NMW transient search results

This analysis is done by the script util/transients/transient_factory_test31.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1

The list of candidates will appear below. Please manually reload the page every few minutes untill the 'Processing complete' message appears.

Processing fields CrB-02-Q2b1x1

Date (UTC) JD(UTC) mag. R.A. & Dec.(J2000) X & Y (pix) Image
Reference image   2026 05 11.34423    2461171.84423    13.78    16:30:15.54 +27:00:51.8   0685 4868   /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits
Discovery image 1   2026 05 11.34483    2461171.84483    13.80    16:30:15.52 +27:00:52.5   0685 4877   /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits
Discovery image 2   2026 10 22.10881    2461335.60881    13.07    16:30:15.50 +27:00:52.7   0711 4942   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits
Discovery image 3   2026 10 22.10963    2461335.60963    12.69    16:30:15.44 +27:00:51.7   0704 4947   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits
Mean magnitude and position on the discovery images: 
                   2026 10 22.1092  2461335.6092  12.88  16:30:15.47 +27:00:52.2
 46.05596  41.70015 galactic  Her  Second-epoch detections are separated by 1.3" and 8.4 pix   
The object was found in VSX
 1"  CSS_J163015.5+270052          
Type: EA
#   Max.           Min./Amp.       JD0           Period
    13.010   CV      Y     0.540   CV        2458224.93240          1.431240000000                                
The object was not found in astcheck.
Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits at 16:30:15.47 +27:00:52.2:  13.79 +/- 0.05  detection
Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits at 16:30:15.47 +27:00:52.2:  13.83 +/- 0.05  detection
Forced photometry reference-image weighted average:  13.81 +/- 0.04
Check this position in TNS.                         Manually check the ASAS-SN list of transients!
Search this object in SIMBAD.
Search this object in VizieR catalogs.  WISE atlas  Aladin Lite  SNAD ZTF viewer
Online MPChecker may fail to identify bright comets! Please manually check the Seiichi Yoshida's and Gideon van Buitenen's pages.

Full images (clouds? trees? ice on chip?)   CrB-02-Q2b1x1 field processing log
Platesolve and blink FITS with VaST+ds9 VaST command line Re-run transient search script Stub MPC report (for online MPChecker) Stub TOCP report Stub variable star reports

Processing complete!

Total number of candidates identified: 1

FITS images used in this processing run:

Field CrB-02-Q2b1x1 reference image: CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits
Field CrB-02-Q2b1x1 reference image: CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits
Field CrB-02-Q2b1x1 second-epoch image: CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits
Field CrB-02-Q2b1x1 second-epoch image: CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits

Processing log:

Filtering log:

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
CrB-02-Q2b1x1
#######################################
########### Starting CrB-02-Q2b1x1 ###########
Processing CrB-02-Q2b1x1
server tau has sufficient free disk space available: 591469 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 591469 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits
Small preview (one of the new images): 
Large previews of the second-epoch (new) images:
MAKE_PNG_PLOTS=yes
renamed 'CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.png' -> 'transient_report/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits_preview.png'
CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits

renamed 'CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.png' -> 'transient_report/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits_preview.png'
CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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= 287.1787 INFO: REFERENCE_EPOCH__FIRST_IMAGE_SD= 460.1436 INFO: SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 3797.9505 INFO: SECOND_EPOCH__FIRST_IMAGE_SD= 1131.5657 INFO: SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 3914.7064 INFO: SECOND_EPOCH__SECOND_IMAGE_SD= 1179.9177 ---------------------------------------------- INFO: ref_to_second_epoch_img_mean_ratio= 13.225 INFO: SECOND_EPOCH__SD_ratio= 0.041 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 = 17.7700004577637 / [degC] Focuser temperature AMBTEMP = 18.2 / [degC] Ambient air temperature Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Header: 74 keys total, 33 keys left Record 0: "" status=0 Record 1: "SIMPLE = T / C# FITS" status=0 Record 2: "BITPIX = 16" status=0 Record 3: "NAXIS = 2 / Dimensionality" status=0 Record 4: "NAXIS1 = 9576" status=0 Record 5: "NAXIS2 = 6388" status=0 Record 6: "BZERO = 32768" status=0 Record 7: "EXTEND = T / Extensions are permitted" status=0 Record 8: "IMAGETYP= 'LIGHT' / Type of exposure" status=0 Record 9: "EXPOSURE= 20.0 / [s] Exposure duration" status=0 Record 10: "EXPTIME = 20.0 / [s] Exposure duration" status=0 Record 11: "DATE-LOC= '2026-10-21T21:36:31.3413742' / Time of observation (local)" status=0 Record 12: "DATE-OBS= '2026-10-22T02:36:31.3413742' / Time of observation (UTC)" status=0 Record 13: "MJD-OBS = 61335.1086960766 / Modified Julian Date of observation" status=0 Record 14: "DATE-AVG= '2026-10-22T02:36:41.2443728' / Averaged midpoint time (UTC)" status=0 Record 15: "MJD-AVG = 61335.1088106944 / 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 = 239.996828682547 / [deg] RA of telescope" status=0 Record 32: "DEC = 29.9998165148823 / [deg] Declination of telescope" status=0 Record 33: "CENTALT = 17.9425 / [deg] Altitude of telescope" status=0 Record 34: "CENTAZ = 294.476111111111 / [deg] Azimuth of telescope" status=0 Record 35: "AIRMASS = 3.21560081498255 / Airmass at frame center (Gueymard 1993)" status=0 Record 36: "PIERSIDE= 'East' / Telescope pointing state" status=0 Record 37: "SITEELEV= 1009.5 / [m] Observation site elevation" status=0 Record 38: "SITELAT = 33.7482925 / [deg] Observation site latitude" status=0 Record 39: "SITELONG= -101.958319 / [deg] Observation site longitude" status=0 Record 40: "OBSERVER= 'Sokolovsky' / Observer name" status=0 Record 41: "OBSERVAT= 'TTU Skyview' / Observatory name" status=0 Record 42: "SITENAME= '' / Observatory site name" status=0 Record 43: "FWHEEL = 'Simulator' / Filter Wheel name" status=0 Record 44: "FILTER = 'CV' / Active filter name" status=0 Record 45: "OBJECT = 'CrB-02' / Name of the object of interest" status=0 Record 46: "OBJCTRA = '16 00 00' / [H M S] RA of imaged object" status=0 Record 47: "OBJCTDEC= '+30 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 = 20674 / [step] Focuser position" status=0 Record 51: "FOCUSPOS= 20674 / [step] Focuser position" status=0 Record 52: "FOCUSSZ = 0.0 / [um] Focuser step size" status=0 Record 53: "FOCTEMP = 17.7700004577637 / [degC] Focuser temperature" status=0 Record 54: "FOCUSTEM= 17.7700004577637 / [degC] Focuser temperature" status=0 Record 55: "DEWPOINT= 13.7 / [degC] Dew point" status=0 Record 56: "HUMIDITY= 75.0 / [percent] Relative humidity" status=0 Record 57: "PRESSURE= 906.2 / [hPa] Air pressure" status=0 Record 58: "AMBTEMP = 18.2 / [degC] Ambient air temperature" status=0 Record 59: "WINDDIR = 324.0 / [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 = 6.100488 / [kph] Wind speed" status=0 Record 62: "ROWORDER= 'TOP-DOWN' / FITS Image Orientation" status=0 Record 63: "EQUINOX = 2000.0 / Equinox of celestial coordinate system" status=0 Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0 Record 65: "QHY_EXP = 20.000096 / [s] Actual exposure time" status=0 Record 66: "QHY_PP = 13888.0 / [ps] pixelPeriod" status=0 Record 67: "QHY_LP = 85000.0 / [ns] linePeriod" status=0 Record 68: "GPS_LP = 85000.0 / [ns] linePeriod" status=0 Record 69: "QHY_FP = 20000160.0 / [us] framePeriod" status=0 Record 70: "QHY_CPL = 6120.0 / clocksPerLine" status=0 Record 71: "QHY_LPF = 235295.0 / linesPerFrame" status=0 Record 72: "QHY_AET = 20000096.0 / [us] actualExposureTime" status=0 Record 73: "QHY_LEM = T / isLongExposureMode" status=0 Record 74: "QHY_OFF0= 3767.777 / [us] RollingShutterEndOffset row 0" status=0 Allocating memory for image, dark and result arrays... Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 9576 6388 16 bitpix SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388 16 bitpix Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/d_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits :) Spent 0.700583 seconds renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png' try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats MegaDivider v7 Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/d_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 9576 6388 16 bitpix Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388 16 bitpix Avarage count on flat field image: 37096.658242 Minimal real count (from overscan): 5 Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits :) No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0) renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png' Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits EXPTIME = 20.0 / [s] Exposure duration SET-TEMP= 0.0 / [degC] CCD temperature setpoint CCD-TEMP= -0.0 / [degC] CCD temperature FOCTEMP = 17.8799991607666 / [degC] Focuser temperature AMBTEMP = 18.2 / [degC] Ambient air temperature Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Header: 74 keys total, 33 keys left Record 0: "" status=0 Record 1: "SIMPLE = T / C# FITS" status=0 Record 2: "BITPIX = 16" status=0 Record 3: "NAXIS = 2 / Dimensionality" status=0 Record 4: "NAXIS1 = 9576" status=0 Record 5: "NAXIS2 = 6388" status=0 Record 6: "BZERO = 32768" status=0 Record 7: "EXTEND = T / Extensions are permitted" status=0 Record 8: "IMAGETYP= 'LIGHT' / Type of exposure" status=0 Record 9: "EXPOSURE= 20.0 / [s] Exposure duration" status=0 Record 10: "EXPTIME = 20.0 / [s] Exposure duration" status=0 Record 11: "DATE-LOC= '2026-10-21T21:37:41.6138633' / Time of observation (local)" status=0 Record 12: "DATE-OBS= '2026-10-22T02:37:41.6138633' / Time of observation (UTC)" status=0 Record 13: "MJD-OBS = 61335.1095094099 / Modified Julian Date of observation" status=0 Record 14: "DATE-AVG= '2026-10-22T02:37:51.5119718' / Averaged midpoint time (UTC)" status=0 Record 15: "MJD-AVG = 61335.10962397 / 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 = 239.9968287259 / [deg] RA of telescope" status=0 Record 32: "DEC = 29.9998165646985 / [deg] Declination of telescope" status=0 Record 33: "CENTALT = 17.7213888888889 / [deg] Altitude of telescope" status=0 Record 34: "CENTAZ = 294.606111111111 / [deg] Azimuth of telescope" status=0 Record 35: "AIRMASS = 3.25356877323318 / Airmass at frame center (Gueymard 1993)" status=0 Record 36: "PIERSIDE= 'East' / Telescope pointing state" status=0 Record 37: "SITEELEV= 1009.5 / [m] Observation site elevation" status=0 Record 38: "SITELAT = 33.7482925 / [deg] Observation site latitude" status=0 Record 39: "SITELONG= -101.958319 / [deg] Observation site longitude" status=0 Record 40: "OBSERVER= 'Sokolovsky' / Observer name" status=0 Record 41: "OBSERVAT= 'TTU Skyview' / Observatory name" status=0 Record 42: "SITENAME= '' / Observatory site name" status=0 Record 43: "FWHEEL = 'Simulator' / Filter Wheel name" status=0 Record 44: "FILTER = 'CV' / Active filter name" status=0 Record 45: "OBJECT = 'CrB-02' / Name of the object of interest" status=0 Record 46: "OBJCTRA = '16 00 00' / [H M S] RA of imaged object" status=0 Record 47: "OBJCTDEC= '+30 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 = 20674 / [step] Focuser position" status=0 Record 51: "FOCUSPOS= 20674 / [step] Focuser position" status=0 Record 52: "FOCUSSZ = 0.0 / [um] Focuser step size" status=0 Record 53: "FOCTEMP = 17.8799991607666 / [degC] Focuser temperature" status=0 Record 54: "FOCUSTEM= 17.8799991607666 / [degC] Focuser temperature" status=0 Record 55: "DEWPOINT= 13.7 / [degC] Dew point" status=0 Record 56: "HUMIDITY= 75.0 / [percent] Relative humidity" status=0 Record 57: "PRESSURE= 906.2 / [hPa] Air pressure" status=0 Record 58: "AMBTEMP = 18.2 / [degC] Ambient air temperature" status=0 Record 59: "WINDDIR = 324.0 / [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 = 6.100488 / [kph] Wind speed" status=0 Record 62: "ROWORDER= 'TOP-DOWN' / FITS Image Orientation" status=0 Record 63: "EQUINOX = 2000.0 / Equinox of celestial coordinate system" status=0 Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0 Record 65: "QHY_EXP = 20.000096 / [s] Actual exposure time" status=0 Record 66: "QHY_PP = 13888.0 / [ps] pixelPeriod" status=0 Record 67: "QHY_LP = 85000.0 / [ns] linePeriod" status=0 Record 68: "GPS_LP = 85000.0 / [ns] linePeriod" status=0 Record 69: "QHY_FP = 20000160.0 / [us] framePeriod" status=0 Record 70: "QHY_CPL = 6120.0 / clocksPerLine" status=0 Record 71: "QHY_LPF = 235295.0 / linesPerFrame" status=0 Record 72: "QHY_AET = 20000096.0 / [us] actualExposureTime" status=0 Record 73: "QHY_LEM = T / isLongExposureMode" status=0 Record 74: "QHY_OFF0= 3767.777 / [us] RollingShutterEndOffset row 0" status=0 Allocating memory for image, dark and result arrays... Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits 9576 6388 16 bitpix SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388 16 bitpix Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/d_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits :) Spent 0.720266 seconds renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png' try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats MegaDivider v7 Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/d_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits 9576 6388 16 bitpix Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388 16 bitpix Avarage count on flat field image: 37096.658242 Minimal real count (from overscan): 5 Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits :) No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0) renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png' Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Dark frame used to calibrate the second-epoch images:

Flat field used to calibrate the second-epoch images:

after the calibration attempt: SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Previews of the CALIBRATED second-epoch images:

fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits


fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits SExtractor catalog cache: saved CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.cat to cache SExtractor catalog cache: saved CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Checking WCS cache directory local_wcs_cache Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images Checking WCS cache directory /home/NMW_web_upload/solved_reference_images Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images The reference JD(UT) for computing planet and comet positions: 2461335.60881182 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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits exists and is non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits exists and is non-empty wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits exists and is non-empty wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits exists and is non-empty ################################### # fov_of_wcs_calibrated_image.sh output for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (1st reference image) verification OK: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Image size: 937.1'x624.1' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis Image center: 16:00:01.229 +29:59:43.19 J2000 4789.000 3195.000 ################################### The image scale is 5.87"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.8" ################################### # fov_of_wcs_calibrated_image.sh output for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits (1st new image) verification OK: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Image size: 938.5'x624.2' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis Image center: 15:59:58.927 +30:00:18.74 J2000 4789.000 3195.000 ################################### ################################### # Check the image center offset between the reference and the first second-epoch image (pointing accuracy) Reference image center 16:00:01.229 +29:59:43.19 Second-epoch image center 15:59:58.927 +30:00:18.74 Angular distance between the image centers 0.0129 deg. Soft limit: 0.50 deg. Hard limit: 1.00 deg. ################################### ################################### # fov_of_wcs_calibrated_image.sh output for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits (2nd new image) verification OK: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Image size: 938.5'x624.2' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis Image center: 15:59:55.759 +30:00:46.80 J2000 4789.000 3195.000 ################################### ################################### # Check the image center offset between the reference and the second second-epoch image (pointing accuracy) Reference image center 16:00:01.229 +29:59:43.19 Second-epoch image center 15:59:55.759 +30:00:46.80 Angular distance between the image centers 0.0265 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 15:59:58.927 +30:00:18.74 Second-epoch second image center 15:59:55.759 +30:00:46.80 Angular distance between the image centers 0.01384 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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits &> /tmp/tmp.AjH4H2N0OQ Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits &> /tmp/tmp.RRzsa77v4k Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits &> /tmp/tmp.wQcpMfWkwG Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits &> /tmp/tmp.cso7BsytmD Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Calibrating the magnitude scale Found non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat Found non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat The reference image (wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits) and catalog (wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat) found 'wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat' -> 'wcsmag.cat' Read 9595 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5786 to 249.5251 deg, Dec +24.5164 to +35.2569 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 230.5786 to 249.5251 deg, Dec 24.5164 to 35.2569 deg Loaded 6338 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): 4868 out of 5011 total matches. Matched with Tycho-2 5011 out of 9595 detected stars. The calibration function type and coefficients are written to calib.txt_param util/calibrate_magnitude_scale 0.000000 1.000000 22.711350 a=0.000000 b=1.000000 c=22.711350 From vast_summary.log: estimated ref. image limiting mag.: -6.96 Updating vast_summary.log: Estimated ref. image limiting mag.: 15.75 Updated vast_limiting_magnitude.log with calibrated magnitudes Working... Please, PLEASE, be patient!!! All lightcurves processed! =) Estimated ref. image limiting mag.: 15.75
Lightcurve magnitude calibration plot:

Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V) Read 9595 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5786 to 249.5251 deg, Dec +24.5164 to +35.2569 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 230.5786 to 249.5251 deg, Dec 24.5164 to 35.2569 deg Loaded 6338 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): 4868 out of 5011 total matches. Matched with Tycho-2 5011 out of 9595 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits:

Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Forced-photometry filter: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits -> calib.txt_param_ref_wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (aperture=6.3) Read 9588 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5766 to 249.5266 deg, Dec +24.5159 to +35.2735 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 230.5766 to 249.5266 deg, Dec 24.5159 to 35.2735 deg Loaded 6349 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): 4861 out of 5014 total matches. Matched with Tycho-2 5014 out of 9588 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits:

Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Forced-photometry filter: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits -> calib.txt_param_ref_wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits (aperture=6.3) ____ End of magnitude calibration ____ Applying consolidated magnitude filters... Preparing the exclusion lists for this field Done with filtering Found 1 candidate transients before the final filtering. (Hard limit: 10000) Median FWHM seeing for isolated stars: 2.3 pix CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 2.3 pix CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 2.2 pix fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 2.2 pix fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Limiting magnitude estimates: 15.7 mag. CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 15.7 mag. CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 13.9 mag. fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 13.8 mag. fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits All-image limiting magnitude estimate: 13.8 (SNR ) 10.8 (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.AjH4H2N0OQ (6) ############ Parsing command line arguments... The guess is based on the existing WCS header. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 571.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits It's a known telescope with plate solutions that are supposed to be good. The input image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits has a WCS header - will blindly trust it is good... '/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits' -> 'wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS_IMAGE_NAME=wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS-calibrated image found: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Checking if the catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits alredy exist and is non-empty... Catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS catalog name: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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=434, bad_region=1783, passed=9595 Got 9595 stars (including 7437 good ones) from the SExtractor catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat util/solve_plate_with_UCAC5 got 9595 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4897 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: 0.26" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 8173 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.27" 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4896 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(), 8173 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.27" Accuracy estimation diagnostic: 4890 matched stars entering correct_measured_positions(), 8173 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" Excluding outliers - 4890 stars left (next iteration limit 5379) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: util/identify.sh trusts the WCS of wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway) WCS_QUALITY_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits N_match=4890 sigma_overall_arcsec=0.302 sigma_q1_arcsec=0.282 sigma_q2_arcsec=0.329 sigma_q3_arcsec=0.303 sigma_q4_arcsec=0.327 n_q1=1651 n_q2=799 n_q3=1637 n_q4=803 worst_quadrant_to_overall_ratio=1.092 WCS_HEADER_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits selection=current_pairs N_selected=4890 N_valid=4890 bias_ra_arcsec=0.003 bias_dec_arcsec=-0.006 median_sep_arcsec=0.299 p95_sep_arcsec=1.910 n_q1=1651 n_q2=799 n_q3=1637 n_q4=803 occupied_cells_4x4=16/16 The image catalog is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits -region wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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.RRzsa77v4k (6) ############ Parsing command line arguments... The guess is based on the existing WCS header. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 571.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits It's a known telescope with plate solutions that are supposed to be good. The input image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits has a WCS header - will blindly trust it is good... '/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits' -> 'wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS_IMAGE_NAME=wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS-calibrated image found: wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Checking if the catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits alredy exist and is non-empty... Catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS catalog name: wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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=457, bad_region=1803, passed=9588 Got 9588 stars (including 7394 good ones) from the SExtractor catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat util/solve_plate_with_UCAC5 got 9588 stars from the SExtractor catalog Updated FoV from the plate-solved image: 937.3' Seting catalog search parameters based on the expected field of view 937.3 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013018 (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 0.010414 (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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4899 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4892 matched stars entering correct_measured_positions(), 4892 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4892 matched stars entering correct_measured_positions(), 8151 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4899 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 4892 matched stars entering correct_measured_positions(), 8151 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.29" Accuracy estimation diagnostic: 4892 matched stars entering correct_measured_positions(), 8151 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.30" Excluding outliers - 4892 stars left (next iteration limit 5381) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: util/identify.sh trusts the WCS of wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway) WCS_QUALITY_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits N_match=4892 sigma_overall_arcsec=0.319 sigma_q1_arcsec=0.297 sigma_q2_arcsec=0.322 sigma_q3_arcsec=0.327 sigma_q4_arcsec=0.349 n_q1=1646 n_q2=804 n_q3=1643 n_q4=799 worst_quadrant_to_overall_ratio=1.094 WCS_HEADER_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits selection=current_pairs N_selected=4892 N_valid=4892 bias_ra_arcsec=-0.028 bias_dec_arcsec=-0.010 median_sep_arcsec=0.261 p95_sep_arcsec=0.815 n_q1=1646 n_q2=804 n_q3=1643 n_q4=799 occupied_cells_4x4=16/16 The image catalog is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits -region wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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.wQcpMfWkwG (6) ############ Parsing command line arguments... The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um Internal estimated FoV 605.3' The guess is based on the FOCALLEN keyword. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 605.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve! FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS_IMAGE_NAME=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS-calibrated image found: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Checking if the catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits alredy exist and is non-empty... Catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS catalog name: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.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=141, bad_region=49, passed=1875 Got 1875 stars (including 1687 good ones) from the SExtractor catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat util/solve_plate_with_UCAC5 got 1875 stars from the SExtractor catalog Updated FoV from the plate-solved image: 938.5' Seting catalog search parameters based on the expected field of view 938.5 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013035 (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 0.010428 (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 573 to 628 (Dec 24.6 to 35.2) Done reading UCAC5 zone files... Matched 1643 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 1640 matched stars entering correct_measured_positions(), 1637 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.35" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 1640 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.35" 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 573 to 628 (Dec 24.6 to 35.2) Done reading UCAC5 zone files... Matched 1644 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 1641 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.36" Accuracy estimation diagnostic: 1641 matched stars entering correct_measured_positions(), 1827 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.36" Excluding outliers - 1641 stars left (next iteration limit 1804) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: SIP order 2 trial: matched=1641 robust_rms=6.674 arcsec worst_region_rms=9.828 arcsec outer_annulus_rms=8.201 arcsec SIP_REFIT: SIP order 3 trial: matched=1641 robust_rms=0.437 arcsec worst_region_rms=0.600 arcsec outer_annulus_rms=0.600 arcsec SIP_REFIT: SIP order 5 trial: matched=1641 robust_rms=0.389 arcsec worst_region_rms=0.518 arcsec outer_annulus_rms=0.518 arcsec SIP_REFIT: selected SIP order 5 SIP_REFIT: order=5 matched=1641 robust_rms_before=0.667 arcsec robust_rms_before_corrected=0.387 arcsec robust_rms_after=0.389 arcsec worst_region_rms_before=0.559 worst_region_rms_after=0.518 outer_annulus_rms_before=0.940 outer_annulus_rms_after=0.518 SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.559 arcsec) - keeping the original SIP_REFIT_REJECTED: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits worst_region_rms_kept=0.559 arcsec robust_rms_kept=0.387 arcsec matched=1641 WCS_QUALITY_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits N_match=1641 sigma_overall_arcsec=0.391 sigma_q1_arcsec=0.399 sigma_q2_arcsec=0.431 sigma_q3_arcsec=0.403 sigma_q4_arcsec=0.409 n_q1=700 n_q2=160 n_q3=591 n_q4=190 worst_quadrant_to_overall_ratio=1.102 WCS_HEADER_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits selection=current_pairs N_selected=1641 N_valid=1641 bias_ra_arcsec=0.307 bias_dec_arcsec=0.211 median_sep_arcsec=0.560 p95_sep_arcsec=1.304 n_q1=700 n_q2=160 n_q3=591 n_q4=190 occupied_cells_4x4=16/16 The image catalog is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits -region wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.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.cso7BsytmD (6) ############ Parsing command line arguments... The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um Internal estimated FoV 605.3' The guess is based on the FOCALLEN keyword. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits 605.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve! FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS_IMAGE_NAME=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS-calibrated image found: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Checking if the catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits alredy exist and is non-empty... Catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS catalog name: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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=38, passed=1722 Got 1722 stars (including 1554 good ones) from the SExtractor catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat util/solve_plate_with_UCAC5 got 1722 stars from the SExtractor catalog Updated FoV from the plate-solved image: 938.5' Seting catalog search parameters based on the expected field of view 938.5 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013035 (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 0.010428 (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 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 1516 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 1513 matched stars entering correct_measured_positions(), 1511 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.36" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 1513 matched stars entering correct_measured_positions(), 1687 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.36" ITERATION 02 -- talking to VizieR, this might be slow! UCAC5 search strategy: trying local copy first Found a local copy of UCAC5 UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50 Reading UCAC5 zone files... Searching UCAC5 zones 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 1516 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 1513 matched stars entering correct_measured_positions(), 1687 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.37" Accuracy estimation diagnostic: 1513 matched stars entering correct_measured_positions(), 1687 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.38" Excluding outliers - 1513 stars left (next iteration limit 1664) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: SIP order 2 trial: matched=1513 robust_rms=6.816 arcsec worst_region_rms=12.273 arcsec outer_annulus_rms=7.614 arcsec SIP_REFIT: SIP order 3 trial: matched=1513 robust_rms=0.446 arcsec worst_region_rms=0.580 arcsec outer_annulus_rms=0.580 arcsec SIP_REFIT: SIP order 5 trial: matched=1513 robust_rms=0.394 arcsec worst_region_rms=0.509 arcsec outer_annulus_rms=0.509 arcsec SIP_REFIT: selected SIP order 5 SIP_REFIT: order=5 matched=1513 robust_rms_before=0.665 arcsec robust_rms_before_corrected=0.395 arcsec robust_rms_after=0.394 arcsec worst_region_rms_before=0.565 worst_region_rms_after=0.509 outer_annulus_rms_before=0.879 outer_annulus_rms_after=0.509 SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.565 arcsec) - keeping the original SIP_REFIT_REJECTED: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits worst_region_rms_kept=0.565 arcsec robust_rms_kept=0.395 arcsec matched=1513 WCS_QUALITY_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits N_match=1513 sigma_overall_arcsec=0.412 sigma_q1_arcsec=0.407 sigma_q2_arcsec=0.483 sigma_q3_arcsec=0.410 sigma_q4_arcsec=0.421 n_q1=636 n_q2=133 n_q3=549 n_q4=195 worst_quadrant_to_overall_ratio=1.174 WCS_HEADER_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits selection=current_pairs N_selected=1513 N_valid=1513 bias_ra_arcsec=0.316 bias_dec_arcsec=0.197 median_sep_arcsec=0.571 p95_sep_arcsec=1.323 n_q1=636 n_q2=133 n_q3=549 n_q4=195 occupied_cells_4x4=16/16 The image catalog is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits -region wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits to local_wcs_cache/ 'wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits' -> 'local_wcs_cache/wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits' Saving the final (post-refit) wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits to local_wcs_cache/ 'wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits' -> 'local_wcs_cache/wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits' Saving the final (post-refit) wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits to local_wcs_cache/ 'wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits' -> 'local_wcs_cache/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits' Saving the final (post-refit) wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits to local_wcs_cache/ 'wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits' -> 'local_wcs_cache/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits' ################################### # Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above) ref1=CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits sigma_overall=0.302 worst_q_ratio=1.092 ref2=CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits sigma_overall=0.319 worst_q_ratio=1.094 new1=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits sigma_overall=0.391 worst_q_ratio=1.102 new2=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits sigma_overall=0.412 worst_q_ratio=1.174 reference average sigma_overall=0.3105 worst_q_ratio=1.093 warn-on-ratio threshold: 2.0x reference ###################################
Astrometric residual vector field (catalog-matched stars):
plot_astrometric_residuals_xy.py: wrote wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387_astrometric_residuals.png (4890 matched stars from wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.26 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388_astrometric_residuals.png (4892 matched stars from wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.28 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120_astrometric_residuals.png (1641 matched stars from wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121_astrometric_residuals.png (1513 matched stars from wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.36 arcsec)
Copying WCS-calibrated images back to input directory Saving fully-calibrated image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image) 'wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits' Saving fully-calibrated image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image) 'wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits' Preparing the HTML report for the field CrB-02-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1 make_report_in_HTML.sh Phase 1 (network queries): 0s Pre-generating preview images in parallel... Done pre-generating preview images. Pre-generating finding charts in parallel... Done pre-generating finding charts. make_report_in_HTML.sh Pre-generation: 1s xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Considering the candidate 05498_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 The candidate 05498_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 did not pass the final checks Discovery image 3   2026 10 22.10963    2461335.60963    9.88    15:56:08.40 +29:14:17.8   5293 3654   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits **** FOUND 15:56:08.42 +29:14:17.9 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 CrB-02-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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits SExtractor catalog cache: saved CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.cat to cache SExtractor catalog cache: saved CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.cat to cache VaST run complete with default.sex.telephoto_lens_vSTL The four input images were /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Checking WCS cache directory local_wcs_cache Found WCS cache directory local_wcs_cache Creating symlink local_wcs_cache/wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Creating symlink local_wcs_cache/wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Creating symlink local_wcs_cache/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Creating symlink local_wcs_cache/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images Checking WCS cache directory /home/NMW_web_upload/solved_reference_images Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images Plate-solving the images wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits exists and is non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits exists and is non-empty wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits exists and is non-empty wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits exists and is non-empty ################################### # fov_of_wcs_calibrated_image.sh output for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (1st reference image) verification OK: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Image size: 937.1'x624.1' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.87"/pix along the X axis and 5.86"/pix along the Y axis Image center: 16:00:01.229 +29:59:43.19 J2000 4789.000 3195.000 ################################### The image scale is 5.87"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.8" ################################### # fov_of_wcs_calibrated_image.sh output for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits (1st new image) verification OK: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Image size: 938.5'x624.2' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis Image center: 15:59:58.927 +30:00:18.74 J2000 4789.000 3195.000 ################################### ################################### # Check the image center offset between the reference and the first second-epoch image (pointing accuracy) Reference image center 16:00:01.229 +29:59:43.19 Second-epoch image center 15:59:58.927 +30:00:18.74 Angular distance between the image centers 0.0129 deg. Soft limit: 0.50 deg. Hard limit: 1.00 deg. ################################### ################################### # fov_of_wcs_calibrated_image.sh output for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits (2nd new image) verification OK: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Image size: 938.5'x624.2' 15.6(deg)x10.4(deg) 9576x6388 pix Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis Image center: 15:59:55.759 +30:00:46.80 J2000 4789.000 3195.000 ################################### ################################### # Check the image center offset between the reference and the second second-epoch image (pointing accuracy) Reference image center 16:00:01.229 +29:59:43.19 Second-epoch image center 15:59:55.759 +30:00:46.80 Angular distance between the image centers 0.0265 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 15:59:58.927 +30:00:18.74 Second-epoch second image center 15:59:55.759 +30:00:46.80 Angular distance between the image centers 0.01384 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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits &> /tmp/tmp.1WLf8Wtt8Z Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits &> /tmp/tmp.fFgNs0X40o Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits &> /tmp/tmp.W19Y6p7IK6 Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits &> /tmp/tmp.4Kc0KJBnHr Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Calibrating the magnitude scale Found non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat Found non-empty wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits and wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat The reference image (wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits) and catalog (wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat) found 'wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat' -> 'wcsmag.cat' Read 49859 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5161 to 249.5358 deg, Dec +24.4922 to +35.2598 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 230.5161 to 249.5358 deg, Dec 24.4922 to 35.2598 deg Loaded 6375 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): 4554 out of 5025 total matches. Matched with Tycho-2 5025 out of 49859 detected stars. The calibration function type and coefficients are written to calib.txt_param util/calibrate_magnitude_scale 0.000000 1.000000 22.597800 a=0.000000 b=1.000000 c=22.597800 From vast_summary.log: estimated ref. image limiting mag.: -6.72 Updating vast_summary.log: Estimated ref. image limiting mag.: 15.88 Updated vast_limiting_magnitude.log with calibrated magnitudes Working... Please, PLEASE, be patient!!! All lightcurves processed! =) Estimated ref. image limiting mag.: 15.88
Lightcurve magnitude calibration plot:

Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V) Read 49859 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5161 to 249.5358 deg, Dec +24.4922 to +35.2598 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 230.5161 to 249.5358 deg, Dec 24.4922 to 35.2598 deg Loaded 6375 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): 4554 out of 5025 total matches. Matched with Tycho-2 5025 out of 49859 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits:

Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Forced-photometry filter: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits -> calib.txt_param_ref_wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (aperture=5.0) Read 50375 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.5178 to 249.5377 deg, Dec +24.5157 to +35.2749 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 230.5178 to 249.5377 deg, Dec 24.5157 to 35.2749 deg Loaded 6370 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): 4552 out of 5017 total matches. Matched with Tycho-2 5017 out of 50375 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits:

Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Forced-photometry filter: calibrated wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits -> calib.txt_param_ref_wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits (aperture=4.9) ____ 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: 2.2 pix CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 2.2 pix CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 2.2 pix fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 2.2 pix fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Limiting magnitude estimates: 15.9 mag. CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 15.9 mag. CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 14.1 mag. fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 14.0 mag. fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits All-image limiting magnitude estimate: 14.0 (SNR ) 13.3 (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.1WLf8Wtt8Z (6) ############ Parsing command line arguments... The guess is based on the existing WCS header. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits 571.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits It's a known telescope with plate solutions that are supposed to be good. The input image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits has a WCS header - will blindly trust it is good... '/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits' -> 'wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS_IMAGE_NAME=wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS-calibrated image found: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits Checking if the catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits alredy exist and is non-empty... Catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits WCS catalog name: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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=6, blended=2728, bad_region=6903, passed=49853 Got 49853 stars (including 40872 good ones) from the SExtractor catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat util/solve_plate_with_UCAC5 got 49853 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4906 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4905 matched stars entering correct_measured_positions(), 4905 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.26" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4905 matched stars entering correct_measured_positions(), 44639 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4906 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 4905 matched stars entering correct_measured_positions(), 44639 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.27" Accuracy estimation diagnostic: 4905 matched stars entering correct_measured_positions(), 44639 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" Excluding outliers - 4905 stars left (next iteration limit 5395) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway) WCS_QUALITY_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits N_match=4905 sigma_overall_arcsec=0.301 sigma_q1_arcsec=0.277 sigma_q2_arcsec=0.325 sigma_q3_arcsec=0.301 sigma_q4_arcsec=0.325 n_q1=1649 n_q2=803 n_q3=1650 n_q4=803 worst_quadrant_to_overall_ratio=1.080 WCS_HEADER_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits selection=current_pairs N_selected=4905 N_valid=4905 bias_ra_arcsec=-0.001 bias_dec_arcsec=0.001 median_sep_arcsec=0.297 p95_sep_arcsec=1.905 n_q1=1649 n_q2=803 n_q3=1650 n_q4=803 occupied_cells_4x4=16/16 The image catalog is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits -region wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.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.fFgNs0X40o (6) ############ Parsing command line arguments... The guess is based on the existing WCS header. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits 571.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits It's a known telescope with plate solutions that are supposed to be good. The input image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits has a WCS header - will blindly trust it is good... '/data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits' -> 'wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS_IMAGE_NAME=wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS-calibrated image found: wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits Checking if the catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits alredy exist and is non-empty... Catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat corresponding to the image wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits WCS catalog name: wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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=8, blended=2756, bad_region=7000, passed=50367 Got 50367 stars (including 41356 good ones) from the SExtractor catalog wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat util/solve_plate_with_UCAC5 got 50367 stars from the SExtractor catalog Updated FoV from the plate-solved image: 937.3' Seting catalog search parameters based on the expected field of view 937.3 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013018 (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 0.010414 (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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4905 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4903 matched stars entering correct_measured_positions(), 4903 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.27" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4903 matched stars entering correct_measured_positions(), 45062 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" 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 572 to 628 (Dec 24.5 to 35.3) Done reading UCAC5 zone files... Matched 4905 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 4903 matched stars entering correct_measured_positions(), 45062 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.28" Accuracy estimation diagnostic: 4903 matched stars entering correct_measured_positions(), 45062 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.30" Excluding outliers - 4903 stars left (next iteration limit 5393) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway) WCS_QUALITY_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits N_match=4903 sigma_overall_arcsec=0.320 sigma_q1_arcsec=0.296 sigma_q2_arcsec=0.325 sigma_q3_arcsec=0.323 sigma_q4_arcsec=0.357 n_q1=1648 n_q2=802 n_q3=1645 n_q4=808 worst_quadrant_to_overall_ratio=1.118 WCS_HEADER_DIAG: file=CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits selection=current_pairs N_selected=4903 N_valid=4903 bias_ra_arcsec=-0.031 bias_dec_arcsec=-0.005 median_sep_arcsec=0.258 p95_sep_arcsec=0.808 n_q1=1648 n_q2=802 n_q3=1645 n_q4=808 occupied_cells_4x4=16/16 The image catalog is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/reference_imgs/CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits -region wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.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.W19Y6p7IK6 (6) ############ Parsing command line arguments... The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um Internal estimated FoV 605.3' The guess is based on the FOCALLEN keyword. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits 605.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve! FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS_IMAGE_NAME=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS-calibrated image found: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Checking if the catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits alredy exist and is non-empty... Catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits WCS catalog name: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.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=1, blended=344, bad_region=267, passed=13269 Got 13269 stars (including 12648 good ones) from the SExtractor catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat util/solve_plate_with_UCAC5 got 13269 stars from the SExtractor catalog Updated FoV from the plate-solved image: 938.5' Seting catalog search parameters based on the expected field of view 938.5 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013035 (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 0.010428 (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 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 4874 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4865 matched stars entering correct_measured_positions(), 4865 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.40" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4865 matched stars entering correct_measured_positions(), 13119 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.40" 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 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 4873 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 4865 matched stars entering correct_measured_positions(), 13119 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.40" Accuracy estimation diagnostic: 4865 matched stars entering correct_measured_positions(), 13119 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.42" Excluding outliers - 4865 stars left (next iteration limit 5351) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.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=4865 robust_rms=6.445 arcsec worst_region_rms=10.291 arcsec outer_annulus_rms=7.415 arcsec SIP_REFIT: SIP order 3 trial: matched=4865 robust_rms=0.513 arcsec worst_region_rms=0.628 arcsec outer_annulus_rms=0.628 arcsec SIP_REFIT: SIP order 5 trial: matched=4865 robust_rms=0.461 arcsec worst_region_rms=0.568 arcsec outer_annulus_rms=0.536 arcsec SIP_REFIT: selected SIP order 5 SIP_REFIT: order=5 matched=4865 robust_rms_before=0.730 arcsec robust_rms_before_corrected=0.448 arcsec robust_rms_after=0.461 arcsec worst_region_rms_before=0.564 worst_region_rms_after=0.568 outer_annulus_rms_before=0.889 outer_annulus_rms_after=0.536 SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.564 arcsec) - keeping the original SIP_REFIT_REJECTED: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits worst_region_rms_kept=0.564 arcsec robust_rms_kept=0.448 arcsec matched=4865 WCS_QUALITY_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits N_match=4865 sigma_overall_arcsec=0.451 sigma_q1_arcsec=0.436 sigma_q2_arcsec=0.521 sigma_q3_arcsec=0.446 sigma_q4_arcsec=0.499 n_q1=2059 n_q2=489 n_q3=1776 n_q4=541 worst_quadrant_to_overall_ratio=1.156 WCS_HEADER_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits selection=current_pairs N_selected=4865 N_valid=4865 bias_ra_arcsec=0.323 bias_dec_arcsec=0.195 median_sep_arcsec=0.603 p95_sep_arcsec=1.398 n_q1=2059 n_q2=489 n_q3=1776 n_q4=541 occupied_cells_4x4=16/16 The image catalog is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits -region wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.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.4Kc0KJBnHr (6) ############ Parsing command line arguments... The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um Internal estimated FoV 605.3' The guess is based on the FOCALLEN keyword. Trying to blindly solve the plate (local solve-field or remote server)... /data_ssd/NMW-TexasTech/workdir/vast_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits 605.0 Entering WCS image calibration mode. ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve! FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS_IMAGE_NAME=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS-calibrated image found: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Checking if the catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits alredy exist and is non-empty... Catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat corresponding to the image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits found. The catalog is in the new format, as expected. The plate-solved (WCS-calibrated) image is saved to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits WCS catalog name: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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=2, blended=312, bad_region=188, passed=12632 Got 12632 stars (including 12125 good ones) from the SExtractor catalog wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat util/solve_plate_with_UCAC5 got 12632 stars from the SExtractor catalog Updated FoV from the plate-solved image: 938.5' Seting catalog search parameters based on the expected field of view 938.5 arcmin UCAC5 catalog search parameters: catalog_search_parameters->search_radius_deg= 0.013035 (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 0.010428 (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 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 4871 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4862 matched stars entering correct_measured_positions(), 4862 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.42" Removing outliers... Correcting the measured astrometric positions... Accuracy estimation diagnostic: 4862 matched stars entering correct_measured_positions(), 12530 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.42" ITERATION 02 -- talking to VizieR, this might be slow! UCAC5 search strategy: trying local copy first Found a local copy of UCAC5 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 573 to 628 (Dec 24.6 to 35.3) Done reading UCAC5 zone files... Matched 4871 stars with the local copy of UCAC5. The local UCAC5 search seems to be a success Accuracy estimation diagnostic: 4862 matched stars entering correct_measured_positions(), 12530 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.42" Accuracy estimation diagnostic: 4862 matched stars entering correct_measured_positions(), 12530 with non-zero local correction accuracy Estimated accuracy of the plate solution: 0.43" Excluding outliers - 4862 stars left (next iteration limit 5348) Stop iterations. The field is successfully solved and matched with the astrometric catalog! :) SIP_REFIT: wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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=4862 robust_rms=6.572 arcsec worst_region_rms=11.093 arcsec outer_annulus_rms=7.453 arcsec SIP_REFIT: SIP order 3 trial: matched=4862 robust_rms=0.519 arcsec worst_region_rms=0.613 arcsec outer_annulus_rms=0.613 arcsec SIP_REFIT: SIP order 5 trial: matched=4862 robust_rms=0.474 arcsec worst_region_rms=0.580 arcsec outer_annulus_rms=0.555 arcsec SIP_REFIT: selected SIP order 5 SIP_REFIT: order=5 matched=4862 robust_rms_before=0.722 arcsec robust_rms_before_corrected=0.467 arcsec robust_rms_after=0.474 arcsec worst_region_rms_before=0.578 worst_region_rms_after=0.580 outer_annulus_rms_before=0.890 outer_annulus_rms_after=0.555 SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.578 arcsec) - keeping the original SIP_REFIT_REJECTED: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits worst_region_rms_kept=0.578 arcsec robust_rms_kept=0.467 arcsec matched=4862 WCS_QUALITY_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits N_match=4862 sigma_overall_arcsec=0.469 sigma_q1_arcsec=0.447 sigma_q2_arcsec=0.563 sigma_q3_arcsec=0.466 sigma_q4_arcsec=0.499 n_q1=2057 n_q2=460 n_q3=1793 n_q4=552 worst_quadrant_to_overall_ratio=1.200 WCS_HEADER_DIAG: file=fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits selection=current_pairs N_selected=4862 N_valid=4862 bias_ra_arcsec=0.319 bias_dec_arcsec=0.199 median_sep_arcsec=0.607 p95_sep_arcsec=1.395 n_q1=2057 n_q2=460 n_q3=1793 n_q4=552 occupied_cells_4x4=16/16 The image catalog is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ucac5 The DS9 region file with the matched stars is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ds9.reg You may view it with the command: ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits -region wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat.ds9.reg The astrometric residuals vector field is written to wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.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_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image) The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Saving fully-calibrated image wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image) The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Preparing the HTML report for the field CrB-02-Q2b1x1 with default.sex.telephoto_lens_vSTL Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits at 16:05:37.50 +32:14:13.1: 13.54 +/- 0.04 detection Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-15-31_20.00sec_-4.90C_LIGHT_0387.fits at 16:30:15.47 +27:00:52.2: 13.79 +/- 0.05 detection Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits at 16:05:37.50 +32:14:13.1: 13.53 +/- 0.04 detection Forced photometry on wcs_CrB-02-Q2b1x1_2026-05-11_03-16-23_20.00sec_-5.00C_LIGHT_0388.fits at 16:30:15.47 +27:00:52.2: 13.83 +/- 0.05 detection Forced photometry reference-image weighted average: 13.54 +/- 0.03 Forced photometry reference-image weighted average: 13.81 +/- 0.04 Forced photometry filter KEPT candidate at 16:30:15.47 +27:00:52.2: ref_mag=13.81 +/- 0.04 new_mean_mag=12.8235 delta=0.99 (need > 0.90) Forced photometry filter REJECTED candidate at 16:05:37.50 +32:14:13.1: ref_mag=13.54 +/- 0.03 new_mean_mag=13.1906 delta=0.35 (need > 0.90) Adding exclusion_list_local.txt__out44008.dat to exclusion_list_local.txt make_report_in_HTML.sh Phase 1 (network queries): 8s Pre-generating preview images in parallel... Done pre-generating preview images. Pre-generating finding charts in parallel... Done pre-generating finding charts. make_report_in_HTML.sh Pre-generation: 1s xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Considering the candidate 53880_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 The candidate 53880_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 did not pass the final checks Discovery image 2   2026 10 22.10963    2461335.60963    12.70    16:11:43.88 +33:22:06.6   3272 1164   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits **** FOUND 16:11:43.88 +33:22:06.8 in the exclusion list exclusion_list_bsc.txt **** xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Considering the candidate 53987_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 The candidate 53987_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 did not pass the final checks Discovery image 1   2026 10 22.10881    2461335.60881    13.25    16:05:37.46 +32:14:13.0   4051 1851   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Discovery image 2   2026 10 22.10963    2461335.60963    13.16    16:05:37.53 +32:14:13.1   4044 1856   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Considering the candidate 44008_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 Preparing report for the candidate 44008_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Considering the candidate 27710_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 The candidate 27710_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121 did not pass the final checks Discovery image 3   2026 10 22.10963    2461335.60963    9.56    15:56:08.41 +29:14:18.3   5293 3654   /data_ssd/NMW-TexasTech/workdir//img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits **** FOUND 15:56:08.43 +29:14:18.1 in the exclusion list exclusion_list.txt **** make_report_in_HTML.sh Phase 2 (HTML assembly): 0s make_report_in_HTML.sh TOTAL: 9s Prepared the HTML report for the field CrB-02-Q2b1x1 with default.sex.telephoto_lens_vSTL *------ done with default.sex.telephoto_lens_vSTL ------* #### The local exclusion list is exclusion_list_local.txt #### 16:30:15.47 +27:00:52.2 Source monitoring: measuring positions from /data_ssd/NMW-TexasTech/workdir/img_2026-10-21_CI_CrB-02-Q2b1x1_215102_TTUQ2b1x1_1750489_GglTMpM1/monitoring_positions.txt Source monitoring: positions closer than 100 pix to a frame edge are recorded as edge Read 13270 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.6349 to 249.4279 deg, Dec +24.6132 to +35.2737 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 230.6349 to 249.4279 deg, Dec 24.6132 to 35.2737 deg Loaded 6209 Tycho-2 stars within the image boundaries (VT and BT non-zero). Relation between the catalog and instrumental magnitudes is written to calib.txt Stars used for magnitude calibration (good matches): 4162 out of 4256 total matches. Matched with Tycho-2 4256 out of 13270 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits via Tycho-2 util/pixel_flux_airmass_correction processing wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits Observation time (mid-exposure, UTC): JD 2461335.60881 (FITS header) Observing site: lat= +33.748292 deg lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords) Frame center (pixel 4788.5 3194.5): RA= 239.99648 deg Dec= +30.00604 deg Frame center: alt= +17.812 deg az= 290.884 deg airmass= 3.2286 Header cross-check: CENTALT= 17.942 deg (difference -0.131 deg) Header cross-check: AIRMASS= 3.2156 (we compute 3.2286) Airmass zero-point fit: REJECT_K_RANGE k= +0.8131 +/- 0.0112 mag/airmass N= 3306 airmass span 2.1846-5.0267 scatter 0.3582 mag Source monitoring: airmass zero-point for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits: REJECT_K_RANGE +2.370437 -0.813051 3.2286 +0.8131 3306 2.8421 0.3582 2.1846 5.0267 Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX) Forced photometry (list mode): image=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits list=monitoring_pixlist1755431.tmp aperture=4.8 Image size: 9576 x 6388 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). Saturation level: 57000.0 Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 22.012100 Local star coverage test: 13270 stars in wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits.wcscat, test radius 302 pix (0.50 deg), 66.4 stars per circle at the frame's mean density Forced photometry: center=(4884.59, 5666.64) aperture=4.8 Annulus: inner=9.60 outer=24.00 edge margin=100.00 Background annulus: 1521 pixels Iterative clipping converged after 1 iterations, 1518/1521 pixels remain SExtractor background: mode=3574.70 median=3578.00 mean=3580.20 sigma=95.08 -> bg=3574.70 (1518 pixels) Aperture sum=111490.95 N_eff=18.0956 Net flux=46804.77 noise=404.48 SNR=115.72 Instrumental magnitude: -11.6757 Calibrated magnitude: 10.3364 Local star coverage at (4884.59, 5666.64): 47 catalog stars within 302 pix, 66.4 expected at the frame's mean star density Source monitoring: 1 position(s) measured on wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-36-31_20.00sec_-0.00C_LIGHT_0120.fits (aperture 4.8 pix) Read 12634 stars from the SExtractor catalog wcsmag.cat Detected star coordinate range: RA 230.6313 to 249.4111 deg, Dec +24.6135 to +35.2809 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 230.6313 to 249.4111 deg, Dec 24.6135 to 35.2809 deg Loaded 6207 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): 4098 out of 4183 total matches. Matched with Tycho-2 4183 out of 12634 detected stars. util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits via Tycho-2 util/pixel_flux_airmass_correction processing wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits Observation time (mid-exposure, UTC): JD 2461335.60963 (FITS header) Observing site: lat= +33.748292 deg lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords) Frame center (pixel 4788.5 3194.5): RA= 239.98327 deg Dec= +30.01384 deg Frame center: alt= +17.584 deg az= 291.010 deg airmass= 3.2680 Header cross-check: CENTALT= 17.721 deg (difference -0.137 deg) Header cross-check: AIRMASS= 3.2536 (we compute 3.2680) Airmass zero-point fit: REJECT_K_RANGE k= +0.7594 +/- 0.0119 mag/airmass N= 3204 airmass span 2.2010-5.1171 scatter 0.3692 mag Source monitoring: airmass zero-point for wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits: REJECT_K_RANGE +2.232016 -0.759379 3.2680 +0.7594 3204 2.9161 0.3692 2.2010 5.1171 Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX) Forced photometry (list mode): image=wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits list=monitoring_pixlist1755431.tmp aperture=4.8 Image size: 9576 x 6388 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). Saturation level: 57000.0 Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 21.959750 Local star coverage test: 12634 stars in wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits.wcscat, test radius 302 pix (0.50 deg), 63.0 stars per circle at the frame's mean density Forced photometry: center=(4877.61, 5671.46) aperture=4.8 Annulus: inner=9.60 outer=24.00 edge margin=100.00 Background annulus: 1520 pixels Iterative clipping converged after 2 iterations, 1514/1520 pixels remain SExtractor background: mode=3389.58 median=3387.00 mean=3385.28 sigma=91.10 -> bg=3389.58 (1514 pixels) Aperture sum=118591.74 N_eff=18.0956 Net flux=57255.39 noise=387.51 SNR=147.75 Instrumental magnitude: -11.8945 Calibrated magnitude: 10.0652 Local star coverage at (4877.61, 5671.46): 49 catalog stars within 302 pix, 63.0 expected at the frame's mean star density Source monitoring: 1 position(s) measured on wcs_fd_CrB-02-Q2b1x1_2026-10-21_21-37-41_20.00sec_-0.00C_LIGHT_0121.fits (aperture 4.8 pix) ########### Completed CrB-02-Q2b1x1 ########### The analysis was running at tau We are allowed to update the exclusion list at tau host Found ../exclusion_list_TTUQ2.txt #### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources #### 16:30:15.47 +27:00:52.2 ################################################################################### 16:30:15.47 +27:00:52.2 -- not an asteroid (will add it to exclusion list) renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt' 16:30:15.47 +27:00:52.2 -- does not seem to be a hot pixel (will add it to exclusion list) 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) 16:30:15.47 +27:00:52.2 -- a known variable star Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars). ################################################################################### 1 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 #### Adding the following to the exclusion list #### 16:30:15.47 +27:00:52.2 #################################################### The observatory MPC code is V36 ############################################################ Positions of planets computed with util/planet_finder/main.py for JD(UT)2461335.60881182 -observatory V36 15:07:50.33 -20:50:58.0 Mercury (0.3mag) 13:47:51.73 -18:26:15.8 Venus (-4.3mag) 09:03:59.81 +18:13:09.6 Mars (1.0mag) 09:40:49.81 +14:35:20.0 Jupiter (-2.0mag) 00:39:27.73 +01:18:30.6 Saturn (0.4mag) 04:10:48.92 +20:54:44.1 Uranus (5.6mag) 00:09:20.50 -00:32:00.3 Neptune (7.7mag) 20:24:11.10 -23:43:02.3 Pluto (14.5mag) 22:34:30.85 -08:46:19.6 Moon (-11.4mag) -rw-r--r-- 1 apache apache 362 Oct 21 21:54 planets.txt ############################################################ Positions of selected moons from JPL HORIZONS for JD(UT)2461335.60881182: 09:40:43.77 +14:35:54.7 Io (6.1mag) 09:41:00.00 +14:34:22.8 Europa (6.2mag) 09:40:36.48 +14:36:36.1 Ganymede (5.5mag) 09:40:55.99 +14:34:47.7 Callisto (6.8mag) 09:41:22.82 +14:51:52.3 Himalia (15.6mag) 09:40:47.30 +14:35:33.7 Thebe (16.4mag) 09:39:55.65 +14:59:04.2 Elara (17.5mag) 09:42:32.65 +13:59:30.3 Pasiphae (17.8mag) 09:38:40.77 +15:04:55.6 Carme (18.8mag) 00:39:36.77 +01:18:31.8 Titan (8.2mag) 00:39:20.86 +01:18:29.8 Rhea (9.6mag) 00:39:26.25 +01:16:38.9 Iapetus (11.0mag) 00:39:43.50 +01:18:14.8 Hyperion (14.1mag) 00:37:42.88 +01:06:05.7 Phoebe (16.4mag) -rw-r--r-- 1 apache apache 568 Oct 21 21:54 moons.txt ############################################################ Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461335.60881182: 03:48:50.64 +20:03:15.5 JWST 17:21:22.82 +38:15:29.1 Chandra 04:37:27.84 +50:47:06.6 XMM-Newton -rw-r--r-- 1 apache apache 96 Oct 21 21:54 spacecraft.txt ############################################################ Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461335.60881182 -observatory V36 03:41:40.44 +20:09:38.4 17.1mag P/1996 R2 (Lagerkvist) 07:41:36.06 +37:33:37.7 18.0mag P/2004 V5 (LINEAR-Hill) 07:41:41.07 +37:33:25.0 18.0mag P/2004 V5-A (LINEAR-Hill) 07:41:01.97 +37:33:37.3 18.0mag P/2004 V5-B (LINEAR-Hill) 05:02:26.47 +40:52:39.4 18.0mag P/2009 Y2 (Kowalski) 18:34:55.57 -33:13:40.9 14.9mag P/2010 H2 (Vales) 07:43:21.47 -73:06:31.7 17.2mag C/2014 UN271 (Bernardinelli-Bernstein) 06:14:16.19 +34:57:41.8 17.7mag C/2017 K2 (PANSTARRS) 04:41:01.80 +48:11:31.1 17.6mag P/2021 N1 (ZTF) 07:33:38.06 +25:22:26.1 16.9mag C/2022 N2 (PANSTARRS) 09:06:08.73 +36:53:30.7 16.3mag C/2024 E1 (Wierzchos) 18:30:14.24 +41:07:15.9 17.4mag C/2024 J3 (ATLAS) 05:45:51.14 -13:39:59.2 16.5mag C/2024 T5 (ATLAS) 12:37:32.90 +15:07:25.7 16.0mag C/2025 V2 (Rankin) 14:02:02.08 -03:36:24.7 16.4mag C/2025 Y1 (ATLAS) 19:26:34.49 +60:19:14.6 15.5mag C/2026 A2 (Bok) 02:23:57.80 +41:33:30.7 18.0mag C/2026 B2 (Sun-Gao) 12:55:56.27 +15:25:04.7 17.7mag A/2026 E1 16:24:02.95 -52:03:48.2 13.6mag P/2026 R2 (Leonard) 19:22:49.32 -05:06:04.6 16.6mag P/2026 T1 (ATLAS) 23:59:37.49 +17:02:56.9 17.2mag 2P/Encke 23:10:40.78 -29:07:12.5 14.9mag 10P/Tempel 02:25:04.30 +36:00:40.9 16.5mag 11P/Tempel-Swift-LINEAR 12:18:19.56 -09:02:17.2 16.3mag 29P/Schwassmann-Wachmann 00:16:07.37 -09:04:43.4 15.7mag 65P/Gunn 07:48:45.82 +14:51:45.2 13.9mag 78P/Gehrels 02:48:31.32 +13:46:03.0 17.8mag 88P/Howell 08:17:39.54 +43:06:32.6 17.0mag 112P/Urata-Niijima 09:26:33.84 +10:13:54.4 17.7mag 114P/Wiseman-Skiff 12:02:44.12 +10:48:47.2 14.8mag 123P/West-Hartley 14:34:12.86 -35:07:30.6 18.0mag 124P/Mrkos 20:30:04.16 +10:10:12.9 9.8mag 161P/Hartley-IRAS 10:44:44.48 -00:44:07.5 15.2mag 169P/NEAT 03:21:54.84 +03:19:07.8 15.0mag 220P/McNaught 06:16:34.63 +47:28:02.7 15.5mag 260P/McNaught 07:42:18.23 +25:20:39.9 17.7mag 266P/Christensen -rw-r--r-- 1 apache apache 1.8K Oct 21 21:54 comets.txt ############################################################ List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html : 22:14:03.37 -45:07:18.60 ASASSN-26fm VIZIER 01:57:48.19 -33:14:42.30 SN 2026aedl ------- 18:05:22.06 +17:52:41.00 ASASSN-26fn 2026-10-11.74 15.23 21:50:55.86 -02:51:49.30 SN2026acyb 2026-10-9.85 16.83 03:40:34.04 +02:31:56.70 SN2026acvp 2026-10-9.95 17.75 04:33:25.91 -13:41:04.20 SN2026adhl ------- 09:20:05.05 +27:03:12.40 SN2026aeif ------- 02:58:07.77 -65:18:52.90 ASASSN-26fl VIZIER 02:49:03.98 -49:55:57.00 SN 2026adfy 2026-10-4.88 16.61 22:03:46.31 -11:07:57.70 AT2026adgn 2026-10-4.28 -2.56 15:03:12.98 +49:51:05.40 ASASSN-26fj VIZIER 08:07:27.96 -65:51:03.90 ASASSN-26fi 2026-10-1.36 15.82 21:02:34.66 +23:57:26.20 ASASSN-26fh 2026-10-1.27 15.94 20:00:16.62 +03:26:29.90 AT2026adfv ------- 00:08:42.74 -32:33:16.50 SN2026abhc ------- 21:02:30.26 -19:27:41.80 SN2026acxa ------- 04:39:17.45 -28:06:12.40 ASASSN-26fg VIZIER 05:25:07.80 +04:38:32.40 SN2026aajs ------- 19:56:12.67 +08:25:27.70 AT2026acgs ------- 00:02:34.06 +52:55:18.90 ASASSN-26ff 2026-09-16.38 15.41 23:44:33.18 +17:46:12.20 SN2026yjv ------- 16:21:12.24 +57:37:51.30 SN 2026aafh ------- 23:36:00.27 -19:28:18.00 SN 2026aaks 2026-09-14.44 16.89 16:35:24.86 -05:32:38.20 SN2026aasi ------- 16:46:08.71 +37:25:21.80 SN2026aafk 2026-09-13.25 17.4 23:48:37.86 +50:25:24.60 SN2026aafs ------- 21:20:27.02 +02:10:42.50 SN2026aagh ------- 08:02:26.85 -24:37:44.10 ASASSN-26fe 2026-09-13.34 13.67 02:29:34.91 +23:06:56.30 SN2026aars ------- 02:47:25.52 -32:58:34.50 SN 2026znh ------- 04:59:14.53 -83:27:58.80 ASASSN-26fd 2026-09-9.11 17.27 17:52:06.79 -23:43:20.70 ASASSN-26fc VIZIER 03:52:53.26 -14:19:28.70 SN 2026zfw ------- 01:53:26.46 +10:07:25.10 SN2026aacj ------- 20:04:34.47 +62:38:38.10 SN2026zji 2026-09-7.14 15.87 22:37:05.64 +34:24:35.00 SN2026aaiv ------- 22:24:21.29 -10:25:31.60 ASASSN-26fb 2026-09-5.3 13.93 00:44:54.28 +41:33:10.50 AT2026aabo 2026-09-3.29 15.02 00:52:12.40 -58:22:08.60 SN 2026zhl 2026-08-31.92 16.51 19:53:57.87 +61:00:19.70 ASASSN-26fa VIZIER 00:21:50.96 -09:29:16.30 AT2026zwp 2026-08-31.41 15.59 19:45:06.20 +18:22:48.80 V488 2026-08-30.13 9.37 18:25:12.74 -22:25:28.60 V8055 ------- 17:17:45.96 +64:31:40.10 ASASSN-26ez VIZIER 19:02:47.09 +58:08:21.00 AT2026zwo ------- 04:20:07.58 -42:26:59.90 AT2026zjy ------- 03:08:18.02 +11:54:46.50 SN2026ymb 2026-08-23.4 16.44 20:22:32.48 -50:45:14.30 SN2026yid ------- 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 ------- 23:01:28.67 -61:00:39.00 SN 2026yib ------- 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 VIZIER 13:53:14.21 +00:26:52.00 SN 2026wkv ------- 05:21:07.61 +23:38:20.10 TCP J05210763+2338194 2026-08-10.59 9.34 01:28:20.49 +40:13:27.10 SN2026wpd 2026-08-9.34 16.37 23:47:50.89 +49:28:51.30 SN2026wjs 2026-08-9.24 17.09 16:03:20.92 +17:43:23.70 AT2026xau ------- 01:10:22.05 -09:34:08.50 SN2026weo ------- 00:56:54.35 -35:55:29.40 AT2026wdy ------- 22:08:07.63 -53:03:58.90 AT2026wek ------- 14:51:51.34 +66:13:24.60 ASASSN-26ev VIZIER 12:06:50.79 -36:16:06.20 SN2026wgm ------- 16:56:36.90 -59:29:26.00 ASASSN-26er VIZIER 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 VIZIER 12:18:47.98 -30:48:47.50 ASASSN-26et VIZIER 13:00:47.82 +15:42:17.60 SN2026uwk ------- 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 VIZIER 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 VIZIER 04:50:01.03 -02:22:33.80 ASASSN-26ej VIZIER 18:34:55.28 -31:41:00.90 ASASSN-26ek VIZIER 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 VIZIER 10:00:46.44 -32:36:31.10 AT 2023mhb ------- 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 VIZIER 19:33:53.06 -07:15:00.80 ASASSN-22le ------- 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 ------- 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 ------- 20:21:30.50 -32:03:40.10 ASASSN-26ee VIZIER 19:37:44.09 -05:35:42.80 AT2026ryu ------- 11:06:55.46 -04:07:04.50 AT2026qqg ------- 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 VIZIER 19:59:01.43 -32:07:34.30 ASASSN-26eb VIZIER 18:46:50.35 -57:44:13.20 SN 2026qqp ------- 19:17:31.69 -39:55:29.90 ASASSN-26dz VIZIER -rw-r--r-- 1 apache apache 9.3K Oct 21 21:54 asassn_transients_list.txt ############################################################ Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html : 19:45:06.48 +18:22:42.2 PNV J19450648+1822422 2026-08-25.1278 9.0mag 00:42:54.65 +41:22:59.3 PNV J00425465+4122593 2026-08-25.4712 18.9mag 00:42:50.38 +41:18:58.76 PNV J00425038+4118587 2026-09-04.1512 18.2mag 00:42:12.76 +41:16:28.4 PNV J00421276+4116284 2026-09-10.9176 18.67Cmag 17:52:06.80 -23:43:20.7 TCP J17520680-2343207 2026-09-08.7896 12.6mag 00:42:40.94 +41:15:37.1 PNV J00424094+4115371 2026-09-17.8925 18.3mag 08:49:20.13 -09:19:15.8 TCP J08492013-0919158 2026-09-18.4698 13.3mag 00:42:13.93 +41:16:35.6 PNV J00421393+4116356 2026-09-22.6597 19.66Cmag 18:14:01.58 +15:13:55.5 TCP J18140158+1513555 2026-09-24.4645 14.1mag 00:42:36.61 +41:13:50.5 TCP J00423661+4113505 2026-09-29.7462 17.4mag 22:03:46.29 -11:07:57.8 TCP J22034629-1107578 2026-09-29.7438 14.51Cmag 22:05:02.06 +20:49:01.2 TCP J22050206+2049012 2026-10-03.5715 17.13Cmag 00:38:15.01 +41:14:47.2 TCP J00381501+4114472 2026-10-08.5978 17.72Cmag 01:06:05.83 +09:51:20.4 TCP J01060583+0951204 2026-10-10.8543 14.54Cmag 17:54:18.76 -27:36:36.2 TCP J17541876-2736362 2026-10-12.3993 10.8mag 09:56:00.79 +69:06:15.2 PNV J09560079+6906152 2026-10-14.9274 19.38Cmag 00:43:30.83 +41:26:55.3 PNV J00433083+4126553 2026-10-17.5651 18.61Cmag 04:57:32.08 +30:15:41.6 TCP J04573208+3015416 2026-10-17.7818 18.21Cmag 05:21:07.64 +23:38:21.3 TCP J05210764+2338213 2026-10-18.4020 10.3mag 05:34:11.01 +28:45:30.5 TCP J05341101+2845305 2026-10-18.3604 16.6mag -rw-r--r-- 1 apache apache 191K Oct 21 21:54 tocp_transients_list.txt ############################################################ Truncated list of recent TNS transients from https://www.wis-tns.org/ : 00:26:39.140 -03:17:00.58 AT 2026aebh 2026-10-02.27 20.1095 21:28:41.378 +03:57:48.01 SN 2026aebg 2026-10-01.26 20.3099 00:57:54.471 -27:53:53.62 AT 2026aebf 2026-09-30.33 19.3916 22:47:58.650 +03:51:05.09 AT 2026aebe 2026-09-30.23 20.1921 23:27:00.498 -10:43:55.07 AT 2026aebd 2026-10-01.39 20.03 23:40:24.092 -09:27:20.60 AT 2026aebc 2026-10-01.39 20.07 00:56:09.593 -01:35:47.87 AT 2026aebb 2026-10-01.40 20.95 01:31:39.979 -01:39:43.87 AT 2026aeba 2026-10-01.46 21.45 00:07:25.339 -15:18:56.54 AT 2026aeaz 2026-10-01.43 20.53 23:42:54.731 -13:55:17.55 AT 2026aeay 2026-10-01.39 20.31 23:16:44.972 +36:01:13.19 AT 2026aeax 2026-10-02.92 19.86 23:18:07.150 +48:20:26.73 AT 2026aeaw 2026-10-02.94 19.8 00:37:24.068 +28:57:17.85 AT 2026aeav 2026-10-01.99 19.38 21:50:23.168 +33:19:22.80 AT 2026aeau 2026-09-29.87 19.55 00:04:36.210 +29:29:32.28 AT 2026aeat 2026-10-01.98 19.64 23:57:53.480 +34:42:21.77 AT 2026aeas 2026-09-17.98 19.98 22:49:20.962 +14:16:34.56 AT 2026aear 2026-10-02.91 19.66 15:03:12.986 +49:51:05.44 SN 2026aeaq 2026-10-02.06 16.3 16:39:45.867 +17:29:32.52 AT 2026aeap 2026-09-29.22 20.06 01:04:03.654 -18:21:58.12 AT 2026aeao 2026-10-02.42 20.8 -rw-r--r-- 1 apache apache 89K Oct 21 21:54 tns_transients_list.txt

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