38:20.10 TCP J05210763+2338194 2026-08-10.59 9.34
01:28:20.49 +40:13:27.10 SN2026wpd 2026-08-9.34 16.37
23:47:50.87 +49:28:49.80 SN2026wjs 2026-08-9.35 17.12
16:03:20.92 +17:43:23.70 AT2026xau 2026-08-9.3 17.71
01:10:22.05 -09:34:08.50 SN2026weo 2026-08-7.46 15.76
00:56:54.35 -35:55:29.40 AT2026wdy 2026-08-5.05 16.08
22:08:07.63 -53:03:58.90 AT2026wek 2026-08-3.82 17.17
14:51:51.34 +66:13:24.60 ASASSN-26ev 2026-08-2.15 14.02
12:06:50.79 -36:16:06.20 SN2026wgm 2026-08-1.73 15.61
16:56:36.90 -59:29:26.00 ASASSN-26er 2026-07-25.82 15.09
01:21:27.83 -10:37:05.00 SN2026vbh 2026-07-25.61 15.97
21:17:31.59 +22:25:50.90 ASASSN-26eq 2026-07-24.37 15.13
18:53:36.89 +16:56:43.60 ASASSN-26ep 2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50 ASASSN-26et 2026-07-22.76 13.98
13:00:47.82 +15:42:17.60 SN2026uwk 2026-07-21.75 16.38
18:52:31.11 -32:28:00.90 ASASSN-26en 2026-07-21.77 14.63
14:42:58.01 -62:32:59.10 ASASSN-26es 2026-07-20.79 15.36
20:12:45.57 -32:53:13.00 ASASSN-26em 2026-07-20.94 16.83
18:54:24.33 -46:11:51.70 ASASSN-26eu 2026-07-20.93 14.86
03:18:56.99 -80:55:10.40 AT2026ugi 2026-07-20.03 17.12
18:43:58.40 +24:22:41.80 ASASSN-26eo 2026-07-19.36 16.16
04:50:01.03 -02:22:33.80 ASASSN-26ej 2026-07-16.17 17.02
18:34:55.28 -31:41:00.90 ASASSN-26ek 2026-07-16.24 15.73
17:07:43.61 -44:21:53.50 ASASSN-26el 2026-07-15.86 16.01
14:45:08.35 +24:13:12.30 ASASSN-26ei 2026-07-16.17 16.46
10:00:46.44 -32:36:31.10 AT 2023mhb 2026-07-14.73 16.67
14:39:37.45 -11:22:36.20 AT 2026unl 2026-07-15.27 17.11
10:49:42.57 -11:25:55.80 ASASSN-26eh 2026-07-14.72 16.58
19:33:53.06 -07:15:00.80 ASASSN-22le 2026-07-14.15 15.5
02:45:40.52 -27:55:30.30 ASASSN-26ef 2026-07-12.35 15.86
23:26:43.80 +04:42:39.70 SN 2026qtn 2026-07-12.22 16.47
02:19:17.26 +28:57:15.40 ASASSN-26ec 2026-07-11.53 2.78
18:31:15.56 -05:34:31.50 AT2026stb 2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00 AT2026pjf 2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70 SN2026pir 2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30 ASASSN-26ed 2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10 AT2026qil 2026-07-9.3 16.15
20:21:30.50 -32:03:40.10 ASASSN-26ee 2026-07-7.22 15.53
19:37:44.09 -05:35:42.80 AT2026ryu 2026-07-7.17 14.88
11:06:55.46 -04:07:04.50 AT2026qqg 2026-07-5.01 16.82
19:07:23.69 -74:13:37.30 AT2026qly 2026-07-5.02 17.31
17:57:43.80 +27:18:40.10 ASASSN-26ea 2026-07-5.07 16.67
19:59:01.43 -32:07:34.30 ASASSN-26eb 2026-07-4.97 15.52
18:46:50.35 -57:44:13.20 SN 2026qqp 2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90 ASASSN-26dz 2026-07-5.14 15.91
19:14:31.37 +12:03:52.90 AT 2026rdg 2026-07-3.43 11.81
04:05:50.09 -70:24:34.40 AT 2026qpr 2026-06-30.4 15.96
13:45:37.49 -05:59:35.80 SN 2026pub 2026-06-30.09 16.01
16:41:15.63 +39:17:14.70 SN 2026pel 2026-06-26.38 16.07
10:14:40.19 -35:38:21.30 ASASSN-26dy 2026-06-25.99 15.63
14:47:21.56 -40:15:51.30 ASASSN-26dv 2026-06-23.03 14.62
13:38:49.79 -77:21:06.70 ASASSN-26dw 2026-06-23.04 16.09
00:59:27.90 +33:08:13.20 SN 2026mke 2026-06-22.39 17.13
11:10:44.73 -30:20:45.50 SN 2026nmv 2026-06-22.06 16.56
21:36:15.68 -21:19:12.50 AT2026oxh 2026-06-22.15 17.14
17:31:38.38 -56:05:51.90 ASASSN-26dx 2026-06-22.02 14.72
14:10:13.44 -38:46:46.10 AT2026pvk 2026-06-22.06 16.53
20:56:47.23 -18:31:05.20 AT2026plb 2026-06-21.31 16.4
15:44:29.68 +21:00:59.30 SN2026ore 2026-06-21.29 17.57
23:50:05.98 -14:01:41.30 AT2026oxl 2026-06-21.52 17.64
17:36:54.73 -18:10:04.20 AT2026ouj 2026-06-20.92 15.15
00:34:04.08 -30:22:09.20 AT2026ntk 2026-06-18.09 17.34
20:49:13.39 +25:17:59.20 ASASSN-26du 2026-06-15.39 15.93
23:09:30.84 +32:40:42.00 SN2026oxc 2026-06-14.35 16.83
02:02:26.78 +32:04:21.30 AT2026ovz 2026-06-14.59 15.39
21:26:28.11 -72:31:19.50 AT2026nwc 2026-06-11 17.05
17:54:57.33 +26:32:34.20 SN 2026odc 2026-06-11.23 17.62
13:55:59.94 +17:30:37.20 SN 2026nyq 2026-06-11.1 16.24
00:50:45.14 -71:38:36.90 ASASSN-26dt 2026-06-11.13 10.22
14:42:19.73 +19:11:35.60 SN2026nyp 2026-06-10.3 16.32
12:23:23.92 +12:56:43.50 SN2026mta 2026-06-8.29 16.69
12:30:18.51 +47:12:33.20 SN2026oao 2026-06-9.32 17.02
10:51:05.21 -42:28:56.60 AT2026nvf 2026-06-8.12 16.75
13:50:22.48 -07:35:00.00 SN2026npn 2026-06-8.02 17.58
00:56:07.17 +43:01:43.20 ASASSN-26dq 2026-06-7.43 13.58
01:07:49.46 +41:59:43.70 SN 2026obc 2026-06-7.43 15.15
21:11:25.22 +14:14:31.90 ASASSN-26dr 2026-06-7.24 16.24
06:21:27.06 -65:16:42.00 ASASSN-26ds 2026-06-2.97 15.02
20:07:38.15 -21:07:05.40 SN2026mho 2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10 AT2026min 2026-05-24.21 16.63
11:44:32.95 -68:48:30.00 ASASSN-26no 2026-05-24 8.41
19:00:42.82 -48:31:01.60 ASASSN-26dp 2026-05-22.31 -3.28
14:23:56.72 -58:37:47.60 ASASSN-26dn 2026-05-20.01 14.64
11:24:54.06 +47:57:01.60 AT2026nma 2026-05-20.29 15.46
21:27:08.58 +33:24:38.10 AT2026lli 2026-05-19.34 15.86
00:31:01.41 -13:38:51.70 AT2026nad 2026-05-19.39 15.34
15:16:06.61 -79:16:32.40 ASASSN-26dm 2026-05-19.03 14.44
11:24:25.21 -59:23:19.10 ASASSN-26dl 2026-05-18.02 13.55
13:45:51.52 -53:16:01.00 ASASSN-26dk 2026-05-18.16 12.96
02:05:49.69 -30:29:09.60 ASASSN-26dh 2026-05-18.43 15.37
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Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
02:19:17.36 +28:57:15.8 TCP J02191736+2857158 2026-07-12.3549 12.5mag
00:44:56.43 +41:57:41.6 PNV J00445643+4157416 2026-07-13.8026 17.98Cmag
00:42:55.36 +41:17:27.0 PNV J00425536+4117270 2026-07-20.1813 17.7mag
20:35:43.64 +61:31:32.9 TCP J20354364+6131329 2026-07-20.5443 14.4mag
21:17:31.48 +22:25:51.0 TCP J21173148+2225510 2026-07-23.5577 14.8mag
00:41:24.04 +40:49:02.8 PNV J00412404+4049028 2026-07-25.0157 18.7mag
00:43:04.26 +41:02:28.6 PNV J00430426+4102286 2026-07-26.1512 20mag
14:51:51.40 +66:13:24.0 TCP J14515140+6613240 2026-07-29.2561 13.5mag
00:43:06.15 +41:22:08.2 PNV J00430615+4122082 2026-07-30.0085 19.4mag
00:41:33.23 +41:10:12.2 PNV J00413323+4110122 2026-08-02.8913 17.1mag
05:21:07.63 +23:38:19.4 TCP J05210763+2338194 2026-08-06.4109 11.2mag
22:57:17.96 +47:07:41.8 TCP J22571796+4707418 2026-08-09.3289 14.3mag
09:13:38.17 +76:28:18.1 PSN J09133817+7628181 2026-08-09.8037 15.4mag
00:43:17.29 +41:26:48.6 PNV J00431729+4126486 2026-08-14.0920 16.8mag
00:42:52.82 +41:10:58.6 PNV J00425282+4110586 2026-08-17.7723 19.9mag
00:42:52.83 +41:10:59.6 PNV J00425283+4110596 2026-08-18.6119 19.3mag
18:25:12.76 -22:25:29.3 TCP J18251276-2225293 2026-08-19.1062 9.4mag
18:03:09.04 +12:18:14.0 TCP J18030904+1218140 2026-08-19.5199 14.9mag
19:45:06.48 +18:22:42.2 PNV J19450648+1822422 2026-08-25.1278 9.0mag
00:42:54.65 +41:22:59.3 PNV J00425465+4122593 2026-08-25.4712 18.9mag
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
15:30:16.620 +37:33:54.04 SN 2026xzu 2026-08-07.31 18.869
22:06:45.694 +25:54:26.94 SN 2026xzt 2026-08-04.32 19.8154
14:46:07.623 +06:25:26.60 AT 2026xzs 2026-08-06.88 19.072
00:41:57.435 +01:37:29.15 AT 2026xzr 2026-08-06.19 19.25
00:13:38.500 +03:45:21.38 AT 2026xzq 2026-08-06.71 19.82
15:44:05.663 +62:31:02.12 AT 2026xzp 2026-08-07.30 19.137
15:23:07.561 +26:55:05.00 SN 2026xzo 2026-08-07.29 19.228
13:27:56.786 -31:29:17.86 AT 2026xzn 2026-08-06.74 18.953
23:05:36.390 -03:36:56.91 AT 2026xzm 2026-08-07.09 19.428
15:24:13.077 +54:48:58.02 AT 2026xzl 2026-08-04.29 19.12
05:43:45.299 -12:31:19.63 AT 2026xzk 2026-01-11.34 20.48
08:43:05.547 +25:32:19.55 AT 2026xzj 2026-01-11.58 20.89
16:22:31.145 +09:33:33.30 AT 2026xzi 2026-08-05.29 20.61
17:12:21.291 +21:02:54.44 AT 2026xzh 2026-08-05.34 20.95
16:19:36.299 +11:57:03.80 AT 2026xzg 2026-08-05.29 20.16
16:33:56.913 +13:58:08.26 AT 2026xzf 2026-08-05.29 21.06
17:03:57.056 +04:27:02.47 AT 2026xze 2026-08-05.28 20.78
17:51:27.713 +19:57:36.91 AT 2026xzd 2026-08-05.34 20.73
16:58:34.750 +12:37:35.05 AT 2026xzc 2026-08-05.29 21.81
16:57:45.366 -04:44:07.55 AT 2026xzb 2026-08-06.80 18.89
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