## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461178.74973063 18.05.2026 05:59:26.726   /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
First image: 2461178.74973063 18.05.2026 05:59:26.726   /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Last  image: 2461231.70939904 10.07.2026 05:01:22.077   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 0
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.30
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 3 seconds
Number of parallel threads: 24
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
Total objects detected (at least 2 times):  3908
Objects passed selection criteria:  3901
Measurements per detected object (mean, median, min, max):    3.5    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.5    4.0    2    4
Average stars detected per image: 3469.5
Average stars matched: 3418.75 (98.5373 %)
Memory usage VmPeak:   110692 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Jul  8 15:05:08 CDT 2026
VaST build number  1.0rc89-141-gc31ee76a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-08)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Jul 10 00:48:13 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461178.74973063 18.05.2026 05:59:26.726   /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
First image: 2461178.74973063 18.05.2026 05:59:26.726   /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Last  image: 2461231.70939904 10.07.2026 05:01:22.077   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 4
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.04
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 13 seconds
Number of parallel threads: 24
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
Total objects detected (at least 2 times):  19448
Objects passed selection criteria:  19398
Measurements per detected object (mean, median, min, max):    3.6    4.0    2    4
Measurements per selected object (mean, median, min, max):    3.6    4.0    2    4
Average stars detected per image: 18234
Average stars matched: 17785.8 (97.5417 %)
Memory usage VmPeak:   125172 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Wed Jul  8 15:05:08 CDT 2026
VaST build number  1.0rc89-141-gc31ee76a
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-07-08)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Jul 10 00:50:09 CDT 2026
Host name: tau
############################################################

######## Processing parameters ########
AAVSO_COMMENT_STRING= NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
ASTCHECK_ASTEROID_SEARCH_RADIUS_ARCSEC= 
BAD_REGION_FILE= /var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst
CAMERA_SETTINGS= TTUQ2b1x1
CHECK_POINTING_ACCURACY= yes
DARK_FRAMES_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/darks
EXCLUSION_LIST= ../exclusion_list_TTUQ2.txt
FILTER_BAD_IMG__MAX_APERTURE_STAR_SIZE_PIX= 12.5
FILTER_BAD_IMG__MAX_ELONGATION_AminusB_PIX= 0.55
FILTER_BAD_IMG__MIN_APERTURE_STAR_SIZE_PIX= 2.0
FILTER_BRIGHT_MAG_CUTOFF_TRANSIENT_SEARCH= -5
FILTER_FAINT_MAG_CUTOFF_TRANSIENT_SEARCH= 15.5
FLAT_FIELD_DIR_OR_FILE= /var/www/nmw_calibration/TTUQ2b1x1/flats
FRAME_EDGE_OFFSET_PIX= 600
GAIA_BAND_FOR_CATALOGED_SOURCE_CHECK= 
MAX_NEW_TO_REF_MEAN_IMG_VALUE_RATIO= 100
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= 
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
STARMATCH_RADIUS_PIX= 4
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: 
CVn-02-Q2b1x1
#######################################
########### Starting CVn-02-Q2b1x1 ###########
Processing CVn-02-Q2b1x1
server tau has sufficient free disk space available: 669586 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 669586 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.png' -> 'transient_report/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits_preview.png'

CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits


renamed 'CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.png' -> 'transient_report/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits_preview.png'

CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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= 349.3568
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 399.7563
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1073.5468
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 406.8910
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1071.9066
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 409.1045
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.07292
INFO:                  SECOND_EPOCH__SD_ratio= 0.005
----------------------------------------------
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=                  5.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  5.0 / [degC] CCD temperature
FOCTEMP =     28.3600006103516 / [degC] Focuser temperature
AMBTEMP =                 29.2 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits 
CCD-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
SET-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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= '2026-07-10T00:00:27.6011047' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-10T05:00:27.6011047' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61231.2086527892 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-10T05:00:37.5052058' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61231.2087674187 / 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=                  5.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                  5.0 / [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      =     196.360250756854 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999014966835 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     38.4166666666667 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     294.343333333333 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     1.60688101039112 / 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  = 'CVn-02'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '13 05 27'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20474 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20474 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     28.3600006103516 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     28.3600006103516 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 10.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 31.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               899.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 29.2 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 33.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            25.602048 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             20.50164 / [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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits 9576 6388  16 bitpix
SET-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
SET-TEMP= 5.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit
CCD-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
CCD-TEMP= 4.900000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/d_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits :)

Spent 0.884622 seconds 
renamed 'mdark_TTUQ2b1x1_5C_20s_2026-07-08.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/d_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33794.829350
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits :)


No overscan detected - all values seem high! (left_median=21727.0, right_median=27156.0)
renamed 'mff_TTUQ2b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  5.0 / [degC] CCD temperature setpoint
CCD-TEMP=                  5.0 / [degC] CCD temperature
FOCTEMP =     28.3400001525879 / [degC] Focuser temperature
AMBTEMP =                 29.2 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits 
CCD-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
SET-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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= '2026-07-10T00:01:22.0779429' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-07-10T05:01:22.0779429' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61231.2092832988 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-07-10T05:01:31.9819165' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61231.2093979283 / 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=                  5.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                  5.0 / [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      =     196.360250800562 / [deg] RA of telescope" status=0
Record 32: "DEC     =     37.9999014927702 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     38.2455555555556 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =             294.4075 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     1.61293259062083 / 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  = 'CVn-02'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '13 05 27'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+38 00 00'          / [D M S] Declination of imaged object" status=0
Record 48: "OBJCTROT=                  0.0 / [deg] planned rotation of imaged object" status=0
Record 49: "FOCNAME = 'ZWO Focuser'        / Focusing equipment name" status=0
Record 50: "FOCPOS  =                20474 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20474 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     28.3400001525879 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     28.3400001525879 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 10.3 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 31.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               899.59 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 29.2 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 33.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            25.602048 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             20.50164 / [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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits 9576 6388  16 bitpix
SET-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
SET-TEMP= 5.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit
CCD-TEMP= 5.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
CCD-TEMP= 4.900000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_5C_20s_2026-07-08.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/d_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits :)

Spent 0.696734 seconds 
renamed 'mdark_TTUQ2b1x1_5C_20s_2026-07-08.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/d_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-07-08.fit 9576 6388  16 bitpix
Avarage count on flat field image: 33794.829350
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits :)


No overscan detected - all values seem high! (left_median=21727.0, right_median=27156.0)
renamed 'mff_TTUQ2b1x1_2026-07-08.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Previews of the CALIBRATED second-epoch images:


fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits



fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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 --norotation --noflagimage --starmatchraius 4 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
  
SExtractor catalog cache: saved CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.cat to cache
SExtractor catalog cache: saved CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.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/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461231.70876853
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_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits exists and is non-empty
Saving wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits to local_wcs_cache/
'wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits' -> 'local_wcs_cache/wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits'
wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits exists and is non-empty
Saving wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits to local_wcs_cache/
'wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits' -> 'local_wcs_cache/wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits'
wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits exists and is non-empty
Saving wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits to local_wcs_cache/
'wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits' -> 'local_wcs_cache/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits'
wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits exists and is non-empty
Saving wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits to local_wcs_cache/
'wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits' -> 'local_wcs_cache/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits'
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits (1st reference image)
verification OK: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Image size: 937.0'x624.0'  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: 13:05:27.550 +38:00:12.07 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_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits (1st new image)
verification OK: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Image size: 937.4'x624.0'  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: 13:05:27.084 +38:00:04.99 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 13:05:27.550 +38:00:12.07
Second-epoch image center 13:05:27.084 +38:00:04.99
Angular distance between the image centers 0.0025 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits (2nd new image)
verification OK: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Image size: 937.4'x624.0'  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: 13:05:25.845 +38:00:49.33 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 13:05:27.550 +38:00:12.07
Second-epoch image center 13:05:25.845 +38:00:49.33
Angular distance between the image centers 0.0118 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  13:05:27.084 +38:00:04.99
Second-epoch second image center 13:05:25.845 +38:00:49.33
Angular distance between the image centers 0.01297 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/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits &> /tmp/tmp.mXv6L3rWha
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits &> /tmp/tmp.LruuiXvU7n
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits &> /tmp/tmp.m11MhuYM4P
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits &> /tmp/tmp.5RfQGIC6SE
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Calibrating the magnitude scale
Found non-empty wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat 
Found non-empty wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat
The reference image (wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits) and catalog (wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat) found
'wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat' -> 'wcsmag.cat'
Read 5327 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7897 to 206.9322 deg, Dec +32.4377 to +43.2599 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 185.7897 to 206.9322 deg, Dec 32.4377 to 43.2599 deg
Loaded 4172 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): 3157 out of 3228 total matches.
Matched with Tycho-2 3228 out of 5327 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.558100
a=0.000000 b=1.000000 c=22.558100
From vast_summary.log: estimated ref. image limiting mag.:  -7.30
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.26

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.26

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 5327 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7897 to 206.9322 deg, Dec +32.4377 to +43.2599 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 185.7897 to 206.9322 deg, Dec 32.4377 to 43.2599 deg
Loaded 4172 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): 3157 out of 3228 total matches.
Matched with Tycho-2 3228 out of 5327 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits:


Forced-photometry filter: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits -> calib.txt_param_ref_wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits (aperture=6.3)
Read 5334 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7750 to 206.9322 deg, Dec +32.4378 to +43.2371 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 185.7750 to 206.9322 deg, Dec 32.4378 to 43.2371 deg
Loaded 4174 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): 3152 out of 3230 total matches.
Matched with Tycho-2 3230 out of 5334 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits:


Forced-photometry filter: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits -> calib.txt_param_ref_wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits (aperture=6.3)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.3 pix  CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 2.3 pix  CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
 2.4 pix  fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
 2.5 pix  fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
 2.3 pix  wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 2.3 pix  wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Limiting magnitude estimates:
 15.3 mag.  CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 15.3 mag.  CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
 14.8 mag.  fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
 14.8 mag.  fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
All-image limiting magnitude estimate:  14.8 (SNR )  11.8 (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
############ /tmp/tmp.mXv6L3rWha (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits' -> 'wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits'
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS_IMAGE_NAME=wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS-calibrated image found: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Checking if the catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits alredy exist and is non-empty...
Catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS catalog name: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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=282, bad_region=1231, passed=5327
Got 5327 stars (including 3873 good ones) from the SExtractor catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat 
util/solve_plate_with_UCAC5 got 5327 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.0'
Seting catalog search parameters based on the expected field of view 937.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013014 (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 0.010411 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 963 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 959 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4207 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
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 963 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4207 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4207 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 963 stars left (next iteration limit 1059)
Stop iterations.


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

WCS_QUALITY_DIAG: file=CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits N_match=963 sigma_overall_arcsec=0.281 sigma_q1_arcsec=0.275 sigma_q2_arcsec=0.295 sigma_q3_arcsec=0.279 sigma_q4_arcsec=0.288 n_q1=314 n_q2=190 n_q3=294 n_q4=165 worst_quadrant_to_overall_ratio=1.048
The image catalog is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits -region wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.LruuiXvU7n (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits' -> 'wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits'
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS_IMAGE_NAME=wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS-calibrated image found: wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Checking if the catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits alredy exist and is non-empty...
Catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS catalog name: wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=279, bad_region=1242, passed=5334
Got 5334 stars (including 3860 good ones) from the SExtractor catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat 
util/solve_plate_with_UCAC5 got 5334 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.0'
Seting catalog search parameters based on the expected field of view 937.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013014 (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 0.010411 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 963 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 960 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4217 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 963 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4216 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 963 matched stars entering correct_measured_positions(), 4216 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 963 stars left (next iteration limit 1059)
Stop iterations.


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

WCS_QUALITY_DIAG: file=CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits N_match=963 sigma_overall_arcsec=0.312 sigma_q1_arcsec=0.279 sigma_q2_arcsec=0.317 sigma_q3_arcsec=0.318 sigma_q4_arcsec=0.317 n_q1=312 n_q2=188 n_q3=296 n_q4=167 worst_quadrant_to_overall_ratio=1.017
The image catalog is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits -region wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.m11MhuYM4P (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS_IMAGE_NAME=wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS-calibrated image found: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Checking if the catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits alredy exist and is non-empty...
Catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS catalog name: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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=266, bad_region=916, passed=3781
Got 3781 stars (including 2678 good ones) from the SExtractor catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat 
util/solve_plate_with_UCAC5 got 3781 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 964 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 964 matched stars entering correct_measured_positions(), 961 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 964 matched stars entering correct_measured_positions(), 2962 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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 964 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 964 matched stars entering correct_measured_positions(), 2963 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Accuracy estimation diagnostic: 964 matched stars entering correct_measured_positions(), 2963 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 964 stars left (next iteration limit 1060)
Stop iterations.


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

WCS_QUALITY_DIAG: file=fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits N_match=964 sigma_overall_arcsec=0.372 sigma_q1_arcsec=0.378 sigma_q2_arcsec=0.352 sigma_q3_arcsec=0.372 sigma_q4_arcsec=0.361 n_q1=311 n_q2=185 n_q3=303 n_q4=165 worst_quadrant_to_overall_ratio=1.014
The image catalog is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits -region wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.5RfQGIC6SE (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS_IMAGE_NAME=wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS-calibrated image found: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Checking if the catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits alredy exist and is non-empty...
Catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS catalog name: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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=219, bad_region=873, passed=3780
Got 3780 stars (including 2729 good ones) from the SExtractor catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat 
util/solve_plate_with_UCAC5 got 3780 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 959 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 2999 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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.2)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 2999 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 2999 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 962 stars left (next iteration limit 1058)
Stop iterations.


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

WCS_QUALITY_DIAG: file=fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits N_match=962 sigma_overall_arcsec=0.356 sigma_q1_arcsec=0.335 sigma_q2_arcsec=0.347 sigma_q3_arcsec=0.391 sigma_q4_arcsec=0.361 n_q1=315 n_q2=187 n_q3=298 n_q4=162 worst_quadrant_to_overall_ratio=1.099
The image catalog is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits -region wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits sigma_overall=0.281 worst_q_ratio=1.048
ref2=CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits sigma_overall=0.312 worst_q_ratio=1.017
new1=fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits sigma_overall=0.372 worst_q_ratio=1.014
new2=fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits sigma_overall=0.356 worst_q_ratio=1.099
reference average sigma_overall=0.2965 worst_q_ratio=1.0325
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576_astrometric_residuals.png (963 matched stars from wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.26 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577_astrometric_residuals.png (963 matched stars from wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.28 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140_astrometric_residuals.png (964 matched stars from wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.34 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141_astrometric_residuals.png (962 matched stars from wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.33 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits'
Saving fully-calibrated image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits'
Preparing the HTML report for the field CVn-02-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field CVn-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 --norotation --noflagimage --starmatchraius 4 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
  
SExtractor catalog cache: saved CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.cat to cache
SExtractor catalog cache: saved CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Creating symlink local_wcs_cache/wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Creating symlink local_wcs_cache/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Creating symlink local_wcs_cache/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Creating symlink local_wcs_cache/exclusion_list.txt
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits exists and is non-empty
wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits exists and is non-empty
wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits exists and is non-empty
wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits (1st reference image)
verification OK: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Image size: 937.0'x624.0'  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: 13:05:27.550 +38:00:12.07 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_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits (1st new image)
verification OK: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Image size: 937.4'x624.0'  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: 13:05:27.084 +38:00:04.99 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 13:05:27.550 +38:00:12.07
Second-epoch image center 13:05:27.084 +38:00:04.99
Angular distance between the image centers 0.0025 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits (2nd new image)
verification OK: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Image size: 937.4'x624.0'  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: 13:05:25.845 +38:00:49.33 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 13:05:27.550 +38:00:12.07
Second-epoch image center 13:05:25.845 +38:00:49.33
Angular distance between the image centers 0.0118 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  13:05:27.084 +38:00:04.99
Second-epoch second image center 13:05:25.845 +38:00:49.33
Angular distance between the image centers 0.01297 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/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits &> /tmp/tmp.PQt4Mm9Zlv
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits &> /tmp/tmp.31nUlj8q2w
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits &> /tmp/tmp.Z0s15TSNH8
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits &> /tmp/tmp.hcHvTzz2vA
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Calibrating the magnitude scale
Found non-empty wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat 
Found non-empty wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits and wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat
The reference image (wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits) and catalog (wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat) found
'wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat' -> 'wcsmag.cat'
Read 24753 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7848 to 207.0333 deg, Dec +32.4164 to +43.2599 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 185.7848 to 207.0333 deg, Dec 32.4164 to 43.2599 deg
Loaded 4210 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): 3076 out of 3258 total matches.
Matched with Tycho-2 3258 out of 24753 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.449700
a=0.000000 b=1.000000 c=22.449700
From vast_summary.log: estimated ref. image limiting mag.:  -7.04
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.41

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.41

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 24753 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7848 to 207.0333 deg, Dec +32.4164 to +43.2599 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 185.7848 to 207.0333 deg, Dec 32.4164 to 43.2599 deg
Loaded 4210 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): 3076 out of 3258 total matches.
Matched with Tycho-2 3258 out of 24753 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits:


Forced-photometry filter: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits -> calib.txt_param_ref_wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits (aperture=5.0)
Read 25058 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 185.7750 to 206.9730 deg, Dec +32.4163 to +43.2594 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 185.7750 to 206.9730 deg, Dec 32.4163 to 43.2594 deg
Loaded 4197 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): 3081 out of 3261 total matches.
Matched with Tycho-2 3261 out of 25058 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits:


Forced-photometry filter: calibrated wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits -> calib.txt_param_ref_wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits (aperture=5.0)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 3 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.2 pix  CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 2.2 pix  CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
 2.2 pix  fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
 2.3 pix  fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
 2.2 pix  wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 2.2 pix  wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Limiting magnitude estimates:
 15.4 mag.  CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
 15.4 mag.  CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
 14.9 mag.  fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
 14.9 mag.  fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
All-image limiting magnitude estimate:  14.9 (SNR )  14.3 (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.PQt4Mm9Zlv (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits' -> 'wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits'
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS_IMAGE_NAME=wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS-calibrated image found: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
Checking if the catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits alredy exist and is non-empty...
Catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits
WCS catalog name: wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.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=7, blended=952, bad_region=4201, passed=24746
Got 24746 stars (including 19829 good ones) from the SExtractor catalog wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat 
util/solve_plate_with_UCAC5 got 24746 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.0'
Seting catalog search parameters based on the expected field of view 937.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013014 (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 0.010411 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 958 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 21056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 21056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 21056 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.28" 
Excluding outliers - 962 stars left (next iteration limit 1058)
Stop iterations.


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

WCS_QUALITY_DIAG: file=CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits N_match=962 sigma_overall_arcsec=0.286 sigma_q1_arcsec=0.273 sigma_q2_arcsec=0.287 sigma_q3_arcsec=0.294 sigma_q4_arcsec=0.306 n_q1=315 n_q2=189 n_q3=291 n_q4=167 worst_quadrant_to_overall_ratio=1.072
The image catalog is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits -region wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.31nUlj8q2w (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits' -> 'wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits'
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS_IMAGE_NAME=wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS-calibrated image found: wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
Checking if the catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits alredy exist and is non-empty...
Catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat corresponding to the image wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits
WCS catalog name: wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.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=7, blended=935, bad_region=4205, passed=25051
Got 25051 stars (including 20114 good ones) from the SExtractor catalog wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat 
util/solve_plate_with_UCAC5 got 25051 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.0'
Seting catalog search parameters based on the expected field of view 937.0 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013014 (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 0.010411 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 961 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 957 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 21343 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
Reading UCAC5 zone files...
Searching UCAC5 zones 612 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 961 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 21343 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 21343 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Excluding outliers - 961 stars left (next iteration limit 1057)
Stop iterations.


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

WCS_QUALITY_DIAG: file=CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits N_match=961 sigma_overall_arcsec=0.313 sigma_q1_arcsec=0.282 sigma_q2_arcsec=0.318 sigma_q3_arcsec=0.329 sigma_q4_arcsec=0.303 n_q1=315 n_q2=193 n_q3=286 n_q4=167 worst_quadrant_to_overall_ratio=1.051
The image catalog is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits -region wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.Z0s15TSNH8 (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS_IMAGE_NAME=wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS-calibrated image found: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Checking if the catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits alredy exist and is non-empty...
Catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
WCS catalog name: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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=611, bad_region=3265, passed=19314
Got 19314 stars (including 15577 good ones) from the SExtractor catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat 
util/solve_plate_with_UCAC5 got 19314 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 961 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 960 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 16485 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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 961 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 16484 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 961 matched stars entering correct_measured_positions(), 16484 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 961 stars left (next iteration limit 1057)
Stop iterations.


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

WCS_QUALITY_DIAG: file=fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits N_match=961 sigma_overall_arcsec=0.358 sigma_q1_arcsec=0.361 sigma_q2_arcsec=0.340 sigma_q3_arcsec=0.381 sigma_q4_arcsec=0.323 n_q1=311 n_q2=191 n_q3=290 n_q4=169 worst_quadrant_to_overall_ratio=1.065
The image catalog is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits -region wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.hcHvTzz2vA (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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS_IMAGE_NAME=wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS-calibrated image found: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Checking if the catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits alredy exist and is non-empty...
Catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat corresponding to the image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
WCS catalog name: wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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=11, blended=659, bad_region=3288, passed=19286
Got 19286 stars (including 15473 good ones) from the SExtractor catalog wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat 
util/solve_plate_with_UCAC5 got 19286 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.4'
Seting catalog search parameters based on the expected field of view 937.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013019 (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 0.010416 (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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 960 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 16431 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
Reading UCAC5 zone files...
Searching UCAC5 zones 611 to 668 (Dec 32.4 to 43.3)
Done reading UCAC5 zone files...
Matched 962 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 16432 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Accuracy estimation diagnostic: 962 matched stars entering correct_measured_positions(), 16432 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35" 
Excluding outliers - 962 stars left (next iteration limit 1058)
Stop iterations.


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

WCS_QUALITY_DIAG: file=fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits N_match=962 sigma_overall_arcsec=0.343 sigma_q1_arcsec=0.299 sigma_q2_arcsec=0.347 sigma_q3_arcsec=0.388 sigma_q4_arcsec=0.359 n_q1=314 n_q2=191 n_q3=286 n_q4=171 worst_quadrant_to_overall_ratio=1.130
The image catalog is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits -region wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Saving fully-calibrated image wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.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_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/wcs_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits
Preparing the HTML report for the field CVn-02-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits at 12:47:12.99 +41:05:19.2:  15.44 +/- 0.22  detection
Forced photometry on wcs_CVn-02-Q2b1x1_2026-05-18_00-59-26_20.00sec_4.90C_LIGHT_1576.fits at 12:43:32.64 +40:52:06.2:  14.95 +/- 0.14  detection
Forced photometry on wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits at 12:47:12.99 +41:05:19.2:  15.37 +/- 0.20  detection
Forced photometry on wcs_CVn-02-Q2b1x1_2026-05-18_01-00-14_20.00sec_5.00C_LIGHT_1577.fits at 12:43:32.64 +40:52:06.2:  15.05 +/- 0.16  detection
Forced photometry reference-image weighted average:  15.40 +/- 0.15
Forced photometry filter REJECTED candidate at 12:47:12.99 +41:05:19.2: ref_mag=15.40 +/- 0.15 new_mean_mag=14.8781 delta=0.52 (need > 0.90)
Forced photometry reference-image weighted average:  15.00 +/- 0.11
Forced photometry filter REJECTED candidate at 12:43:32.64 +40:52:06.2: ref_mag=15.00 +/- 0.11 new_mean_mag=14.7274 delta=0.27 (need > 0.90)
make_report_in_HTML.sh Phase 1 (network queries): 1s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 0s
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31635_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141
The candidate 31635_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141 did not pass the final checks
Discovery image 2     2026 07 10.20940    2461231.70940    13.47    13:32:26.65 +39:16:42.7   1614 2335   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits

**** FOUND  13:32:26.75 +39:16:43.3 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31667_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141
The candidate 31667_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141 did not pass the final checks
Discovery image 1     2026 07 10.20877    2461231.70877    14.75    12:43:32.77 +40:52:06.7   7287 1362   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Discovery image 2     2026 07 10.20940    2461231.70940    14.71    12:43:32.52 +40:52:05.6   7285 1370   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31672_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141
The candidate 31672_fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141 did not pass the final checks
Discovery image 1     2026 07 10.20877    2461231.70877    14.85    12:47:13.01 +41:05:20.4   6858 1256   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-00-27_20.00sec_5.00C_LIGHT_0140.fits
Discovery image 2     2026 07 10.20940    2461231.70940    14.91    12:47:12.96 +41:05:18.1   6855 1264   /data_ssd/NMW-TexasTech/workdir//img_2026-07-10_CI_CVn-02-Q2b1x1_000231_TTUQ2b1x1_1334786_bE9WKon3/fd_CVn-02-Q2b1x1_2026-07-10_00-01-22_20.00sec_5.00C_LIGHT_0141.fits

make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field CVn-02-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
########### Completed CVn-02-Q2b1x1 ###########
The analysis was running at tau
We are allowed to update the exclusion list at tau host
Found ../exclusion_list_TTUQ2.txt
#### The exclusion list before filtering-out asteroids, bad pixels and adding Gaia sources ####
###################################################################################
renamed 'exclusion_list_index_html.txt_noasteroids' -> 'exclusion_list_index_html.txt'
renamed 'exclusion_list_index_html.txt_nohotpixels' -> 'exclusion_list_index_html.txt'
# Count candidates with no identification (that also don't look like hot pix)
Found 0 unidentified candidates (excluding asteroids, hot pixels and known variable stars).
###################################################################################
0 candidates found (excluding asteroids and hot pixels)
This does not look like a test run
###################################################################################
exclusion_list_gaiadr2.txt NOT FOUND
exclusion_list_apass.txt NOT FOUND
IS_THIS_TEST_RUN=NO  ALLOW_EXCLUSION_LIST_UPDATE= YES
#### Nothing to add to the exclusion list ####
The observatory MPC code is V36
############################################################
Positions of planets computed with util/planet_finder/main.py for JD(UT)2461231.70876853 -observatory V36
07:32:38.56 +17:08:23.8 Mercury (5.1mag)
10:11:02.77 +12:44:44.2 Venus (-4.1mag)
04:23:44.92 +21:24:07.4 Mars (1.3mag)
08:16:32.77 +20:11:53.5 Jupiter (-1.8mag)
00:55:49.95 +03:20:25.5 Saturn (0.7mag)
04:07:12.38 +20:44:59.0 Uranus (5.8mag)
00:17:01.52 +00:20:41.9 Neptune (7.8mag)
20:30:55.73 -23:17:56.8 Pluto (14.4mag)
03:01:38.53 +21:31:46.0 Moon (-9.6mag)
-rw-r--r-- 1 apache apache 361 Jul 10 00:48 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461231.70876853:
08:16:37.14 +20:11:39.3 Io (6.1mag)
08:16:33.11 +20:11:54.0 Europa (6.3mag)
08:16:49.24 +20:10:54.5 Ganymede (5.6mag)
08:17:01.28 +20:10:08.5 Callisto (6.8mag)
08:15:04.66 +19:55:59.5 Himalia (15.7mag)
08:16:31.10 +20:12:00.7 Thebe (16.6mag)
08:14:26.03 +20:00:31.0 Elara (17.6mag)
08:20:04.72 +20:06:08.1 Pasiphae (17.8mag)
08:21:31.10 +20:16:57.2 Carme (19.0mag)
00:55:39.49 +03:20:18.0 Titan (8.5mag)
00:55:44.83 +03:20:30.8 Rhea (9.8mag)
00:55:19.44 +03:19:36.0 Iapetus (11.2mag)
00:55:59.70 +03:20:43.5 Hyperion (14.5mag)
00:55:50.88 +03:17:40.5 Phoebe (16.6mag)
-rw-r--r-- 1 apache apache 568 Jul 10 00:48 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461231.70876853:
17:46:38.73 -33:02:35.3 JWST
15:55:19.40 +52:26:38.2 Chandra
19:53:09.36 +17:55:57.2 XMM-Newton
-rw-r--r-- 1 apache apache 96 Jul 10 00:48 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461231.70876853 -observatory V36
02:36:03.88 +14:24:39.6 17.9mag P/1996 R2 (Lagerkvist)
18:18:03.21 -34:21:30.8 13.7mag P/2010 H2 (Vales)
06:25:31.81 -68:08:15.1 17.3mag C/2014 UN271 (Bernardinelli-Bernstein)
06:00:45.34 +32:26:40.3 17.6mag C/2017 K2 (PANSTARRS)
17:03:09.47 +16:02:57.2 18.0mag C/2021 G2 (ATLAS)
01:46:58.16 +07:55:49.8 15.4mag P/2021 N1 (ZTF)
22:59:36.99 +32:17:07.8 17.3mag C/2022 E2 (ATLAS)
06:12:14.08 +26:55:38.9 16.7mag C/2022 N2 (PANSTARRS)
09:55:23.41 +29:47:14.5 16.8mag C/2022 QE78 (ATLAS)
09:09:38.55 +04:59:47.0 17.8mag C/2022 R6 (PANSTARRS)
18:07:18.40 +21:17:57.1 17.9mag C/2023 A3 (Tsuchinshan-ATLAS)
15:11:36.18 -11:23:04.7 17.7mag P/2023 B1 (PANSTARRS)
21:49:24.43 +67:37:18.2 17.8mag C/2023 H5 (Lemmon)
16:31:10.34 -10:03:47.8 13.9mag C/2023 R1 (PANSTARRS)
08:00:24.06 +65:42:03.2 17.9mag C/2024 A1 (ATLAS)
07:32:37.46 +29:59:45.6 14.6mag C/2024 E1 (Wierzchos)
15:16:23.82 +15:19:28.1 17.5mag C/2024 G6 (ATLAS)
19:41:29.57 +39:21:52.5 13.8mag C/2024 J3 (ATLAS)
21:47:43.78 +45:58:52.8 17.8mag C/2024 R4 (PANSTARRS)
04:49:30.16 -13:48:09.0 15.7mag C/2024 T5 (ATLAS)
06:34:27.14 +29:05:37.3 18.0mag C/2025 J1 (Borisov)
07:14:14.09 -12:52:38.0 16.4mag C/2025 R3 (PANSTARRS)
09:55:55.54 +22:26:34.8 17.6mag C/2025 V2 (Rankin)
12:44:34.21 +03:56:37.8 17.1mag C/2025 Y1 (ATLAS)
16:52:22.38 +79:07:01.9 17.4mag C/2026 A2 (Bok)
02:46:07.18 +45:13:59.5 16.7mag C/2026 B2 (Sun-Gao)
11:25:25.22 +04:31:05.9 16.9mag A/2026 E1
21:18:49.35 -15:01:32.5 7.3mag 10P/Tempel
11:13:23.29 -01:52:52.2 16.1mag 29P/Schwassmann-Wachmann
03:59:57.80 +29:32:14.4 17.8mag 47P/Ashbrook-Jackson
10:07:46.49 +14:03:25.7 17.0mag 63P/Wild
00:48:17.91 -05:05:41.8 15.6mag 65P/Gunn
08:26:30.09 +34:13:32.0 17.9mag 76P/West-Kohoutek-Ikemura
04:27:02.91 +20:10:15.3 13.7mag 78P/Gehrels
02:22:05.88 +10:35:21.2 16.2mag 88P/Howell
06:35:05.91 +30:32:34.1 15.7mag 93P/Lovas
04:20:31.91 +31:06:58.5 16.9mag 114P/Wiseman-Skiff
08:08:20.46 +30:43:09.4 15.3mag 123P/West-Hartley
10:47:51.74 +01:14:43.5 16.8mag 124P/Mrkos
04:51:29.72 +20:48:31.0 16.2mag 128P/Shoemaker-Holt
05:35:58.92 +19:42:53.7 17.8mag 131P/Mueller
00:01:30.32 +02:55:45.9 17.9mag 139P/Vaisala-Oterma
07:13:01.44 +17:03:05.3 15.5mag 141P-D/Machholz
03:16:47.08 -21:07:04.4 15.5mag 161P/Hartley-IRAS
05:32:32.60 +33:55:00.6 15.3mag 162P/SidingSpring
19:04:50.60 +14:59:45.7 14.7mag 169P/NEAT
01:40:41.06 +07:34:55.0 17.7mag 220P/McNaught
16:35:59.66 -08:22:48.2 17.0mag 235P/LINEAR
08:44:58.79 +33:18:45.6 17.9mag 240P/NEAT
20:42:14.57 -49:32:16.2 17.8mag 259P/Garradd
01:58:54.22 +12:01:38.3 15.7mag 260P/McNaught
05:36:47.30 +36:49:51.1 17.4mag 295P/LINEAR
15:06:37.38 +06:04:10.5 17.6mag 391P/Kowalski
08:34:28.43 +19:40:57.3 17.9mag 450P/LONEOS
07:51:32.33 +39:13:41.2 17.9mag 493P/LONEOS
-rw-r--r-- 1 apache apache 2.7K Jul 10 00:48 comets.txt
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List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
16:41:15.63 +39:17:14.70  SN 2026pel  2026-06-26.38 16.07
10:14:40.19 -35:38:21.30  ASASSN-26dy  2026-06-25.99 15.63
14:47:21.56 -40:15:51.30  ASASSN-26dv  2026-06-23.03 14.62
13:38:49.79 -77:21:06.70  ASASSN-26dw  2026-06-23.04 16.09
00:59:27.90 +33:08:13.20  SN 2026mke  2026-06-22.39 17.13
11:10:44.73 -30:20:45.50  SN 2026nmv  2026-06-22.06 16.56
21:36:15.68 -21:19:12.50  AT2026oxh  2026-06-22.15 17.14
17:31:38.38 -56:05:51.90  ASASSN-26dx  2026-06-22.02 14.72
14:10:13.44 -38:46:46.10  AT2026pvk  2026-06-22.06 16.53
20:56:47.23 -18:31:05.20  AT2026plb  2026-06-21.31 16.4
15:44:29.68 +21:00:59.30  SN2026ore  2026-06-21.29 17.57
23:50:05.98 -14:01:41.30  AT2026oxl  2026-06-21.52 17.64
17:36:54.73 -18:10:04.20  AT2026ouj  2026-06-20.92 15.15
00:34:04.08 -30:22:09.20  AT2026ntk  2026-06-18.09 17.34
20:49:13.39 +25:17:59.20  ASASSN-26du  2026-06-15.39 15.93
23:09:30.84 +32:40:42.00  SN2026oxc  2026-06-14.35 16.83
02:02:26.78 +32:04:21.30  AT2026ovz  2026-06-14.59 15.39
21:26:28.11 -72:31:19.50  AT2026nwc  2026-06-11 17.05
17:54:57.33 +26:32:34.20  SN 2026odc  2026-06-11.23 17.62
13:55:59.94 +17:30:37.20  SN 2026nyq  2026-06-11.1 16.24
00:50:45.14 -71:38:36.90  ASASSN-26dt  2026-06-11.13 10.22
14:42:19.73 +19:11:35.60  SN2026nyp  2026-06-10.3 16.32
12:23:23.92 +12:56:43.50  SN2026mta  2026-06-8.29 16.69
12:30:18.51 +47:12:33.20  SN2026oao  2026-06-9.32 17.02
10:51:05.21 -42:28:56.60  AT2026nvf  2026-06-8.12 16.75
13:50:22.48 -07:35:00.00  SN2026npn  2026-06-8.02 17.58
00:56:07.17 +43:01:43.20  ASASSN-26dq  2026-06-7.43 13.58
01:07:49.46 +41:59:43.70  SN 2026obc  2026-06-7.43 15.15
21:11:25.22 +14:14:31.90  ASASSN-26dr  2026-06-7.24 16.24
06:21:27.06 -65:16:42.00  ASASSN-26ds  2026-06-2.97 15.02
20:07:38.15 -21:07:05.40  SN2026mho  2026-05-25.18 -1.12
11:29:42.55 +79:01:03.10  AT2026min  2026-05-24.21 16.63
11:44:33.11 -68:48:32.90  ASASSN-26no  2026-05-24.03 8.35
19:00:42.82 -48:31:01.60  ASASSN-26dp  2026-05-22.31 -3.28
14:23:56.72 -58:37:47.60  ASASSN-26dn  2026-05-20.01 14.64
11:24:54.06 +47:57:01.60  AT2026nma  2026-05-20.29 15.46
21:27:08.58 +33:24:38.10  AT2026lli  2026-05-19.34 15.86
00:31:01.41 -13:38:51.70  AT2026nad  2026-05-19.39 15.34
15:16:06.61 -79:16:32.40  ASASSN-26dm  2026-05-19.03 14.44
11:24:25.21 -59:23:19.10  ASASSN-26dl  2026-05-18.02 13.55
13:45:51.52 -53:16:01.00  ASASSN-26dk  2026-05-18.16 12.96
02:05:49.69 -30:29:09.60  ASASSN-26dh  2026-05-18.43 15.37
17:50:22.87 -39:42:33.90  ASASSN-26dj  2026-05-17.05 15.7
01:13:11.60 -33:25:16.10  ASASSN-26dg  2026-05-13.41 16.8
16:44:31.77 -27:15:18.40  AT2026mhn  2026-05-12.33 15.8
09:46:31.08 -33:41:51.00  ASASSN-26di  2026-05-12.14 14.63
21:23:11.57 -19:09:45.00  AT2026kwu  2026-05-12.26 16.9
14:20:14.30 -30:20:51.90  AT2026ktm  2026-05-12.06 17.21
14:41:39.01 -37:13:46.40  AT2026lkm  2026-05-11.18 16.89
12:59:50.45 -10:58:38.80  SN2026kep  2026-05-9.06 17.5
13:37:29.61 -29:50:30.90  AT2026lkd  2026-05-9.09 17.23
09:46:42.01 -14:52:03.60  SN2026kmo  2026-05-8.99 17.51
15:03:05.28 +22:02:03.80  AT2026lxf  2026-05-8.34 13.72
10:23:49.41 -20:57:25.30  ASASSN-26df  2026-05-8.21 16.52
22:14:40.56 +05:04:51.60  2026lda  2026-05-7.56 16.2
21:35:33.81 -14:05:16.30  ASASSN-26de  2026-05-6.29 14.51
16:21:48.82 -61:36:13.20  ASASSN-26dd  2026-05-5.21 15.15
14:26:40.22 -24:48:37.50  AT2026lig  2026-05-4.27 14.63
13:17:51.04 +30:25:13.50  SN2026kcp  2026-05-4.46 16.43
11:27:55.57 -13:38:56.90  SN2026kza  2026-05-1.08 15.59
22:28:27.10 +30:17:54.30  SN 2026fov  2026-04-29.6 14.36
21:00:10.71 -32:17:03.90  AT2026kis  2026-04-27.36 16.15
14:32:57.37 -58:13:26.40  ASASSN-26dc  2026-04-27.27 13.42
15:32:05.35 -43:54:34.60  ASASSN-26db  2026-04-27.37 16.06
16:34:34.97 -54:34:58.00  ASASSN-26da  2026-04-25.32 16.11
10:06:55.04 -01:13:49.70  SN2026jsg  2026-04-24.99 16.28
15:15:57.17 +56:18:32.80  SN2026kid  2026-04-24.52 -3.65
07:58:28.45 +57:03:42.40  AT2026kcf  2026-04-24.2 16.89
11:38:21.80 -50:43:06.50  SN2026jkb  2026-04-24.24 15.38
10:06:11.41 -39:41:04.20  AT2026dil  2026-04-24.2 16.85
14:21:40.08 +13:13:46.30  SN2026jlm  2026-04-22.16 15.12
10:53:55.47 -16:06:07.00  ASASSN-26cz  2026-04-22.24 16.32
11:06:55.46 -04:07:04.50    2026-07-5.01 16.82
13:45:02.03 +15:17:14.50  ASASSN-26cy  2026-04-21.27 15.78
13:20:52.22 -35:57:03.60  AT2026jcm  2026-04-19.01 16.65
13:36:15.66 -36:53:48.40  SN 2026iqy  2026-04-18.92 17.31
06:34:01.33 -40:07:34.00  ASASSN-26cx  2026-04-19.07 16.16
23:33:57.97 -45:12:11.90  SN 2026idu  2026-04-19.41 15.9
12:10:50.92 +66:55:31.20  SN 2026icv  2026-04-17.14 16.03
21:36:59.06 -60:43:35.90  ASASSN-26cv  2026-04-17.35 -1.18
08:13:26.26 -27:07:30.50  ASASSN-26cw  2026-04-17.07 -1.01
14:49:14.13 -27:29:20.60  ASASSN-26cu  2026-04-16.06 14.03
17:21:59.44 -38:54:04.60  ASASSN-26ct  2026-04-14.4 15.15
15:25:54.99 +07:49:24.50  SN2026huo  2026-04-12.14 16.96
11:06:55.46 -04:07:04.50    2026-07-5.01 16.82
12:23:20.40 +04:53:39.10  AT2026ixd  2026-04-12.14 17.65
17:46:09.76 -61:19:50.40  SN2026icy  2026-04-12.2 17.03
09:25:46.42 +02:13:46.30  SN2026gud  2026-04-11.98 16.49
16:52:15.46 -60:27:45.90  ASASSN-26cs  2026-04-12.4 15.5
04:20:55.37 -51:15:31.10  ASASSN-26cr  2026-04-12.01 15.37
22:25:39.35 +36:45:06.90  AT2026ihl  2026-04-10.48 14.21
-rw-r--r-- 1 apache apache 5.6K Jul 10 00:48 asassn_transients_list.txt
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Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
15:41:11.68 +59:18:26.8  TCP J15411168+5918268  2026-04-12.9625  19.2mag
00:43:35.02 +41:46:28.0  PNV J00433502+4146280  2026-04-23.056  15.9mag
00:42:55.64 +41:14:12.2  PNV J00425564+4114122  2026-04-24.042  16.2mag
21:14:03.38 +56:46:44.1  TCP J21140338+5646441  2026-05-05.3534  16.7mag
15:03:05.19 +22:02:04.1  TCP J15030519+2202041  2026-05-08.3260  13.9mag
07:15:18.25 +47:53:16.7  TCP J07151825+4753167  2026-05-09.1599  14.4mag
16:00:18.44 -22:30:10.6  TCP J16001844-2230106  2026-05-09.6135  13.3mag
00:42:47.45 +41:16:58.5  PNV J00424745+4116585  2026-05-10.030  16.8mag
09:55:02.89 +69:02:13.8  PNV J09550289+6902138  2026-05-18.925  20.7mag
00:43:01.82 +41:18:16.6  PNV J00430182+4118166  2026-05-21.8651  18.83Cmag
00:42:51.20 +41:16:59.4  PNV J00425120+4116594  2022-10-26.135  19.3mag
12:24:25.10 +28:47:12.0  TCP J12242510+2847120  2026-05-31.6015  14.8mag
00:56:07.13 +43:01:40.6  TCP J00560713+4301406  2026-06-01.4135  12.2mag
00:42:41.64 +41:15:16.2  PNV J00424164+4115162  2026-06-02.029  17.4mag
00:42:38.68 +41:15:58.2  PNV J00423868+4115582  2026-06-05.1224  19.97Umag
19:00:42.95 -48:31:01.7  PNV J19004295-4831017  2026-05-25.0752  14.2mag
09:55:21.28 +69:02:52.6  PNV J09552128+6902526  2026-06-13.933  18.9mag
19:51:21.42 +37:06:40.0  TCP J19512142+3706400  2026-06-17.2942  16.8mag
19:57:03.87 +37:41:46.4  TCP J19570387+3741464  2026-06-18.2638  17.5mag
00:42:32.04 +41:10:28.3  PNV J00423204+4110283  2026-06-26.059  16.6mag
-rw-r--r-- 1 apache apache 189K Jul 10 00:48 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
13:40:20.447 +40:38:15.61  AT 2026sqe  2026-07-03.20 20.3209
20:26:11.475 -21:05:59.62  AT 2026sqd  2026-07-07.33 20.2909
20:38:05.960 -15:39:19.94  AT 2026sqc  2026-07-07.33 22.2834
21:50:20.218 -14:25:11.02  AT 2026sqb  2026-07-07.39 21.5547
20:32:17.644 -16:37:51.49  AT 2026sqa  2026-07-07.33 21.6569
20:38:02.144 -16:39:15.94  AT 2026spz  2026-07-07.33 22.7762
20:36:24.191 -15:13:43.37  AT 2026spy  2026-07-07.33 22.1739
20:41:10.988 -25:49:45.49  AT 2026spx  2026-07-07.33 22.8645
21:17:15.336 -23:31:53.39  AT 2026spw  2026-07-07.32 21.9459
20:27:45.431 -19:59:58.81  AT 2026spv  2026-07-07.33 21.6485
21:55:34.604 -14:11:57.66  AT 2026spu  2026-07-07.39 23.0585
21:10:34.181 -22:59:24.76  AT 2026spt  2026-07-07.32 22.3526
21:05:55.405 -19:04:02.26  AT 2026sps  2026-07-07.32 21.4424
20:59:14.423 -27:33:25.12  AT 2026spr  2026-07-07.32 23.4151
20:31:34.503 -19:06:25.71  AT 2026spq  2026-07-07.33 22.7105
20:54:43.024 -26:43:41.99  AT 2026spp  2026-07-07.32 22.8017
21:07:49.748 -22:55:35.56  AT 2026spo  2026-07-07.32 22.494
20:57:55.962 -26:08:04.97  AT 2026spn  2026-07-07.32 22.7486
20:52:11.463 -28:17:09.07  AT 2026spm  2026-07-07.32 21.7705
21:10:07.376 -16:54:40.86  AT 2026spl  2026-07-07.32 22.4035
-rw-r--r-- 1 apache apache 30K Jul 10 00:48 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Fri Jul 10 00:47:48 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 4s (0.07 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 48s (0.80 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 48s (0.80 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 4s (0.07 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 105s (1.75 min)
TIMING SExtractor: 8 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 15s (0.25 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 60s (1.00 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 1s (0.02 min)
    WAIT_FOR_UCAC5: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 79s (1.32 min)
FIELD_CVn-02-Q2b1x1: 204s (3.40 min)
=======================================
TOTAL_RUNTIME: 205s (3.42 min)
Finished: Fri Jul 10 00:51:13 CDT 2026