FITS images used in this processing run:

Field Dra-06-Q2b1x1 reference image: Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Field Dra-06-Q2b1x1 reference image: Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Field Dra-06-Q2b1x1 second-epoch image: Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Field Dra-06-Q2b1x1 second-epoch image: Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref.  image: 2461199.78168939 08.06.2026 06:45:27.963   /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
First image: 2461199.78168939 08.06.2026 06:45:27.963   /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Last  image: 2461331.64479352 18.10.2026 03:28:20.160   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 2
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -7.15
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 3 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  10.0             # minimum number of pixels above threshold
DETECT_THRESH   10.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 10.0             #  or , in mag.arcsec-2
SATUR_LEVEL     55000.0         # level (in ADUs) at which arises saturation
GAIN            0.37            # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  6311
Objects passed selection criteria:  6305
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: 5685
Average stars matched: 5575.75 (98.0783 %)
Memory usage VmPeak:   233208 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Sat Oct 17 23:15:54 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: 2461199.78168939 08.06.2026 06:45:27.963   /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
First image: 2461199.78168939 08.06.2026 06:45:27.963   /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Last  image: 2461331.64479352 18.10.2026 03:28:20.160   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 22
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.:  -6.86
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: 11 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA  2.0             # minimum number of pixels above threshold
DETECT_THRESH   3.0             #  or , in mag.arcsec-2
ANALYSIS_THRESH 3.0             #  or , in mag.arcsec-2
SATUR_LEVEL     57000.0         # level (in ADUs) at which arises saturation
GAIN            0.83            # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times):  34516
Objects passed selection criteria:  34439
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: 31463.8
Average stars matched: 30435.2 (96.7312 %)
Memory usage VmPeak:   260392 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on  Thu Oct 15 15:05:03 CDT 2026
VaST build number  1.0rc89-241-g3eca6a38
OpenMP enabled: Yes
SExtractor version 2.25.2 (2026-10-15)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Sat Oct 17 23:16:36 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
DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK= yes
MAX_NEW_IMG_MEAN_VALUE= 25000
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS= 0.18
MAX_SD_RATIO_OF_SECOND_EPOCH_IMGS_SOFT_LIMIT= 0.12
MPC_CODE= V36
NMW_CALIBRATION= /var/www/nmw_calibration
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_HARD_LIMIT= 10000
NUMBER_OF_DETECTED_TRANSIENTS_BEFORE_FILTERING_SOFT_LIMIT= 8000
OMP_NUM_THREADS= 3
ONLINE_MPCHECKER_BUTTON_ASTEROID_SEARCH_RADIUS_ARCMIN= 
PHOTOMETRIC_CALIBRATION= 
REQUIRE_PIX_SHIFT_BETWEEN_IMAGES_FOR_TRANSIENT_CANDIDATES= yes
SEXTRACTOR_CONFIG_BRIGHTSTARPASS= default.sex.telephoto_lens_onlybrightstars_v1
SEXTRACTOR_CONFIG_FILES= default.sex.telephoto_lens_onlybrightstars_v1 default.sex.telephoto_lens_vSTL
SEXTRACTOR_CONFIG_FILES_HIGH_PRIORITY_EXTRA= default.sex.telephoto_lens_vTTU
HIGH_PRIORITY_FIELDS= Sco6 Oph-08-Q1b1x1 Oph-08-Q2b1x1 Sco-04-Q1b1x1 Sco-04-Q2b1x1 Sgr-04-Q1b1x1 Sgr-04-Q2b1x1 242
STARMATCH_RADIUS_PIX= 5
SYSREM_ITERATIONS= 0
TELESCOP= 
TELESCOP_NAME_KNOWN_TO_VaST_FOR_FOV_DETERMINATION= 
UCAC5_PLATESOLVE_ITERATIONS= 2
FPACK_FULLY_CALIBRATED_IMAGE= no
#######################################
HOSTNAME= tau
USER= 
HOME= 
#######################################
SExtractor catalog cache: enabled, directory /data_ssd/NMW-TexasTech/vast_sextractor_cache
Reference image directory is set to /data_ssd/NMW-TexasTech/reference_imgs
VIZIER_SITE=vizier.cds.unistra.fr
GAIA_DR2_CLIENT=vizquery (lib/vizquery -> VizieR vizier.cds.unistra.fr)
INFO: MAKE_PNG_PLOTS is set to yes
FITS_FILE_EXT=fits
CALIBRATION_STATUS_PREFIX=
Fields in the data directory: 
Dra-06-Q2b1x1
#######################################
########### Starting Dra-06-Q2b1x1 ###########
Processing Dra-06-Q2b1x1
server tau has sufficient free disk space available: 438791 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 438791 MB at .
Checking input images (2 new)
REFERENCE_EPOCH__FIRST_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
REFERENCE_EPOCH__SECOND_IMAGE= /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Small preview (one of the new images): 

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

MAKE_PNG_PLOTS=yes


renamed 'Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.png' -> 'transient_report/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits_preview.png'

Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits


renamed 'Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.png' -> 'transient_report/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits_preview.png'

Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.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= 414.5746
INFO:         REFERENCE_EPOCH__FIRST_IMAGE_SD= 496.5565
INFO:    SECOND_EPOCH__FIRST_IMAGE_MEAN_VALUE= 1452.9931
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 532.8576
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 1455.3791
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 533.0175
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 3.50478
INFO:                  SECOND_EPOCH__SD_ratio= 0.000
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     6.23999977111816 / [degC] Focuser temperature
AMBTEMP =                  7.6 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-17T22:27:38.9303989' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-18T03:27:38.9303989' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61331.1442005788 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-18T03:27:48.8324477' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =      61331.144315185 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     231.428624104502 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9995182993212 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     22.8213888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     330.450833333333 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =      2.5640928573053 / 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  = 'Dra-06'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '15 25 43'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+62 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  =                20691 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20691 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     6.23999977111816 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     6.23999977111816 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                  2.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 68.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               912.19 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                  7.6 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 11.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             3.600288 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             1.100088 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/d_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits :)

Spent 0.515323 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/d_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     6.23999977111816 / [degC] Focuser temperature
AMBTEMP =                  7.6 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-17T22:28:20.1607062' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-18T03:28:20.1607062' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61331.1446777778 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-18T03:28:30.0645975' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61331.1447924073 / Modified Julian Date of averaged midpoint" status=0
Record 16: "XBINNING=                    1 / X axis binning factor" status=0
Record 17: "YBINNING=                    1 / Y axis binning factor" status=0
Record 18: "GAIN    =                   30 / Sensor gain" status=0
Record 19: "OFFSET  =                   30 / Sensor gain offset" status=0
Record 20: "XPIXSZ  =                 3.76 / [um] Pixel X axis size" status=0
Record 21: "YPIXSZ  =                 3.76 / [um] Pixel Y axis size" status=0
Record 22: "INSTRUME= 'QHY600M'            / Imaging instrument name" status=0
Record 23: "CAMERAID= 'QHY600M-84137c4dbbbd119a9' / Imaging instrument identifier" status=0
Record 24: "SET-TEMP=                  0.0 / [degC] CCD temperature setpoint" status=0
Record 25: "CCD-TEMP=                 -0.0 / [degC] CCD temperature" status=0
Record 26: "READOUTM= '2CMS-0'             / Sensor readout mode" status=0
Record 27: "USBLIMIT=                   50 / Camera-specific USB setting" status=0
Record 28: "TELESCOP= 'QHY600M-TTU2'       / Name of telescope" status=0
Record 29: "FOCALLEN=                135.0 / [mm] Focal length" status=0
Record 30: "FOCRATIO=                  2.2 / Focal ratio" status=0
Record 31: "RA      =     231.428624140743 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9995183449368 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     22.7527777777778 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     330.492777777778 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     2.57131390546038 / 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  = 'Dra-06'             / Name of the object of interest" status=0
Record 46: "OBJCTRA = '15 25 43'           / [H M S] RA of imaged object" status=0
Record 47: "OBJCTDEC= '+62 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  =                20691 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20691 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     6.23999977111816 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     6.23999977111816 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                  2.1 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 68.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               912.19 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                  7.6 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                 11.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=             3.600288 / [kph] Wind gust" status=0
Record 61: "WINDSPD =             1.100088 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/d_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits :)

Spent 0.522546 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/d_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Previews of the CALIBRATED second-epoch images:


fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits



fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits




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

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
  
SExtractor catalog cache: saved Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.cat to cache
SExtractor catalog cache: saved Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.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/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461331.64431632
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
'tocp_transients_list.txt' -> '../tocp_transients_list.txt'
wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits exists and is non-empty
wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (1st reference image)
verification OK: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Image size: 937.2'x624.2'  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: 15:25:39.854 +62:00:40.61 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_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits (1st new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Image size: 938.1'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 15:24:55.641 +61:58:00.87 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 15:25:39.854 +62:00:40.61
Second-epoch image center 15:24:55.641 +61:58:00.87
Angular distance between the image centers 0.0972 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits (2nd new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Image size: 938.1'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 15:24:53.961 +61:58:32.52 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 15:25:39.854 +62:00:40.61
Second-epoch image center 15:24:53.961 +61:58:32.52
Angular distance between the image centers 0.0966 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  15:24:55.641 +61:58:00.87
Second-epoch second image center 15:24:53.961 +61:58:32.52
Angular distance between the image centers 0.00939 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/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits &> /tmp/tmp.ziSnX3pRCV
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits &> /tmp/tmp.8apT6HINd5
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits &> /tmp/tmp.xvU8mJBNRn
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits &> /tmp/tmp.gJlRaVZR6P
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Calibrating the magnitude scale
Found non-empty wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat 
Found non-empty wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat
The reference image (wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits) and catalog (wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat) found
'wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat' -> 'wcsmag.cat'
Read 8441 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.2366 to 250.7097 deg, Dec +55.9113 to +67.2630 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 212.2366 to 250.7097 deg, Dec 55.9113 to 67.2630 deg
Loaded 7134 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): 4748 out of 4924 total matches.
Matched with Tycho-2 4924 out of 8441 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.680200
a=0.000000 b=1.000000 c=22.680200
From vast_summary.log: estimated ref. image limiting mag.:  -7.15
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.53

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.53

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 8441 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.2366 to 250.7097 deg, Dec +55.9113 to +67.2630 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 212.2366 to 250.7097 deg, Dec 55.9113 to 67.2630 deg
Loaded 7134 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): 4748 out of 4924 total matches.
Matched with Tycho-2 4924 out of 8441 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Forced-photometry filter: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits -> calib.txt_param_ref_wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (aperture=6.3)
Read 8392 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.2365 to 250.7373 deg, Dec +55.9113 to +67.2631 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 212.2365 to 250.7373 deg, Dec 55.9113 to 67.2631 deg
Loaded 7144 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): 4752 out of 4916 total matches.
Matched with Tycho-2 4916 out of 8392 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Forced-photometry filter: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits -> calib.txt_param_ref_wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits (aperture=6.4)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 2 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.3 pix  Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
 2.3 pix  Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
 2.4 pix  fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
 2.3 pix  fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Limiting magnitude estimates:
 15.5 mag.  Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
 15.5 mag.  Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
 15.0 mag.  fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
 15.0 mag.  fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
All-image limiting magnitude estimate:  15.0 (SNR )  11.9 (80% of stars)  with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
cp: cannot create regular file 'local_wcs_cache/': Not a directory
############ /tmp/tmp.ziSnX3pRCV (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits' -> 'wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS_IMAGE_NAME=wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS-calibrated image found: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Checking if the catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits alredy exist and is non-empty...
Catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS catalog name: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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=506, bad_region=1819, passed=8441
Got 8441 stars (including 6205 good ones) from the SExtractor catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat 
util/solve_plate_with_UCAC5 got 8441 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4882 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 4876 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4876 matched stars entering correct_measured_positions(), 7004 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4883 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 7004 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4877 matched stars entering correct_measured_positions(), 7004 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 4877 stars left (next iteration limit 5363)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits N_match=4877 sigma_overall_arcsec=0.339 sigma_q1_arcsec=0.303 sigma_q2_arcsec=0.330 sigma_q3_arcsec=0.400 sigma_q4_arcsec=0.317 n_q1=1631 n_q2=927 n_q3=1506 n_q4=813 worst_quadrant_to_overall_ratio=1.181
WCS_HEADER_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits selection=current_pairs N_selected=4877 N_valid=4877 bias_ra_arcsec=-0.008 bias_dec_arcsec=-0.006 median_sep_arcsec=0.278 p95_sep_arcsec=0.859 n_q1=1631 n_q2=927 n_q3=1506 n_q4=813 occupied_cells_4x4=16/16
The image catalog is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits -region wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.8apT6HINd5 (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits' -> 'wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS_IMAGE_NAME=wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS-calibrated image found: wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Checking if the catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits alredy exist and is non-empty...
Catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS catalog name: wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.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=489, bad_region=1827, passed=8392
Got 8392 stars (including 6177 good ones) from the SExtractor catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat 
util/solve_plate_with_UCAC5 got 8392 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4885 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 4880 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 6943 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4885 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 6943 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4880 matched stars entering correct_measured_positions(), 6943 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4880 stars left (next iteration limit 5368)
Stop iterations.


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

SIP_REFIT: util/identify.sh trusts the WCS of wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits N_match=4880 sigma_overall_arcsec=0.341 sigma_q1_arcsec=0.311 sigma_q2_arcsec=0.346 sigma_q3_arcsec=0.399 sigma_q4_arcsec=0.317 n_q1=1634 n_q2=924 n_q3=1514 n_q4=808 worst_quadrant_to_overall_ratio=1.171
WCS_HEADER_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits selection=current_pairs N_selected=4880 N_valid=4880 bias_ra_arcsec=0.004 bias_dec_arcsec=-0.003 median_sep_arcsec=0.287 p95_sep_arcsec=0.872 n_q1=1634 n_q2=924 n_q3=1514 n_q4=808 occupied_cells_4x4=16/16
The image catalog is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits -region wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.xvU8mJBNRn (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.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=344, bad_region=1006, passed=5892
Got 5892 stars (including 4584 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat 
util/solve_plate_with_UCAC5 got 5892 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 56.0 to 67.2)
Done reading UCAC5 zone files...
Matched 4484 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4481 matched stars entering correct_measured_positions(), 4481 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4481 matched stars entering correct_measured_positions(), 5105 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 56.0 to 67.2)
Done reading UCAC5 zone files...
Matched 4484 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4481 matched stars entering correct_measured_positions(), 5105 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4481 matched stars entering correct_measured_positions(), 5105 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Excluding outliers - 4481 stars left (next iteration limit 4929)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4481 robust_rms=7.584 arcsec worst_region_rms=13.338 arcsec outer_annulus_rms=13.338 arcsec
SIP_REFIT: SIP order 3 trial: matched=4481 robust_rms=0.487 arcsec worst_region_rms=0.663 arcsec outer_annulus_rms=0.663 arcsec
SIP_REFIT: SIP order 5 trial: matched=4481 robust_rms=0.353 arcsec worst_region_rms=0.464 arcsec outer_annulus_rms=0.464 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4481 robust_rms_before=0.707 arcsec robust_rms_before_corrected=0.303 arcsec robust_rms_after=0.353 arcsec worst_region_rms_before=0.427 worst_region_rms_after=0.464 outer_annulus_rms_before=0.759 outer_annulus_rms_after=0.464
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.427 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits worst_region_rms_kept=0.427 arcsec robust_rms_kept=0.303 arcsec matched=4481
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits N_match=4481 sigma_overall_arcsec=0.311 sigma_q1_arcsec=0.315 sigma_q2_arcsec=0.308 sigma_q3_arcsec=0.305 sigma_q4_arcsec=0.329 n_q1=1526 n_q2=820 n_q3=1437 n_q4=698 worst_quadrant_to_overall_ratio=1.058
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits selection=current_pairs N_selected=4481 N_valid=4481 bias_ra_arcsec=0.437 bias_dec_arcsec=-0.107 median_sep_arcsec=0.609 p95_sep_arcsec=1.304 n_q1=1526 n_q2=820 n_q3=1437 n_q4=698 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.gJlRaVZR6P (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.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=352, bad_region=1003, passed=5802
Got 5802 stars (including 4498 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat 
util/solve_plate_with_UCAC5 got 5802 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 56.0 to 67.2)
Done reading UCAC5 zone files...
Matched 4402 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4400 matched stars entering correct_measured_positions(), 4400 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4400 matched stars entering correct_measured_positions(), 5014 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 56.0 to 67.2)
Done reading UCAC5 zone files...
Matched 4402 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4400 matched stars entering correct_measured_positions(), 5014 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4400 matched stars entering correct_measured_positions(), 5014 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 4400 stars left (next iteration limit 4840)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=4400 robust_rms=7.525 arcsec worst_region_rms=12.720 arcsec outer_annulus_rms=12.720 arcsec
SIP_REFIT: SIP order 3 trial: matched=4400 robust_rms=0.496 arcsec worst_region_rms=0.620 arcsec outer_annulus_rms=0.620 arcsec
SIP_REFIT: SIP order 5 trial: matched=4400 robust_rms=0.356 arcsec worst_region_rms=0.423 arcsec outer_annulus_rms=0.423 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4400 robust_rms_before=0.715 arcsec robust_rms_before_corrected=0.315 arcsec robust_rms_after=0.356 arcsec worst_region_rms_before=0.436 worst_region_rms_after=0.423 outer_annulus_rms_before=0.751 outer_annulus_rms_after=0.423
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.436 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits worst_region_rms_kept=0.436 arcsec robust_rms_kept=0.315 arcsec matched=4400
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits N_match=4400 sigma_overall_arcsec=0.320 sigma_q1_arcsec=0.305 sigma_q2_arcsec=0.321 sigma_q3_arcsec=0.330 sigma_q4_arcsec=0.338 n_q1=1504 n_q2=812 n_q3=1394 n_q4=690 worst_quadrant_to_overall_ratio=1.055
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits selection=current_pairs N_selected=4400 N_valid=4400 bias_ra_arcsec=0.438 bias_dec_arcsec=-0.131 median_sep_arcsec=0.619 p95_sep_arcsec=1.292 n_q1=1504 n_q2=812 n_q3=1394 n_q4=690 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Saving the final (post-refit) wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits to local_wcs_cache/
'wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits' -> 'local_wcs_cache/wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits'
Saving the final (post-refit) wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits to local_wcs_cache/
'wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits' -> 'local_wcs_cache/wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits'
Saving the final (post-refit) wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits to local_wcs_cache/
'wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits' -> 'local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits'
Saving the final (post-refit) wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits to local_wcs_cache/
'wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits' -> 'local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits'
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits sigma_overall=0.339 worst_q_ratio=1.181
ref2=Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits sigma_overall=0.341 worst_q_ratio=1.171
new1=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits sigma_overall=0.311 worst_q_ratio=1.058
new2=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits sigma_overall=0.320 worst_q_ratio=1.055
reference average sigma_overall=0.34 worst_q_ratio=1.176
warn-on-ratio threshold: 2.0x reference
###################################

Astrometric residual vector field (catalog-matched stars):

plot_astrometric_residuals_xy.py: wrote wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215_astrometric_residuals.png (4877 matched stars from wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.30 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216_astrometric_residuals.png (4880 matched stars from wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.30 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178_astrometric_residuals.png (4481 matched stars from wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.28 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179_astrometric_residuals.png (4400 matched stars from wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.29 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits'
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits'
Preparing the HTML report for the field Dra-06-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 15:57:33.07 +59:51:22.9:  11.98 +/- 0.01  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:57:33.07 +59:51:22.9:  11.97 +/- 0.01  detection
Forced photometry reference-image weighted average:  11.97 +/- 0.01
Forced photometry filter REJECTED candidate at 15:57:33.07 +59:51:22.9: ref_mag=11.97 +/- 0.01 new_mean_mag=12.2512 delta=-0.28 (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 20327_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 20327_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    12.23    15:57:33.05 +59:51:22.8   2333 4360   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    12.28    15:57:33.09 +59:51:22.9   2332 4365   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 20418_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 20418_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    12.20    15:27:28.55 +62:17:18.8   4605 3008   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:27:28.52 +62:17:18.5 in the exclusion list exclusion_list_bsc.txt ****
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Dra-06-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL

  ./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
  
SExtractor catalog cache: saved Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.cat to cache
SExtractor catalog cache: saved Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Creating symlink local_wcs_cache/wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Creating symlink local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Creating symlink local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits exists and is non-empty
wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (1st reference image)
verification OK: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Image size: 937.2'x624.2'  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: 15:25:39.854 +62:00:40.61 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_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits (1st new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Image size: 938.1'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 15:24:55.641 +61:58:00.87 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 15:25:39.854 +62:00:40.61
Second-epoch image center 15:24:55.641 +61:58:00.87
Angular distance between the image centers 0.0972 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits (2nd new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Image size: 938.1'x624.2'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 15:24:53.961 +61:58:32.52 J2000 4789.000 3195.000 
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 15:25:39.854 +62:00:40.61
Second-epoch image center 15:24:53.961 +61:58:32.52
Angular distance between the image centers 0.0966 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center  15:24:55.641 +61:58:00.87
Second-epoch second image center 15:24:53.961 +61:58:32.52
Angular distance between the image centers 0.00939 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/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits &> /tmp/tmp.yH4Vb7VyBH
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits &> /tmp/tmp.go8CDlAwms
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits &> /tmp/tmp.7kVu280oE7
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits &> /tmp/tmp.hEPkFyD6pk
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Calibrating the magnitude scale
Found non-empty wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat 
Found non-empty wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits and wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat
The reference image (wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits) and catalog (wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat) found
'wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat' -> 'wcsmag.cat'
Read 43673 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.1497 to 251.0234 deg, Dec +55.8902 to +67.2772 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 212.1497 to 251.0234 deg, Dec 55.8902 to 67.2772 deg
Loaded 7254 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): 4533 out of 4976 total matches.
Matched with Tycho-2 4976 out of 43673 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.561700
a=0.000000 b=1.000000 c=22.561700
From vast_summary.log: estimated ref. image limiting mag.:  -6.86
Updating vast_summary.log: Estimated ref. image limiting mag.:  15.70

Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed!  =)
Estimated ref. image limiting mag.:  15.70

Lightcurve magnitude calibration plot:


Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 43673 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.1497 to 251.0234 deg, Dec +55.8902 to +67.2772 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 212.1497 to 251.0234 deg, Dec 55.8902 to 67.2772 deg
Loaded 7254 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): 4533 out of 4976 total matches.
Matched with Tycho-2 4976 out of 43673 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Forced-photometry filter: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits -> calib.txt_param_ref_wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (aperture=4.9)
Read 43634 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 212.1487 to 250.9057 deg, Dec +55.8905 to +67.2680 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 212.1487 to 250.9057 deg, Dec 55.8905 to 67.2680 deg
Loaded 7221 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): 4534 out of 4973 total matches.
Matched with Tycho-2 4973 out of 43634 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits via Tycho-2

Single-image forced-photometry magnitude calibration plot for wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits:


Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Forced-photometry filter: calibrated wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits -> calib.txt_param_ref_wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits (aperture=4.9)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 18 candidate transients before the final filtering.  (Hard limit: 10000)
Median FWHM seeing for isolated stars:
 2.2 pix  Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
 2.2 pix  Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
 2.4 pix  fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
 2.3 pix  fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Limiting magnitude estimates:
 15.7 mag.  Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
 15.7 mag.  Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
 15.1 mag.  fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
 15.2 mag.  fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
All-image limiting magnitude estimate:  15.1 (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.yH4Vb7VyBH (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits' -> 'wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS_IMAGE_NAME=wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS-calibrated image found: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
Checking if the catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits alredy exist and is non-empty...
Catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits
WCS catalog name: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.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=17, blended=2064, bad_region=6994, passed=43656
Got 43656 stars (including 34917 good ones) from the SExtractor catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat 
util/solve_plate_with_UCAC5 got 43656 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4874 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 4868 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 38366 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4874 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 38366 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4868 matched stars entering correct_measured_positions(), 38366 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 4868 stars left (next iteration limit 5354)
Stop iterations.


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

SIP_REFIT: wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits N_match=4868 sigma_overall_arcsec=0.333 sigma_q1_arcsec=0.303 sigma_q2_arcsec=0.332 sigma_q3_arcsec=0.389 sigma_q4_arcsec=0.321 n_q1=1634 n_q2=961 n_q3=1457 n_q4=816 worst_quadrant_to_overall_ratio=1.168
WCS_HEADER_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits selection=current_pairs N_selected=4868 N_valid=4868 bias_ra_arcsec=-0.013 bias_dec_arcsec=0.004 median_sep_arcsec=0.269 p95_sep_arcsec=0.866 n_q1=1634 n_q2=961 n_q3=1457 n_q4=816 occupied_cells_4x4=16/16
The image catalog is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits -region wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.go8CDlAwms (6) ############
Parsing command line arguments...
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits 571.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits' -> 'wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS_IMAGE_NAME=wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS-calibrated image found: wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
Checking if the catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits alredy exist and is non-empty...
Catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat corresponding to the image wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits
WCS catalog name: wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.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=22, blended=2012, bad_region=6972, passed=43612
Got 43612 stars (including 34952 good ones) from the SExtractor catalog wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat 
util/solve_plate_with_UCAC5 got 43612 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 937.2'
Seting catalog search parameters based on the expected field of view 937.2 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013017 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010413 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4872 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 4867 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 38361 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4872 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 38361 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Accuracy estimation diagnostic: 4867 matched stars entering correct_measured_positions(), 38361 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.32" 
Excluding outliers - 4867 stars left (next iteration limit 5353)
Stop iterations.


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

SIP_REFIT: wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits N_match=4867 sigma_overall_arcsec=0.333 sigma_q1_arcsec=0.301 sigma_q2_arcsec=0.336 sigma_q3_arcsec=0.386 sigma_q4_arcsec=0.318 n_q1=1637 n_q2=939 n_q3=1466 n_q4=825 worst_quadrant_to_overall_ratio=1.160
WCS_HEADER_DIAG: file=Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits selection=current_pairs N_selected=4867 N_valid=4867 bias_ra_arcsec=-0.008 bias_dec_arcsec=0.006 median_sep_arcsec=0.280 p95_sep_arcsec=0.881 n_q1=1637 n_q2=939 n_q3=1466 n_q4=825 occupied_cells_4x4=16/16
The image catalog is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/reference_imgs/Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits -region wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.7kVu280oE7 (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=8, blended=1273, bad_region=3780, passed=30222
Got 30222 stars (including 25350 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat 
util/solve_plate_with_UCAC5 got 30222 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.2)
Done reading UCAC5 zone files...
Matched 4843 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4837 matched stars entering correct_measured_positions(), 4837 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4837 matched stars entering correct_measured_positions(), 27433 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.2)
Done reading UCAC5 zone files...
Matched 4843 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 27433 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Accuracy estimation diagnostic: 4834 matched stars entering correct_measured_positions(), 27433 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.29" 
Excluding outliers - 4834 stars left (next iteration limit 5320)
Stop iterations.


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

SIP_REFIT: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4834 robust_rms=7.390 arcsec worst_region_rms=13.238 arcsec outer_annulus_rms=13.238 arcsec
SIP_REFIT: SIP order 3 trial: matched=4834 robust_rms=0.493 arcsec worst_region_rms=0.682 arcsec outer_annulus_rms=0.682 arcsec
SIP_REFIT: SIP order 5 trial: matched=4834 robust_rms=0.354 arcsec worst_region_rms=0.460 arcsec outer_annulus_rms=0.460 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4834 robust_rms_before=0.713 arcsec robust_rms_before_corrected=0.305 arcsec robust_rms_after=0.354 arcsec worst_region_rms_before=0.450 worst_region_rms_after=0.460 outer_annulus_rms_before=0.754 outer_annulus_rms_after=0.460
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.450 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits worst_region_rms_kept=0.450 arcsec robust_rms_kept=0.305 arcsec matched=4834
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits N_match=4834 sigma_overall_arcsec=0.309 sigma_q1_arcsec=0.322 sigma_q2_arcsec=0.310 sigma_q3_arcsec=0.296 sigma_q4_arcsec=0.323 n_q1=1667 n_q2=856 n_q3=1584 n_q4=727 worst_quadrant_to_overall_ratio=1.046
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits selection=current_pairs N_selected=4834 N_valid=4834 bias_ra_arcsec=0.434 bias_dec_arcsec=-0.104 median_sep_arcsec=0.609 p95_sep_arcsec=1.297 n_q1=1667 n_q2=856 n_q3=1584 n_q4=727 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
############ /tmp/tmp.hEPkFyD6pk (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.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=10, blended=1313, bad_region=3797, passed=30820
Got 30820 stars (including 25909 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat 
util/solve_plate_with_UCAC5 got 30820 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.1'
Seting catalog search parameters based on the expected field of view 938.1 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013029 (46.9 arcsec)
                    catalog_search_parameters->brightest_mag= 1.00
                    catalog_search_parameters->faintest_mag= 13.50
                    catalog_search_parameters->search_radius_second_step_deg 0.010423 (37.5 arcsec)

ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.2)
Done reading UCAC5 zone files...
Matched 4842 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4836 matched stars entering correct_measured_positions(), 4836 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.30" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4836 matched stars entering correct_measured_positions(), 28027 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
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.2)
Done reading UCAC5 zone files...
Matched 4841 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 28027 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Accuracy estimation diagnostic: 4835 matched stars entering correct_measured_positions(), 28027 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.31" 
Excluding outliers - 4835 stars left (next iteration limit 5319)
Stop iterations.


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

SIP_REFIT: wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits is a symbolic link - will not rewrite the WCS of whatever it points to, but will still refit the output catalog positions
SIP_REFIT: SIP order 2 trial: matched=4835 robust_rms=7.387 arcsec worst_region_rms=12.313 arcsec outer_annulus_rms=12.313 arcsec
SIP_REFIT: SIP order 3 trial: matched=4835 robust_rms=0.502 arcsec worst_region_rms=0.637 arcsec outer_annulus_rms=0.637 arcsec
SIP_REFIT: SIP order 5 trial: matched=4835 robust_rms=0.358 arcsec worst_region_rms=0.426 arcsec outer_annulus_rms=0.426 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4835 robust_rms_before=0.713 arcsec robust_rms_before_corrected=0.319 arcsec robust_rms_after=0.358 arcsec worst_region_rms_before=0.457 worst_region_rms_after=0.426 outer_annulus_rms_before=0.746 outer_annulus_rms_after=0.426
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.457 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits worst_region_rms_kept=0.457 arcsec robust_rms_kept=0.319 arcsec matched=4835
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits N_match=4835 sigma_overall_arcsec=0.326 sigma_q1_arcsec=0.308 sigma_q2_arcsec=0.324 sigma_q3_arcsec=0.331 sigma_q4_arcsec=0.327 n_q1=1667 n_q2=853 n_q3=1582 n_q4=733 worst_quadrant_to_overall_ratio=1.015
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits selection=current_pairs N_selected=4835 N_valid=4835 bias_ra_arcsec=0.434 bias_dec_arcsec=-0.131 median_sep_arcsec=0.611 p95_sep_arcsec=1.296 n_q1=1667 n_q2=853 n_q3=1582 n_q4=733 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
FORCED_PHOTOMETRY_CALIBRATION_METHOD=tycho2 - not using remote photometric catalogs, just stick with astrometry
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Preparing the HTML report for the field Dra-06-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 15:47:01.09 +57:40:18.8:  13.10 +/- 0.03  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 15:12:09.55 +60:33:20.0:  14.06 +/- 0.05  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 16:18:46.60 +59:17:18.0:  13.13 +/- 0.03  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 15:58:55.08 +57:36:00.0:  15.11 +/- 0.17  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 16:14:14.89 +65:19:12.3:  15.44 +/- 0.22  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:47:01.09 +57:40:18.8:  13.12 +/- 0.02  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:12:09.55 +60:33:20.0:  13.96 +/- 0.05  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 16:18:46.60 +59:17:18.0:  13.17 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.11 +/- 0.02
Forced photometry reference-image weighted average:  14.00 +/- 0.04
Forced photometry filter REJECTED candidate at 15:12:09.55 +60:33:20.0: ref_mag=14.00 +/- 0.04 new_mean_mag=14.3120 delta=-0.31 (need > 0.90)
Forced photometry filter REJECTED candidate at 15:47:01.09 +57:40:18.8: ref_mag=13.11 +/- 0.02 new_mean_mag=13.2293 delta=-0.12 (need > 0.90)
Forced photometry reference-image weighted average:  13.15 +/- 0.02
Forced photometry filter REJECTED candidate at 16:18:46.60 +59:17:18.0: ref_mag=13.15 +/- 0.02 new_mean_mag=13.2648 delta=-0.11 (need > 0.90)
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:58:55.08 +57:36:00.0:  15.19 +/- 0.18  detection
Forced photometry reference-image weighted average:  15.15 +/- 0.12
Forced photometry filter REJECTED candidate at 15:58:55.08 +57:36:00.0: ref_mag=15.15 +/- 0.12 new_mean_mag=14.7602 delta=0.39 (need > 0.90)
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 16:14:14.89 +65:19:12.3:  15.27 +/- 0.19  detection
Forced photometry reference-image weighted average:  15.34 +/- 0.15
Forced photometry filter REJECTED candidate at 16:14:14.89 +65:19:12.3: ref_mag=15.34 +/- 0.15 new_mean_mag=14.6145 delta=0.72 (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
  
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Considering the candidate 52680_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52680_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    14.38    15:12:09.73 +60:33:20.1   5748 4009   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    14.27    15:12:09.37 +60:33:19.9   5747 4014   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
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Considering the candidate 52684_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52684_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    14.22    16:12:56.91 +63:57:21.0   1584 1749   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

Rejecting candidate due to large distance (18.1") between the two second-epoch detections
  
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Considering the candidate 52692_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52692_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    13.22    15:47:01.10 +57:40:18.6   3040 5753   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    13.24    15:47:01.09 +57:40:19.0   3038 5759   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
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Considering the candidate 52694_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52694_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    13.18    16:18:46.59 +59:17:18.5   0655 4465   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    13.40    16:18:46.61 +59:17:17.5   0653 4470   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
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Considering the candidate 52834_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52834_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    12.47    16:02:03.77 +58:36:01.9   1891 5085   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  16:02:03.81 +58:36:01.7 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 52974_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 52974_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.11    15:25:14.53 +58:59:21.4   4790 5001   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:25:14.49 +58:59:21.2 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 53043_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53043_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.47    16:00:25.72 +62:06:03.7   2278 2989   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  16:00:25.69 +62:06:04.0 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 53075_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53075_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.28    14:51:18.66 +59:19:23.1   7398 4592   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  14:51:18.47 +59:19:24.1 in the exclusion list exclusion_list_bsc.txt ****
  
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Considering the candidate 53076_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53076_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.70    16:02:05.91 +58:35:23.5   1887 5091   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  16:02:05.68 +58:35:26.9 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 53183_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53183_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.70    14:54:01.46 +59:29:41.3   7176 4517   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  14:54:01.45 +59:29:41.5 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53192_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53192_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.64    15:39:48.44 +64:41:03.8   3800 1545   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:39:48.46 +64:41:02.7 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53217_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53217_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.91    15:19:39.00 +60:13:55.9   5199 4238   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:19:38.99 +60:13:56.2 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53257_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53257_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.96    16:08:04.67 +62:15:50.2   1753 2818   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  16:08:04.56 +62:15:49.9 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53277_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53277_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    13.81    15:05:39.61 +64:02:44.7   6040 1874   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:05:39.60 +64:02:44.4 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53326_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53326_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 2     2026 10 18.14479    2461331.64479    14.27    15:34:07.99 +60:18:31.8   4114 4202   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

**** FOUND  15:34:07.95 +60:18:31.6 in the exclusion list exclusion_list.txt ****
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53419_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53419_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    14.53    16:14:14.88 +65:19:11.7   1643 0909   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    14.80    16:14:14.89 +65:19:12.9   1642 0915   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53474_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 53474_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 1     2026 10 18.14432    2461331.64432    14.72    15:58:54.92 +57:35:59.4   2070 5715   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Discovery image 2     2026 10 18.14479    2461331.64479    14.81    15:58:55.23 +57:36:00.6   2068 5720   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 05411_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179
The candidate 05411_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179 did not pass the final checks
Discovery image 3     2026 10 18.14479    2461331.64479    13.25    14:44:10.26 +65:40:07.0   7286 0709   /data_ssd/NMW-TexasTech/workdir//img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits

Rejecting candidate due to large distance (33.3") between the two second-epoch detections
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 1s
Prepared the HTML report for the field Dra-06-Q2b1x1 with default.sex.telephoto_lens_vSTL
*------ done with default.sex.telephoto_lens_vSTL ------*
#### The local exclusion list is exclusion_list_local.txt ####
Source monitoring: measuring positions from /data_ssd/NMW-TexasTech/workdir/img_2026-10-17_CI_Dra-06-Q2b1x1_231331_TTUQ2b1x1_3934827_knRUhZKZ/monitoring_positions.txt
Source monitoring: positions closer than 100 pix to a frame edge are recorded as edge
Read 30230 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 211.7663 to 250.5642 deg, Dec +55.8959 to +67.2362 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 211.7663 to 250.5642 deg, Dec 55.8959 to 67.2362 deg
Loaded 7162 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): 4665 out of 4947 total matches.
Matched with Tycho-2 4947 out of 30230 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Observation time (mid-exposure, UTC): JD 2461331.64432 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 231.23357 deg  Dec= +61.96775 deg
Frame center: alt= +22.742 deg  az= 325.849 deg  airmass= 2.5673
Header cross-check: CENTALT= 22.821 deg (difference -0.080 deg)
Header cross-check: AIRMASS= 2.5641 (we compute 2.5673)
Airmass zero-point fit: OK  k= +0.2871 +/- 0.0065 mag/airmass  N= 3603  airmass span 1.8808-4.1135  scatter 0.1834 mag
Source monitoring: airmass zero-point for wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits: OK +0.731181 -0.287121 2.5673 +0.2871 3603 2.2327 0.1834 1.8808 4.1135
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits list=monitoring_pixlist3935154.tmp aperture=5.2
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 22.521100
Local star coverage test: 30230 stars in wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits.wcscat, test radius 302 pix (0.50 deg), 147.1 stars per circle at the frame's mean density
Forced photometry: center=(6764.07, 448.28) aperture=5.2
Annulus: inner=10.40 outer=26.00 edge margin=100.00
Background annulus: 1782 pixels
Iterative clipping converged after 1 iterations, 1776/1782 pixels remain
SExtractor background: mode=921.04 median=921.00 mean=920.97 sigma=47.88 -> bg=921.04 (1776 pixels)
Aperture sum=19632.91 N_eff=21.2372
Net flux=72.67 noise=220.64 SNR=0.33
Instrumental magnitude: -7.0520
Calibrated magnitude: 15.4691
Local star coverage at (6764.07, 448.28): 116 catalog stars within 302 pix, 147.1 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits
Source monitoring: 1 position(s) measured on wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-27-38_20.00sec_-0.00C_LIGHT_0178.fits (aperture 5.2 pix)
Read 30830 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 211.7605 to 250.5639 deg, Dec +55.9040 to +67.2415 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 211.7605 to 250.5639 deg, Dec 55.9040 to 67.2415 deg
Loaded 7155 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): 4670 out of 4947 total matches.
Matched with Tycho-2 4947 out of 30830 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Observation time (mid-exposure, UTC): JD 2461331.64479 (FITS header)
Observing site: lat= +33.748292 deg  lon= -101.958319 deg east-positive (SITELAT/SITELONG FITS header keywords)
Frame center (pixel 4788.5 3194.5): RA= 231.22657 deg  Dec= +61.97654 deg
Frame center: alt= +22.673 deg  az= 325.907 deg  airmass= 2.5746
Header cross-check: CENTALT= 22.753 deg (difference -0.080 deg)
Header cross-check: AIRMASS= 2.5713 (we compute 2.5746)
Airmass zero-point fit: OK  k= +0.2995 +/- 0.0066 mag/airmass  N= 3594  airmass span 1.8906-4.1731  scatter 0.1874 mag
Source monitoring: airmass zero-point for wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits: OK +0.757508 -0.299490 2.5746 +0.2995 3594 2.2825 0.1874 1.8906 4.1731
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits list=monitoring_pixlist3935154.tmp aperture=5.0
Image size: 9576 x 6388
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
Saturation level: 57000.0
Calibration (from calib.txt_param_monitoring, fit_function=3): cal_mag = 0.000000 * x^2 + 1.000000 * x + 22.505300
Local star coverage test: 30830 stars in wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits.wcscat, test radius 302 pix (0.50 deg), 150.1 stars per circle at the frame's mean density
Forced photometry: center=(6762.19, 453.65) aperture=5.0
Annulus: inner=10.00 outer=25.00 edge margin=100.00
Background annulus: 1646 pixels
Iterative clipping converged after 3 iterations, 1641/1646 pixels remain
SExtractor background: mode=920.92 median=923.00 mean=924.39 sigma=49.16 -> bg=920.92 (1641 pixels)
Aperture sum=18605.42 N_eff=19.6350
Net flux=523.24 noise=217.81 SNR=2.40
Instrumental magnitude: -7.0380
Calibrated magnitude: 15.4673
Local star coverage at (6762.19, 453.65): 123 catalog stars within 302 pix, 150.1 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits
Source monitoring: 1 position(s) measured on wcs_fd_Dra-06-Q2b1x1_2026-10-17_22-28-20_20.00sec_-0.00C_LIGHT_0179.fits (aperture 5.0 pix)
########### Completed Dra-06-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)2461331.64431632 -observatory V36
15:00:14.39 -20:22:28.3 Mercury (0.1mag)
13:56:06.17 -19:39:50.7 Venus (-4.1mag)
08:55:16.48 +18:44:42.1 Mars (1.0mag)
09:38:32.33 +14:46:00.1 Jupiter (-1.9mag)
00:40:32.44 +01:25:04.8 Saturn (0.4mag)
04:11:19.16 +20:56:01.4 Uranus (5.6mag)
00:09:42.13 -00:29:43.4 Neptune (7.7mag)
20:24:09.40 -23:43:18.3 Pluto (14.5mag)
19:20:15.81 -26:00:39.7 Moon (-10.2mag)
-rw-r--r-- 1 apache apache 362 Oct 17 23:15 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461331.64431632:
09:38:32.58 +14:45:59.4 Io (6.1mag)
09:38:37.35 +14:45:31.4 Europa (6.2mag)
09:38:42.94 +14:45:01.3 Ganymede (5.6mag)
09:39:02.31 +14:43:15.1 Callisto (6.9mag)
09:38:47.37 +15:04:16.4 Himalia (15.6mag)
09:38:29.51 +14:46:15.6 Thebe (16.4mag)
09:37:26.22 +15:09:03.9 Elara (17.5mag)
09:40:32.03 +14:09:29.8 Pasiphae (17.8mag)
09:36:39.84 +15:14:42.4 Carme (18.8mag)
00:40:40.04 +01:24:32.8 Titan (8.2mag)
00:40:26.62 +01:24:55.3 Rhea (9.6mag)
00:40:18.80 +01:22:39.7 Iapetus (11.0mag)
00:40:41.76 +01:24:26.4 Hyperion (14.1mag)
00:38:48.90 +01:12:39.9 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct 17 23:15 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461331.64431632:
03:29:05.95 +20:43:01.1 JWST
10:02:09.38 +35:22:16.8 Chandra
05:14:18.04 +43:23:34.7 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct 17 23:15 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461331.64431632 -observatory V36
03:43:38.64 +20:11:30.1 17.1mag P/1996 R2 (Lagerkvist)
18:31:00.04 -33:19:51.6 14.8mag P/2010 H2 (Vales)
07:42:14.25 -72:50:51.0 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:14:57.15 +34:50:49.1 17.7mag C/2017 K2 (PANSTARRS)
04:48:09.66 +48:23:15.7 17.4mag P/2021 N1 (ZTF)
07:32:32.01 +25:23:57.7 16.9mag C/2022 N2 (PANSTARRS)
09:04:48.22 +36:25:01.5 16.3mag C/2024 E1 (Wierzchos)
18:28:40.40 +41:15:11.6 17.4mag C/2024 J3 (ATLAS)
05:46:12.33 -13:39:10.4 16.5mag C/2024 T5 (ATLAS)
12:29:52.43 +15:26:33.4 16.0mag C/2025 V2 (Rankin)
13:57:53.50 -03:16:54.1 16.5mag C/2025 Y1 (ATLAS)
19:10:24.36 +62:17:05.9 15.6mag C/2026 A2 (Bok)
02:28:27.47 +42:14:32.7 17.9mag C/2026 B2 (Sun-Gao)
12:52:08.67 +14:58:12.8 17.7mag A/2026 E1
16:27:48.95 -43:40:07.6 13.2mag P/2026 R2 (Leonard)
00:09:54.63 +17:51:35.1 17.4mag 2P/Encke
23:05:58.20 -30:07:16.0 14.8mag 10P/Tempel
02:19:56.26 +37:14:42.5 16.6mag 11P/Tempel-Swift-LINEAR
12:15:43.57 -08:42:51.9 16.3mag 29P/Schwassmann-Wachmann
00:18:18.73 -09:01:45.0 15.7mag 65P/Gunn
07:44:16.48 +15:17:11.6 13.9mag 78P/Gehrels
02:52:57.79 +13:59:29.4 17.8mag 88P/Howell
10:17:53.90 +15:59:23.1 17.3mag 93P/Lovas
08:03:28.78 +42:05:50.2 17.0mag 112P/Urata-Niijima
09:17:59.37 +11:41:52.0 17.7mag 114P/Wiseman-Skiff
11:54:46.64 +11:42:58.1 14.8mag 123P/West-Hartley
14:23:54.53 -34:04:57.6 17.9mag 124P/Mrkos
20:50:58.86 +08:07:59.8 9.7mag 161P/Hartley-IRAS
10:35:11.95 +00:06:42.3 14.9mag 169P/NEAT
03:25:01.07 +03:46:12.2 14.9mag 220P/McNaught
06:12:31.05 +46:39:34.6 15.4mag 260P/McNaught
07:37:06.37 +25:26:38.2 17.8mag 266P/Christensen
-rw-r--r-- 1 apache apache 1.6K Oct 17 23:15 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
21:50:55.86 -02:51:49.30  SN2026acyb  2026-10-9.85 16.83
03:40:34.04 +02:31:56.70  SN2026acvp  2026-10-9.95 17.75
04:33:25.91 -13:41:04.20  SN2026adhl  2026-10-9.94 17.52
09:20:05.05 +27:03:12.40  SN2026aeif  2026-10-9.47 15.93
02:58:07.77 -65:18:52.90  ASASSN-26fl  2026-10-7.9 -0.85
02:49:03.98 -49:55:57.00  SN 2026adfy  2026-10-4.88 16.61
22:03:46.31 -11:07:57.70  AT2026adgn  2026-10-4.28 -2.56
15:03:12.98 +49:51:05.40  ASASSN-26fj  2026-10-2.06 15.91
08:07:27.96 -65:51:03.90  ASASSN-26fi  2026-10-1.36 15.82
21:02:34.66 +23:57:26.20  ASASSN-26fh  2026-10-1.27 15.94
20:00:16.62 +03:26:29.90  AT2026adfv  2026-10-1.3 16.42
00:08:42.74 -32:33:16.50  SN2026abhc  2026-09-29.15 15.57
21:02:30.26 -19:27:41.80  SN2026acxa  2026-09-29.13 14.65
04:39:17.45 -28:06:12.40  ASASSN-26fg  2026-09-23.25 15.73
05:25:07.80 +04:38:32.40  SN2026aajs  2026-09-21.32 17.04
19:56:12.67 +08:25:27.70  AT2026acgs  2026-09-18.14 15.84
00:02:34.07 +52:55:19.10  ASASSN-26ff  2026-09-16.43 15.37
23:44:33.18 +17:46:12.20  SN2026yjv  2026-09-15.38 18.32
16:21:12.24 +57:37:51.30  SN 2026aafh  2026-09-14.11 15.02
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi  2026-09-12.99 16.58
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs  2026-09-13.47 17
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars  2026-09-12.27 16.93
02:47:25.52 -32:58:34.50  SN 2026znh  2026-09-9.92 16.26
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc  2026-09-8.79 12.14
03:52:53.26 -14:19:28.70  SN 2026zfw  2026-09-8 17.78
01:53:26.46 +10:07:25.10  SN2026aacj  2026-09-7.17 16.27
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.59 +34:24:35.70  SN2026aaiv  2026-09-7.22 13.48
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa  2026-08-31.18 14.63
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.74 -22:25:28.60  V8055  2026-08-30.22 10.89
17:17:45.96 +64:31:40.10  ASASSN-26ez  2026-08-25.13 10.87
19:02:47.09 +58:08:21.00  AT2026zwo  2026-08-24.16 15.78
04:20:07.58 -42:26:59.90  AT2026zjy  2026-08-23.03 15.91
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid  2026-08-22.82 15.13
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn  2026-08-16.3 17.09
23:01:28.67 -61:00:39.00  SN 2026yib  2026-08-14.85 17.36
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew  2026-08-13.82 14.73
13:53:14.21 +00:26:52.00  SN 2026wkv  2026-08-10.12 15.83
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.87 +49:28:49.80  SN2026wjs  2026-08-9.35 17.12
16:03:20.92 +17:43:23.70  AT2026xau  2026-08-9.3 17.71
01:10:22.05 -09:34:08.50  SN2026weo  2026-08-7.46 15.76
00:56:54.35 -35:55:29.40  AT2026wdy  2026-08-5.05 16.08
22:08:07.63 -53:03:58.90  AT2026wek  2026-08-3.82 17.17
14:51:51.34 +66:13:24.60  ASASSN-26ev  2026-08-2.15 14.02
12:06:50.79 -36:16:06.20  SN2026wgm  2026-08-1.73 15.61
16:56:36.90 -59:29:26.00  ASASSN-26er  2026-07-25.82 15.09
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep  2026-07-23.47 -4.06
12:18:47.98 -30:48:47.50  ASASSN-26et  2026-07-22.76 13.98
13:00:47.82 +15:42:17.60  SN2026uwk  2026-07-21.75 16.38
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu  2026-07-20.93 14.86
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo  2026-07-19.36 16.16
04:50:01.03 -02:22:33.80  ASASSN-26ej  2026-07-16.17 17.02
18:34:55.28 -31:41:00.90  ASASSN-26ek  2026-07-16.24 15.73
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei  2026-07-16.17 16.46
10:00:46.44 -32:36:31.10  AT 2023mhb  2026-07-14.73 16.67
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh  2026-07-14.72 16.58
19:33:53.06 -07:15:00.80  ASASSN-22le  2026-07-14.15 15.5
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb  2026-07-11.28 -1.29
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil  2026-07-9.3 16.15
20:21:30.50 -32:03:40.10  ASASSN-26ee  2026-07-7.22 15.53
19:37:44.09 -05:35:42.80  AT2026ryu  2026-07-7.17 14.88
11:06:55.46 -04:07:04.50  AT2026qqg  2026-07-5.01 16.82
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea  2026-07-5.07 16.67
19:59:01.43 -32:07:34.30  ASASSN-26eb  2026-07-4.97 15.52
18:46:50.35 -57:44:13.20  SN 2026qqp  2026-07-5.03 -0.92
19:17:31.69 -39:55:29.90  ASASSN-26dz  2026-07-5.14 15.91
19:14:31.37 +12:03:52.90  AT 2026rdg  2026-07-3.43 11.81
04:05:50.09 -70:24:34.40  AT 2026qpr  2026-06-30.4 15.96
13:45:37.49 -05:59:35.80  SN 2026pub  2026-06-30.09 16.01
-rw-r--r-- 1 apache apache 5.7K Oct 17 23:15 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
00:42:52.83 +41:10:59.6  PNV J00425283+4110596  2026-08-18.6119  19.3mag
18:25:12.76 -22:25:29.3  TCP J18251276-2225293  2026-08-19.1062  9.4mag
18:03:09.04 +12:18:14.0  TCP J18030904+1218140  2026-08-19.5199  14.9mag
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
00:38:15.01 +41:14:47.2  TCP J00381501+4114472  2026-10-08.5978  17.72Cmag
01:06:05.83 +09:51:20.4  TCP J01060583+0951204  2026-10-10.8543  14.54Cmag
17:54:18.76 -27:36:36.2  TCP J17541876-2736362  2026-10-12.3993  10.8mag
09:56:00.79 +69:06:15.2  PNV J09560079+6906152  2026-10-14.9274  19.38Cmag
00:43:30.83 +41:26:55.3  PNV J00433083+4126553  2026-10-17.5651  18.61Cmag
-rw-r--r-- 1 apache apache 191K Oct 17 23:15 tocp_transients_list.txt
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Truncated list of recent TNS transients from https://www.wis-tns.org/ :
19:56:34.057 -38:06:02.65  AT 2026admb  2026-09-29.26 17.441
21:11:46.917 -18:39:21.23  AT 2026adma  2026-09-30.25 19.048
23:46:20.286 +25:38:18.08  AT 2026adlz  2026-10-01.22 19.5529
23:42:44.589 +09:35:30.06  AT 2026adly  2026-09-23.41 19.8987
23:52:26.635 -14:02:49.30  AT 2026adlx  2026-09-30.34 19.438
22:41:52.664 +17:42:20.48  AT 2026adlw  2026-10-01.23 19.435
19:50:54.107 +01:04:30.19  AT 2026adlv  2026-09-29.13 20.1867
17:48:10.167 +61:21:38.28  AT 2026adlu  2026-10-01.13 19.8833
15:57:50.638 +64:00:21.41  SN 2026adlt  2026-10-01.12 19.1733
21:40:50.696 +30:03:31.70  AT 2026adls  2026-09-23.17 20.2316
16:53:05.148 -16:17:35.33  AT 2026adlr  2026-10-01.11 19.4361
16:59:48.022 +32:25:42.51  AT 2026adlq  2026-10-01.12 19.1929
17:01:14.815 +32:03:00.95  AT 2026adlp  2026-08-08.34 21.51
01:08:57.894 +37:28:51.31  AT 2026adlo  2026-08-09.60 21.07
17:22:58.825 -01:42:06.19  AT 2026adln  2026-08-11.30 21.48
01:51:54.295 -07:41:39.60  AT 2026adlm  2026-08-11.55 20.55
23:54:41.347 -08:28:48.23  AT 2026adll  2026-08-13.47 20.7
01:51:09.077 -10:28:35.56  AT 2026adlk  2026-08-13.58 21.09
01:19:13.615 -15:17:20.08  AT 2026adlj  2026-08-12.57 21.5
21:47:01.863 -40:59:10.77  AT 2026adli  2026-09-04.34 20.42
-rw-r--r-- 1 apache apache 89K Oct 17 23:15 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Sat Oct 17 23:15:32 CDT 2026
=======================================
TIMING SExtractor: 2 seconds
TIMING matching_and_photometry: 0 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 3s (0.05 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 22s (0.37 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 4s (0.07 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 1s (0.02 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 1s (0.02 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 2s (0.03 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 1s (0.02 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 34s (0.57 min)
TIMING SExtractor: 7 seconds
TIMING matching_and_photometry: 2 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 1 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 11s (0.18 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 1s (0.02 min)
    PLATE_VERIFY_AND_POINTING: 0s (0.00 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 8s (0.13 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 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: 22s (0.37 min)
FIELD_Dra-06-Q2b1x1: 71s (1.18 min)
=======================================
TOTAL_RUNTIME: 77s (1.28 min)
Finished: Sat Oct 17 23:16:49 CDT 2026