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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Field Dra-06-Q2b1x1 second-epoch image: Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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: 2461337.67837315 24.10.2026 04:16:41.440   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
JD time system (TT/UTC/UNKNOWN): UTC
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: 4 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):  6245
Objects passed selection criteria:  6211
Measurements per detected object (mean, median, min, max):    2.6    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.6    2.0    2    4
Average stars detected per image: 4223.5
Average stars matched: 4130.25 (97.7921 %)
Memory usage VmPeak:   233236 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 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Oct 23 23:21:53 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: 2461337.67837315 24.10.2026 04:16:41.440   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 46
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):  34082
Objects passed selection criteria:  33978
Measurements per detected object (mean, median, min, max):    2.8    2.0    2    4
Measurements per selected object (mean, median, min, max):    2.8    2.0    2    4
Average stars detected per image: 24836.8
Average stars matched: 24075.5 (96.935 %)
Memory usage VmPeak:   259472 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 5.3.20(1)-release (x86_64-pc-linux-gnu)
Processing completed on  Fri Oct 23 23:22:48 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: 473452 MB at /data_ssd/NMW-TexasTech/workdir
server tau has sufficient free disk space available: 473452 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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.png' -> 'transient_report/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits_preview.png'

Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits


renamed 'Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.png' -> 'transient_report/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits_preview.png'

Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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= 4786.8549
INFO:            SECOND_EPOCH__FIRST_IMAGE_SD= 1057.4833
INFO:   SECOND_EPOCH__SECOND_IMAGE_MEAN_VALUE= 4801.6072
INFO:           SECOND_EPOCH__SECOND_IMAGE_SD= 1060.8722
----------------------------------------------
INFO:      ref_to_second_epoch_img_mean_ratio= 11.5464
INFO:                  SECOND_EPOCH__SD_ratio= 0.003
INFO: the new-to-reference mean image value ratio check is disabled (DISABLE_NEW_TO_REF_MEAN_IMG_RATIO_CHECK=yes) - expected with a background-subtracted reference image
----------------------------------------------
Calibration settings: DARK_FRAMES_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/darks FLAT_FIELD_DIR_OR_FILE=/var/www/nmw_calibration/TTUQ2b1x1/flats
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     16.7399997711182 / [degC] Focuser temperature
AMBTEMP =                 17.4 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-23T23:15:56.7758364' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-24T04:15:56.7758364' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61337.1777404514 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-24T04:16:06.6780192' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61337.1778550693 / 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      =     231.424917039081 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9998133356598 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     16.0541666666667 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     335.749444444444 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.57290636462062 / 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  =                20708 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20708 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.7399997711182 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.7399997711182 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.6 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 69.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.49 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 17.4 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                359.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            14.801184 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            11.200896 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/d_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits :)

Spent 0.798455 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/d_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
EXPTIME =                 20.0 / [s] Exposure duration
SET-TEMP=                  0.0 / [degC] CCD temperature setpoint
CCD-TEMP=                 -0.0 / [degC] CCD temperature
FOCTEMP =     16.7399997711182 / [degC] Focuser temperature
AMBTEMP =                 17.4 / [degC] Ambient air temperature
Exploring image header: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits 
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Header: 74 keys total, 33 keys left
Record 0: "" status=0
Record 1: "SIMPLE  =                    T / C# FITS" status=0
Record 2: "BITPIX  =                   16" status=0
Record 3: "NAXIS   =                    2 / Dimensionality" status=0
Record 4: "NAXIS1  =                 9576" status=0
Record 5: "NAXIS2  =                 6388" status=0
Record 6: "BZERO   =                32768" status=0
Record 7: "EXTEND  =                    T / Extensions are permitted" status=0
Record 8: "IMAGETYP= 'LIGHT'              / Type of exposure" status=0
Record 9: "EXPOSURE=                 20.0 / [s] Exposure duration" status=0
Record 10: "EXPTIME =                 20.0 / [s] Exposure duration" status=0
Record 11: "DATE-LOC= '2026-10-23T23:16:41.4409803' / Time of observation (local)" status=0
Record 12: "DATE-OBS= '2026-10-24T04:16:41.4409803' / Time of observation (UTC)" status=0
Record 13: "MJD-OBS =     61337.1782574076 / Modified Julian Date of observation" status=0
Record 14: "DATE-AVG= '2026-10-24T04:16:51.3442386' / Averaged midpoint time (UTC)" status=0
Record 15: "MJD-AVG =     61337.1783720371 / 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      =     231.424917085409 / [deg] RA of telescope" status=0
Record 32: "DEC     =     61.9998133766949 / [deg] Declination of telescope" status=0
Record 33: "CENTALT =     15.9913888888889 / [deg] Altitude of telescope" status=0
Record 34: "CENTAZ  =     335.811666666667 / [deg] Azimuth of telescope" status=0
Record 35: "AIRMASS =     3.58620331732143 / 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  =                20708 / [step] Focuser position" status=0
Record 51: "FOCUSPOS=                20708 / [step] Focuser position" status=0
Record 52: "FOCUSSZ =                  0.0 / [um] Focuser step size" status=0
Record 53: "FOCTEMP =     16.7399997711182 / [degC] Focuser temperature" status=0
Record 54: "FOCUSTEM=     16.7399997711182 / [degC] Focuser temperature" status=0
Record 55: "DEWPOINT=                 11.6 / [degC] Dew point" status=0
Record 56: "HUMIDITY=                 69.0 / [percent] Relative humidity" status=0
Record 57: "PRESSURE=               903.49 / [hPa] Air pressure" status=0
Record 58: "AMBTEMP =                 17.4 / [degC] Ambient air temperature" status=0
Record 59: "WINDDIR =                359.0 / [deg] Wind direction: 0=N, 180=S, 90=E, 270=W" status=0
Record 60: "WINDGUST=            14.801184 / [kph] Wind gust" status=0
Record 61: "WINDSPD =            11.200896 / [kph] Wind speed" status=0
Record 62: "ROWORDER= 'TOP-DOWN'           / FITS Image Orientation" status=0
Record 63: "EQUINOX =               2000.0 / Equinox of celestial coordinate system" status=0
Record 64: "SWCREATE= 'N.I.N.A. 3.2.0.9001 (x64)' / Software that created this file" status=0
Record 65: "QHY_EXP =            20.000096 / [s] Actual exposure time" status=0
Record 66: "QHY_PP  =              13888.0 / [ps] pixelPeriod" status=0
Record 67: "QHY_LP  =              85000.0 / [ns] linePeriod" status=0
Record 68: "GPS_LP  =              85000.0 / [ns] linePeriod" status=0
Record 69: "QHY_FP  =           20000160.0 / [us] framePeriod" status=0
Record 70: "QHY_CPL =               6120.0 / clocksPerLine" status=0
Record 71: "QHY_LPF =             235295.0 / linesPerFrame" status=0
Record 72: "QHY_AET =           20000096.0 / [us] actualExposureTime" status=0
Record 73: "QHY_LEM =                    T / isLongExposureMode" status=0
Record 74: "QHY_OFF0=             3767.777 / [us] RollingShutterEndOffset row 0" status=0
Allocating memory for image, dark and result arrays...
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits 9576 6388  16 bitpix
SET-TEMP= 0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
SET-TEMP= 0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
CCD-TEMP= -0.000000 for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
CCD-TEMP= -0.000000 for /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit
Reading dark frame /var/www/nmw_calibration/TTUQ2b1x1/darks/mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.fit 9576 6388  16 bitpix
Dark frame is subtracted, output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/d_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits :)

Spent 0.794652 seconds 
renamed 'mdark_TTUQ2b1x1_0C_20s_2026-08-12_multinight.png' -> 'transient_report/dark.png'
try_to_calibrate_the_input_frame(): selected flat field /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit from directory /var/www/nmw_calibration/TTUQ2b1x1/flats
MegaDivider v7
Reading image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/d_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits 9576 6388  16 bitpix
Reading flat /var/www/nmw_calibration/TTUQ2b1x1/flats/mff_TTUQ2b1x1_2026-08-12_multinight.fit 9576 6388  16 bitpix
Avarage count on flat field image: 37096.658242
Minimal real count (from overscan): 5
Output is written to /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits :)


No overscan detected - all values seem high! (left_median=24199.0, right_median=29433.0)
renamed 'mff_TTUQ2b1x1_2026-08-12_multinight.png' -> 'transient_report/flat.png'
Using calibrated image CALIBRATED_SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Dark frame used to calibrate the second-epoch images:



Flat field used to calibrate the second-epoch images:



after the calibration attempt:
SECOND_EPOCH__FIRST_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
SECOND_EPOCH__SECOND_IMAGE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Previews of the CALIBRATED second-epoch images:


fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits



fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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: 2461337.67785619
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits (1st new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Image size: 938.4'x624.6'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 15:25:36.206 +61:58:58.87 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 15:25:36.206 +61:58:58.87
Angular distance between the image centers 0.0291 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits (2nd new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Image size: 938.4'x624.6'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 15:25:38.293 +61:58:57.39 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 15:25:38.293 +61:58:57.39
Angular distance between the image centers 0.0288 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  15:25:36.206 +61:58:58.87
Second-epoch second image center 15:25:38.293 +61:58:57.39
Angular distance between the image centers 0.00411 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.QbCAGMdt3z
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.gJXh2xkL8A
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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits &> /tmp/tmp.qapHT2xl9B
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits &> /tmp/tmp.82EbtqvoKS
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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 0 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
 2.3 pix  fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
 2.2 pix  fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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
 13.9 mag.  fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
 13.9 mag.  fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
All-image limiting magnitude estimate:  13.9 (SNR )  10.7 (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.QbCAGMdt3z (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/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.gJXh2xkL8A (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/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.qapHT2xl9B (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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=204, bad_region=387, passed=2304
Got 2304 stars (including 1741 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat 
util/solve_plate_with_UCAC5 got 2304 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.4'
Seting catalog search parameters based on the expected field of view 938.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013033 (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 0.010427 (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 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1693 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1692 matched stars entering correct_measured_positions(), 1692 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1692 matched stars entering correct_measured_positions(), 1979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1693 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1692 matched stars entering correct_measured_positions(), 1979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Accuracy estimation diagnostic: 1692 matched stars entering correct_measured_positions(), 1979 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34" 
Excluding outliers - 1692 stars left (next iteration limit 1861)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1692 robust_rms=7.093 arcsec worst_region_rms=10.646 arcsec outer_annulus_rms=10.646 arcsec
SIP_REFIT: SIP order 3 trial: matched=1692 robust_rms=0.514 arcsec worst_region_rms=0.647 arcsec outer_annulus_rms=0.647 arcsec
SIP_REFIT: SIP order 5 trial: matched=1692 robust_rms=0.359 arcsec worst_region_rms=0.479 arcsec outer_annulus_rms=0.479 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1692 robust_rms_before=1.115 arcsec robust_rms_before_corrected=0.344 arcsec robust_rms_after=0.359 arcsec worst_region_rms_before=0.454 worst_region_rms_after=0.479 outer_annulus_rms_before=1.148 outer_annulus_rms_after=0.479
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.454 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits worst_region_rms_kept=0.454 arcsec robust_rms_kept=0.344 arcsec matched=1692
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits N_match=1692 sigma_overall_arcsec=0.340 sigma_q1_arcsec=0.343 sigma_q2_arcsec=0.330 sigma_q3_arcsec=0.361 sigma_q4_arcsec=0.330 n_q1=611 n_q2=324 n_q3=532 n_q4=225 worst_quadrant_to_overall_ratio=1.063
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits selection=current_pairs N_selected=1692 N_valid=1692 bias_ra_arcsec=0.459 bias_dec_arcsec=-0.139 median_sep_arcsec=0.993 p95_sep_arcsec=2.013 n_q1=611 n_q2=324 n_q3=532 n_q4=225 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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.82EbtqvoKS (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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=213, bad_region=385, passed=2271
Got 2271 stars (including 1700 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat 
util/solve_plate_with_UCAC5 got 2271 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.4'
Seting catalog search parameters based on the expected field of view 938.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013033 (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 0.010427 (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 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1654 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1652 matched stars entering correct_measured_positions(), 1652 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1652 matched stars entering correct_measured_positions(), 1951 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 

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 730 to 788 (Dec 56.1 to 67.2)
Done reading UCAC5 zone files...
Matched 1654 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1652 matched stars entering correct_measured_positions(), 1951 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37" 
Accuracy estimation diagnostic: 1652 matched stars entering correct_measured_positions(), 1951 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36" 
Excluding outliers - 1652 stars left (next iteration limit 1817)
Stop iterations.


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

SIP_REFIT: SIP order 2 trial: matched=1652 robust_rms=7.141 arcsec worst_region_rms=10.313 arcsec outer_annulus_rms=10.313 arcsec
SIP_REFIT: SIP order 3 trial: matched=1652 robust_rms=0.564 arcsec worst_region_rms=0.627 arcsec outer_annulus_rms=0.613 arcsec
SIP_REFIT: SIP order 5 trial: matched=1652 robust_rms=0.380 arcsec worst_region_rms=0.477 arcsec outer_annulus_rms=0.477 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1652 robust_rms_before=1.113 arcsec robust_rms_before_corrected=0.379 arcsec robust_rms_after=0.380 arcsec worst_region_rms_before=0.482 worst_region_rms_after=0.477 outer_annulus_rms_before=1.199 outer_annulus_rms_after=0.477
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.482 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits worst_region_rms_kept=0.482 arcsec robust_rms_kept=0.379 arcsec matched=1652
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits N_match=1652 sigma_overall_arcsec=0.399 sigma_q1_arcsec=0.380 sigma_q2_arcsec=0.360 sigma_q3_arcsec=0.414 sigma_q4_arcsec=0.435 n_q1=597 n_q2=317 n_q3=514 n_q4=224 worst_quadrant_to_overall_ratio=1.089
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits selection=current_pairs N_selected=1652 N_valid=1652 bias_ra_arcsec=0.488 bias_dec_arcsec=-0.144 median_sep_arcsec=0.966 p95_sep_arcsec=2.083 n_q1=597 n_q2=317 n_q3=514 n_q4=224 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits to local_wcs_cache/
'wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits' -> 'local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits'
Saving the final (post-refit) wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits to local_wcs_cache/
'wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits' -> 'local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits sigma_overall=0.340 worst_q_ratio=1.063
new2=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits sigma_overall=0.399 worst_q_ratio=1.089
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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070_astrometric_residuals.png (1692 matched stars from wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.31 arcsec)


plot_astrometric_residuals_xy.py: wrote wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071_astrometric_residuals.png (1652 matched stars from wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)


Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits'
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits'
Preparing the HTML report for the field Dra-06-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Creating symlink local_wcs_cache/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits exists and is non-empty
wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits (1st new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Image size: 938.4'x624.6'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 15:25:36.206 +61:58:58.87 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 15:25:36.206 +61:58:58.87
Angular distance between the image centers 0.0291 deg.
Soft limit: 0.50 deg.  Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits (2nd new image)
verification OK: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Image size: 938.4'x624.6'  15.6(deg)x10.4(deg)  9576x6388 pix
Image scale: 5.88"/pix along the X axis and 5.87"/pix along the Y axis
Image center: 15:25:38.293 +61:58:57.39 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 15:25:38.293 +61:58:57.39
Angular distance between the image centers 0.0288 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  15:25:36.206 +61:58:58.87
Second-epoch second image center 15:25:38.293 +61:58:57.39
Angular distance between the image centers 0.00411 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.VuTyuS0lsj
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.LK7ILjINS2
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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits &> /tmp/tmp.CVd4osy6Ov
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Running  util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2  /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits &> /tmp/tmp.FnDiyiBFlN
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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 26 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
 2.1 pix  fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
 2.1 pix  fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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
 14.0 mag.  fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
 14.0 mag.  fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
All-image limiting magnitude estimate:  14.0 (SNR )  13.3 (80% of stars)  with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of  following Karpov (2025, Acta Polytechnica, 65, 50). 
This value should be representative of the faintest stars clearly visible in the image. 
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.VuTyuS0lsj (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/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.LK7ILjINS2 (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/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.CVd4osy6Ov (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat 
Excluding image region:    -1.0    -1.0     1.0     1.0  (defined in bad_region.lst)
Excluding image region:  7500.0     0.0  9576.0  6388.0  (defined in bad_region.lst)
Excluding image region:  1122.0  1550.0  1124.0  1552.0  (defined in bad_region.lst)
Excluding image region:  1637.0  2824.0  1639.0  2826.0  (defined in bad_region.lst)
Excluding image region:  1831.0  2839.0  1833.0  2841.0  (defined in bad_region.lst)
Excluding image region:  1905.0  4570.0  1907.0  4572.0  (defined in bad_region.lst)
Excluding image region:  2012.0  4693.0  2014.0  4695.0  (defined in bad_region.lst)
Excluding image region:  2397.0  4241.0  2399.0  4243.0  (defined in bad_region.lst)
Excluding image region:  2679.0  2807.0  2681.0  2809.0  (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions  (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=478, bad_region=1585, passed=14885
Got 14885 stars (including 12880 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat 
util/solve_plate_with_UCAC5 got 14885 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.4'
Seting catalog search parameters based on the expected field of view 938.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013033 (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 0.010427 (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 4866 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4859 matched stars entering correct_measured_positions(), 4859 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4859 matched stars entering correct_measured_positions(), 13742 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 

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 4865 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4859 matched stars entering correct_measured_positions(), 13742 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Accuracy estimation diagnostic: 4859 matched stars entering correct_measured_positions(), 13742 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39" 
Excluding outliers - 4859 stars left (next iteration limit 5344)
Stop iterations.


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

SIP_REFIT: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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=4859 robust_rms=6.933 arcsec worst_region_rms=10.415 arcsec outer_annulus_rms=10.415 arcsec
SIP_REFIT: SIP order 3 trial: matched=4859 robust_rms=0.571 arcsec worst_region_rms=0.722 arcsec outer_annulus_rms=0.722 arcsec
SIP_REFIT: SIP order 5 trial: matched=4859 robust_rms=0.435 arcsec worst_region_rms=0.548 arcsec outer_annulus_rms=0.548 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4859 robust_rms_before=1.147 arcsec robust_rms_before_corrected=0.419 arcsec robust_rms_after=0.435 arcsec worst_region_rms_before=0.553 worst_region_rms_after=0.548 outer_annulus_rms_before=1.156 outer_annulus_rms_after=0.548
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.553 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits worst_region_rms_kept=0.553 arcsec robust_rms_kept=0.419 arcsec matched=4859
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits N_match=4859 sigma_overall_arcsec=0.406 sigma_q1_arcsec=0.395 sigma_q2_arcsec=0.400 sigma_q3_arcsec=0.411 sigma_q4_arcsec=0.416 n_q1=1750 n_q2=856 n_q3=1581 n_q4=672 worst_quadrant_to_overall_ratio=1.026
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits selection=current_pairs N_selected=4859 N_valid=4859 bias_ra_arcsec=0.481 bias_dec_arcsec=-0.130 median_sep_arcsec=1.013 p95_sep_arcsec=1.996 n_q1=1750 n_q2=856 n_q3=1581 n_q4=672 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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.FnDiyiBFlN (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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS_IMAGE_NAME=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS-calibrated image found: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Checking if the catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits alredy exist and is non-empty...
Catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat corresponding to the image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
WCS catalog name: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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=451, bad_region=1594, passed=15008
Got 15008 stars (including 13025 good ones) from the SExtractor catalog wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat 
util/solve_plate_with_UCAC5 got 15008 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 938.4'
Seting catalog search parameters based on the expected field of view 938.4 arcmin
UCAC5 catalog search parameters:
                    catalog_search_parameters->search_radius_deg= 0.013033 (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 0.010427 (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 4860 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 4853 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 13857 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 

ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 729 to 788 (Dec 55.9 to 67.3)
Done reading UCAC5 zone files...
Matched 4859 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 13857 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40" 
Accuracy estimation diagnostic: 4851 matched stars entering correct_measured_positions(), 13857 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.41" 
Excluding outliers - 4851 stars left (next iteration limit 5336)
Stop iterations.


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

SIP_REFIT: wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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=4851 robust_rms=6.809 arcsec worst_region_rms=10.297 arcsec outer_annulus_rms=10.297 arcsec
SIP_REFIT: SIP order 3 trial: matched=4851 robust_rms=0.608 arcsec worst_region_rms=0.689 arcsec outer_annulus_rms=0.689 arcsec
SIP_REFIT: SIP order 5 trial: matched=4851 robust_rms=0.442 arcsec worst_region_rms=0.540 arcsec outer_annulus_rms=0.540 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=4851 robust_rms_before=1.135 arcsec robust_rms_before_corrected=0.421 arcsec robust_rms_after=0.442 arcsec worst_region_rms_before=0.518 worst_region_rms_after=0.540 outer_annulus_rms_before=1.212 outer_annulus_rms_after=0.540
SIP_REFIT: refit does not sufficiently improve on the solution it would replace (best worst-region baseline 0.518 arcsec) - keeping the original
SIP_REFIT_REJECTED: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits worst_region_rms_kept=0.518 arcsec robust_rms_kept=0.421 arcsec matched=4851
WCS_QUALITY_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits N_match=4851 sigma_overall_arcsec=0.430 sigma_q1_arcsec=0.423 sigma_q2_arcsec=0.421 sigma_q3_arcsec=0.438 sigma_q4_arcsec=0.438 n_q1=1745 n_q2=866 n_q3=1564 n_q4=676 worst_quadrant_to_overall_ratio=1.018
WCS_HEADER_DIAG: file=fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits selection=current_pairs N_selected=4851 N_valid=4851 bias_ra_arcsec=0.463 bias_dec_arcsec=-0.133 median_sep_arcsec=0.971 p95_sep_arcsec=2.086 n_q1=1745 n_q2=866 n_q3=1564 n_q4=676 occupied_cells_4x4=16/16
The image catalog is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ds9.reg
You may view it with the command:
 ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits -region wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Saving fully-calibrated image wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.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 15:47:01.01 +57:40:19.2:  13.08 +/- 0.02  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 16:18:46.45 +59:17:18.3:  13.11 +/- 0.03  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-45-27_20.00sec_4.90C_LIGHT_0215.fits at 15:23:11.53 +63:08:17.8:  12.66 +/- 0.02  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:47:01.01 +57:40:19.2:  13.10 +/- 0.02  detection
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 16:18:46.45 +59:17:18.3:  13.14 +/- 0.03  detection
Forced photometry reference-image weighted average:  13.09 +/- 0.02
Forced photometry reference-image weighted average:  13.12 +/- 0.02
Forced photometry filter REJECTED candidate at 15:47:01.01 +57:40:19.2: ref_mag=13.09 +/- 0.02 new_mean_mag=13.0272 delta=0.06 (need > 0.90)
Forced photometry filter REJECTED candidate at 16:18:46.45 +59:17:18.3: ref_mag=13.12 +/- 0.02 new_mean_mag=13.0902 delta=0.03 (need > 0.90)
Forced photometry on wcs_Dra-06-Q2b1x1_2026-06-08_01-46-13_20.00sec_4.90C_LIGHT_0216.fits at 15:23:11.53 +63:08:17.8:  12.71 +/- 0.02  detection
Forced photometry reference-image weighted average:  12.68 +/- 0.01
Forced photometry filter REJECTED candidate at 15:23:11.53 +63:08:17.8: ref_mag=12.68 +/- 0.01 new_mean_mag=12.6518 delta=0.03 (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: 1s
  
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Considering the candidate 52684_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52684_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 1     2026 10 24.17786    2461337.67786    13.16    16:18:46.66 +59:17:18.5   0720 4523   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Discovery image 2     2026 10 24.17837    2461337.67837    13.04    16:18:46.24 +59:17:18.0   0723 4524   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

  
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Considering the candidate 52685_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52685_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 1     2026 10 24.17786    2461337.67786    13.01    15:47:01.02 +57:40:19.5   3117 5780   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Discovery image 2     2026 10 24.17837    2461337.67837    13.05    15:47:01.00 +57:40:18.9   3120 5781   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

  
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Considering the candidate 52687_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52687_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.95    15:53:33.20 +60:47:31.1   2750 3859   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

**** FOUND  15:53:33.21 +60:47:31.9 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52711_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52711_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    10.57    15:38:31.31 +61:55:08.5   3875 3235   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (15.0") between the two second-epoch detections
  
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Considering the candidate 52721_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52721_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    10.67    14:49:23.42 +64:19:36.3   7119 1546   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.0") between the two second-epoch detections
  
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Considering the candidate 52722_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52722_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    11.03    16:11:52.27 +58:41:57.6   1201 4964   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (17.0") between the two second-epoch detections
  
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Considering the candidate 52743_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52743_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    11.31    15:46:25.21 +62:24:01.9   3330 2923   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (14.8") between the two second-epoch detections
  
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Considering the candidate 52752_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52752_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    11.31    14:50:44.75 +65:17:39.2   6939 0981   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (12.7") between the two second-epoch detections
  
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Considering the candidate 52762_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52762_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    11.69    16:02:01.90 +59:57:16.1   2065 4304   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (15.6") between the two second-epoch detections
  
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Considering the candidate 52799_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52799_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.47    16:26:27.02 +63:49:45.4   0711 1700   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.5") between the two second-epoch detections
  
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Considering the candidate 52827_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52827_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.48    16:02:03.94 +58:36:02.5   1966 5122   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

**** FOUND  16:02:03.82 +58:36:02.3 in the exclusion list exclusion_list_bbsc.txt ****
  
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Considering the candidate 52839_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52839_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.63    16:25:27.35 +62:34:23.3   0620 2464   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.9") between the two second-epoch detections
  
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Considering the candidate 52841_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52841_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.63    16:06:05.27 +57:54:23.6   1592 5505   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (17.6") between the two second-epoch detections
  
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Considering the candidate 52844_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52844_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.30    15:18:48.13 +58:57:10.1   5364 5003   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (17.0") between the two second-epoch detections
  
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Considering the candidate 52848_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52848_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.70    15:36:45.05 +63:37:49.4   4020 2204   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.9") between the two second-epoch detections
  
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Considering the candidate 52880_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52880_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 1     2026 10 24.17786    2461337.67786    12.65    15:23:11.38 +63:08:17.0   4937 2493   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Discovery image 2     2026 10 24.17837    2461337.67837    12.65    15:23:11.67 +63:08:18.6   4939 2492   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

  
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Considering the candidate 52881_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52881_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.86    15:47:28.24 +59:32:49.0   3152 4642   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

**** FOUND  15:47:28.32 +59:32:50.1 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52883_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52883_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.65    15:24:43.73 +57:45:33.7   4922 5746   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

**** FOUND  15:24:43.62 +57:45:33.4 in the exclusion list exclusion_list.txt ****
  
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Considering the candidate 52888_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52888_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.75    15:51:24.54 +57:57:15.5   2777 5588   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (17.6") between the two second-epoch detections
  
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Considering the candidate 52893_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52893_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    12.81    14:50:09.45 +64:58:19.5   7007 1168   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (12.8") between the two second-epoch detections
  
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Considering the candidate 52933_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52933_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    13.22    16:11:14.69 +65:22:51.6   1865 0953   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (11.7") between the two second-epoch detections
  
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Considering the candidate 52948_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52948_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    13.45    16:21:21.39 +63:56:01.4   1062 1707   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.5") between the two second-epoch detections
  
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 52988_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 52988_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    13.37    16:03:46.57 +57:54:52.3   1779 5522   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (17.5") between the two second-epoch detections
  
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Considering the candidate 53005_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 53005_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    13.76    16:15:19.13 +60:17:34.6   1093 3964   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (14.1") between the two second-epoch detections
  
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Considering the candidate 53007_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 53007_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 2     2026 10 24.17837    2461337.67837    13.31    15:44:08.36 +65:51:16.4   3587 0841   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (12.2") between the two second-epoch detections
  
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Considering the candidate 14135_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071
The candidate 14135_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071 did not pass the final checks
Discovery image 3     2026 10 24.17837    2461337.67837    10.16    14:47:22.38 +63:39:19.0   7319 1924   /data_ssd/NMW-TexasTech/workdir//img_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits

Rejecting candidate due to large distance (13.9") between the two second-epoch detections
make_report_in_HTML.sh Phase 2 (HTML assembly): 0s
make_report_in_HTML.sh TOTAL: 2s
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_2026-10-23_CI_Dra-06-Q2b1x1_231924_TTUQ2b1x1_3079653_Jt4H6REu/monitoring_positions.txt
Source monitoring: positions closer than 100 pix to a frame edge are recorded as edge
Read 14888 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 211.7859 to 250.6474 deg, Dec +55.8924 to +67.2591 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 211.7859 to 250.6474 deg, Dec 55.8924 to 67.2591 deg
Loaded 7198 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 4899 total matches.
Matched with Tycho-2 4899 out of 14888 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Observation time (mid-exposure, UTC): JD 2461337.67786 (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= 231.40258 deg  Dec= +61.98387 deg
Frame center: alt= +16.038 deg  az= 331.694 deg  airmass= 3.5643
Header cross-check: CENTALT= 16.054 deg (difference -0.016 deg)
Header cross-check: AIRMASS= 3.5729 (we compute 3.5643)
Airmass zero-point fit: OK  k= +0.2388 +/- 0.0037 mag/airmass  N= 3738  airmass span 2.3228-7.1565  scatter 0.1978 mag
Source monitoring: airmass zero-point for wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits: OK +0.831999 -0.238800 3.5643 +0.2388 3738 4.8338 0.1978 2.3228 7.1565
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits list=monitoring_pixlist3080355.tmp aperture=4.7
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 + 22.091500
Local star coverage test: 14888 stars in wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits.wcscat, test radius 302 pix (0.50 deg), 73.2 stars per circle at the frame's mean density
Forced photometry: center=(6781.53, 434.58) aperture=4.7
Annulus: inner=9.40 outer=23.50 edge margin=100.00
Background annulus: 1457 pixels
Iterative clipping converged after 4 iterations, 1449/1457 pixels remain
SExtractor background: mode=3956.05 median=3956.00 mean=3955.97 sigma=99.64 -> bg=3956.05 (1449 pixels)
Aperture sum=69002.52 N_eff=17.3494
Net flux=367.29 noise=415.01 SNR=0.89
Instrumental magnitude: -7.7380
Calibrated magnitude: 14.3535
Local star coverage at (6781.53, 434.58): 64 catalog stars within 302 pix, 73.2 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits
Source monitoring: 1 position(s) measured on wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-15-56_20.00sec_-0.00C_LIGHT_0070.fits (aperture 4.7 pix)
Read 15008 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 211.7861 to 250.6470 deg, Dec +55.8927 to +67.2590 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 211.7861 to 250.6470 deg, Dec 55.8927 to 67.2590 deg
Loaded 7198 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): 4764 out of 4906 total matches.
Matched with Tycho-2 4906 out of 15008 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits via Tycho-2
util/pixel_flux_airmass_correction processing wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Observation time (mid-exposure, UTC): JD 2461337.67837 (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= 231.41128 deg  Dec= +61.98346 deg
Frame center: alt= +15.977 deg  az= 331.761 deg  airmass= 3.5771
Header cross-check: CENTALT= 15.991 deg (difference -0.014 deg)
Header cross-check: AIRMASS= 3.5862 (we compute 3.5771)
Airmass zero-point fit: OK  k= +0.2318 +/- 0.0036 mag/airmass  N= 3755  airmass span 2.3284-7.0719  scatter 0.1960 mag
Source monitoring: airmass zero-point for wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits: OK +0.816477 -0.231796 3.5771 +0.2318 3755 4.7434 0.1960 2.3284 7.0719
Edge margin: 100.0 pix (FORCED_PHOTOMETRY_EDGE_MARGIN_PIX)
Forced photometry (list mode): image=wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits list=monitoring_pixlist3080355.tmp aperture=4.7
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 + 22.091700
Local star coverage test: 15008 stars in wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits.wcscat, test radius 302 pix (0.50 deg), 73.7 stars per circle at the frame's mean density
Forced photometry: center=(6783.40, 433.79) aperture=4.7
Annulus: inner=9.40 outer=23.50 edge margin=100.00
Background annulus: 1461 pixels
Iterative clipping converged after 1 iterations, 1458/1461 pixels remain
SExtractor background: mode=3954.23 median=3958.00 mean=3960.52 sigma=102.07 -> bg=3954.23 (1458 pixels)
Aperture sum=69043.94 N_eff=17.3494
Net flux=440.31 noise=425.17 SNR=1.04
Instrumental magnitude: -7.7642
Calibrated magnitude: 14.3275
Local star coverage at (6783.40, 433.79): 66 catalog stars within 302 pix, 73.7 expected at the frame's mean star density
Source monitoring: airmass zero-point term applied to the measurements on wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits
Source monitoring: 1 position(s) measured on wcs_fd_Dra-06-Q2b1x1_2026-10-23_23-16-41_20.00sec_-0.00C_LIGHT_0071.fits (aperture 4.7 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)2461337.67785619 -observatory V36
15:09:13.55 -20:48:22.0 Mercury (0.5mag)
13:43:26.85 -17:41:07.9 Venus (-4.2mag)
09:08:27.85 +17:56:30.1 Mars (0.9mag)
09:41:58.61 +14:29:59.3 Jupiter (-2.0mag)
00:38:54.88 +01:15:13.0 Saturn (0.4mag)
04:10:32.24 +20:54:01.3 Uranus (5.6mag)
00:09:09.58 -00:33:09.0 Neptune (7.7mag)
20:24:12.73 -23:42:51.4 Pluto (14.5mag)
00:11:47.75 +04:03:44.5 Moon (-12.1mag)
-rw-r--r-- 1 apache apache 362 Oct 23 23:21 planets.txt
############################################################
Positions of selected moons from JPL HORIZONS for JD(UT)2461337.67785619:
09:41:55.91 +14:30:15.1 Io (6.1mag)
09:41:48.54 +14:30:56.5 Europa (6.2mag)
09:41:53.31 +14:30:30.1 Ganymede (5.5mag)
09:41:42.66 +14:31:30.4 Callisto (6.8mag)
09:42:40.96 +14:45:30.5 Himalia (15.6mag)
09:41:55.58 +14:30:16.1 Thebe (16.4mag)
09:41:10.89 +14:54:01.7 Elara (17.4mag)
09:43:32.30 +13:54:36.1 Pasiphae (17.8mag)
09:39:41.04 +15:00:01.2 Carme (18.8mag)
00:38:54.80 +01:15:29.4 Titan (8.2mag)
00:38:58.97 +01:14:57.2 Rhea (9.6mag)
00:38:59.82 +01:13:43.5 Iapetus (11.0mag)
00:39:06.70 +01:15:14.1 Hyperion (14.1mag)
00:37:09.47 +01:02:49.1 Phoebe (16.4mag)
-rw-r--r-- 1 apache apache 568 Oct 23 23:21 moons.txt
############################################################
Positions of selected spacecraft from JPL HORIZONS for JD(UT)2461337.67785619:
03:58:14.08 +19:41:21.4 JWST
16:05:38.06 +48:18:55.4 Chandra
05:57:00.49 +29:57:38.6 XMM-Newton
-rw-r--r-- 1 apache apache 96 Oct 23 23:21 spacecraft.txt
############################################################
Positions of bright comets computed with util/comet_finder/main.py for JD(UT)2461337.67785619 -observatory V36
03:40:30.69 +20:08:13.1 17.1mag P/1996 R2 (Lagerkvist)
07:42:36.49 +37:41:24.7 17.9mag P/2004 V5 (LINEAR-Hill)
07:42:41.52 +37:41:12.1 17.9mag P/2004 V5-A (LINEAR-Hill)
07:42:02.06 +37:41:25.8 18.0mag P/2004 V5-B (LINEAR-Hill)
05:02:43.44 +40:37:40.7 17.9mag P/2009 Y2 (Kowalski)
18:37:02.33 -33:10:20.3 14.9mag P/2010 H2 (Vales)
07:43:51.06 -73:14:41.0 17.2mag C/2014 UN271 (Bernardinelli-Bernstein)
06:13:52.26 +35:01:16.2 17.7mag C/2017 K2 (PANSTARRS)
04:36:58.15 +48:02:14.5 17.6mag P/2021 N1 (ZTF)
07:34:07.62 +25:21:48.4 16.9mag C/2022 N2 (PANSTARRS)
09:06:44.60 +37:09:00.1 16.3mag C/2024 E1 (Wierzchos)
18:31:10.60 +41:03:40.5 17.4mag C/2024 J3 (ATLAS)
05:45:33.75 -13:39:55.0 16.4mag C/2024 T5 (ATLAS)
12:41:36.41 +14:57:33.4 15.9mag C/2025 V2 (Rankin)
14:04:13.34 -03:46:30.2 16.4mag C/2025 Y1 (ATLAS)
19:34:55.03 +59:13:22.3 15.5mag C/2026 A2 (Bok)
02:21:38.66 +41:11:00.0 18.0mag C/2026 B2 (Sun-Gao)
12:57:54.73 +15:39:42.7 17.7mag A/2026 E1
16:21:14.62 -55:23:37.5 13.7mag P/2026 R2 (Leonard)
19:24:35.65 -05:09:33.0 16.7mag P/2026 T1 (ATLAS)
23:54:15.85 +16:35:23.8 17.1mag 2P/Encke
23:13:11.09 -28:34:48.7 15.0mag 10P/Tempel
02:27:40.83 +35:15:49.4 16.4mag 11P/Tempel-Swift-LINEAR
12:19:40.18 -09:12:24.1 16.3mag 29P/Schwassmann-Wachmann
00:15:03.44 -09:05:29.3 15.7mag 65P/Gunn
07:50:57.49 +14:38:34.3 13.9mag 78P/Gehrels
02:46:09.55 +13:38:50.2 17.9mag 88P/Howell
08:24:58.25 +43:37:01.3 17.0mag 112P/Urata-Niijima
09:30:54.92 +09:27:36.2 17.7mag 114P/Wiseman-Skiff
12:06:51.36 +10:20:36.5 14.8mag 123P/West-Hartley
14:39:39.28 -35:39:10.1 18.0mag 124P/Mrkos
20:20:56.72 +11:04:10.7 9.9mag 161P/Hartley-IRAS
10:49:36.30 -01:09:40.8 15.4mag 169P/NEAT
03:20:09.78 +03:05:51.2 15.0mag 220P/McNaught
06:18:18.63 +47:52:40.9 15.5mag 260P/McNaught
07:44:54.22 +25:17:39.3 17.7mag 266P/Christensen
-rw-r--r-- 1 apache apache 1.8K Oct 23 23:21 comets.txt
############################################################
List of recent ASAS-SN transients from https://www.astronomy.ohio-state.edu/asassn/transients.html :
22:14:03.37 -45:07:18.60  ASASSN-26fm   VIZIER
01:57:48.19 -33:14:42.30  SN 2026aedl   -------
18:05:22.06 +17:52:41.00  ASASSN-26fn  2026-10-11.74 15.23
21:50:55.86 -02:51:49.30  SN2026acyb  2026-10-9.85 16.83
03:40:34.04 +02:31:56.70  SN2026acvp  2026-10-9.95 17.75
04:33:25.91 -13:41:04.20  SN2026adhl   -------
09:20:05.05 +27:03:12.40  SN2026aeif   -------
02:58:07.77 -65:18:52.90  ASASSN-26fl   VIZIER
02:49:03.98 -49:55:57.00  SN 2026adfy  2026-10-4.88 16.61
22:03:46.31 -11:07:57.70  AT2026adgn  2026-10-4.28 -2.56
15:03:12.98 +49:51:05.40  ASASSN-26fj   VIZIER
08:07:27.96 -65:51:03.90  ASASSN-26fi  2026-10-1.36 15.82
21:02:34.66 +23:57:26.20  ASASSN-26fh  2026-10-1.27 15.94
20:00:16.62 +03:26:29.90  AT2026adfv   -------
00:08:42.74 -32:33:16.50  SN2026abhc   -------
21:02:30.26 -19:27:41.80  SN2026acxa   -------
04:39:17.45 -28:06:12.40  ASASSN-26fg   VIZIER
05:25:07.80 +04:38:32.40  SN2026aajs   -------
19:56:12.67 +08:25:27.70  AT2026acgs   -------
00:02:34.06 +52:55:18.90  ASASSN-26ff  2026-09-16.38 15.41
23:44:33.18 +17:46:12.20  SN2026yjv   -------
16:21:12.24 +57:37:51.30  SN 2026aafh   -------
23:36:00.27 -19:28:18.00  SN 2026aaks  2026-09-14.44 16.89
16:35:24.86 -05:32:38.20  SN2026aasi   -------
16:46:08.71 +37:25:21.80  SN2026aafk  2026-09-13.25 17.4
23:48:37.86 +50:25:24.60  SN2026aafs   -------
21:20:27.02 +02:10:42.50  SN2026aagh   -------
08:02:26.85 -24:37:44.10  ASASSN-26fe  2026-09-13.34 13.67
02:29:34.91 +23:06:56.30  SN2026aars   -------
02:47:25.52 -32:58:34.50  SN 2026znh   -------
04:59:14.53 -83:27:58.80  ASASSN-26fd  2026-09-9.11 17.27
17:52:06.79 -23:43:20.70  ASASSN-26fc   VIZIER
03:52:53.26 -14:19:28.70  SN 2026zfw   -------
01:53:26.46 +10:07:25.10  SN2026aacj   -------
20:04:34.47 +62:38:38.10  SN2026zji  2026-09-7.14 15.87
22:37:05.64 +34:24:35.00  SN2026aaiv   -------
22:24:21.29 -10:25:31.60  ASASSN-26fb  2026-09-5.3 13.93
00:44:54.28 +41:33:10.50  AT2026aabo  2026-09-3.29 15.02
00:52:12.40 -58:22:08.60  SN 2026zhl  2026-08-31.92 16.51
19:53:57.87 +61:00:19.70  ASASSN-26fa   VIZIER
00:21:50.96 -09:29:16.30  AT2026zwp  2026-08-31.41 15.59
19:45:06.20 +18:22:48.80  V488  2026-08-30.13 9.37
18:25:12.74 -22:25:28.60  V8055   -------
17:17:45.96 +64:31:40.10  ASASSN-26ez   VIZIER
19:02:47.09 +58:08:21.00  AT2026zwo   -------
04:20:07.58 -42:26:59.90  AT2026zjy   -------
03:08:18.02 +11:54:46.50  SN2026ymb  2026-08-23.4 16.44
20:22:32.48 -50:45:14.30  SN2026yid   -------
04:24:28.39 -56:20:21.60  ASASSN-26ey  2026-08-20.02 15.55
16:46:37.81 -63:14:59.80  ASASSN-26ex  2026-08-18.78 3.63
21:28:47.85 +20:31:03.60  SN 2026sfn   -------
23:01:28.67 -61:00:39.00  SN 2026yib   -------
00:22:23.20 -32:16:02.70  SN 2026whu  2026-08-14.96 16.5
19:56:21.71 -37:24:19.90  ASASSN-26ew   VIZIER
13:53:14.21 +00:26:52.00  SN 2026wkv   -------
05:21:07.61 +23:38:20.10  TCP J05210763+2338194  2026-08-10.59 9.34
01:28:20.49 +40:13:27.10  SN2026wpd  2026-08-9.34 16.37
23:47:50.89 +49:28:51.30  SN2026wjs  2026-08-9.24 17.09
16:03:20.92 +17:43:23.70  AT2026xau   -------
01:10:22.05 -09:34:08.50  SN2026weo   -------
00:56:54.35 -35:55:29.40  AT2026wdy   -------
22:08:07.63 -53:03:58.90  AT2026wek   -------
14:51:51.34 +66:13:24.60  ASASSN-26ev   VIZIER
12:06:50.79 -36:16:06.20  SN2026wgm   -------
16:56:36.90 -59:29:26.00  ASASSN-26er   VIZIER
01:21:27.83 -10:37:05.00  SN2026vbh  2026-07-25.61 15.97
21:17:31.59 +22:25:50.90  ASASSN-26eq  2026-07-24.37 15.13
18:53:36.89 +16:56:43.60  ASASSN-26ep   VIZIER
12:18:47.98 -30:48:47.50  ASASSN-26et   VIZIER
13:00:47.82 +15:42:17.60  SN2026uwk   -------
18:52:31.11 -32:28:00.90  ASASSN-26en  2026-07-21.77 14.63
14:42:58.01 -62:32:59.10  ASASSN-26es  2026-07-20.79 15.36
20:12:45.57 -32:53:13.00  ASASSN-26em  2026-07-20.94 16.83
18:54:24.33 -46:11:51.70  ASASSN-26eu   VIZIER
03:18:56.99 -80:55:10.40  AT2026ugi  2026-07-20.03 17.12
18:43:58.40 +24:22:41.80  ASASSN-26eo   VIZIER
04:50:01.03 -02:22:33.80  ASASSN-26ej   VIZIER
18:34:55.28 -31:41:00.90  ASASSN-26ek   VIZIER
17:07:43.61 -44:21:53.50  ASASSN-26el  2026-07-15.86 16.01
14:45:08.35 +24:13:12.30  ASASSN-26ei   VIZIER
10:00:46.44 -32:36:31.10  AT 2023mhb   -------
14:39:37.45 -11:22:36.20  AT 2026unl  2026-07-15.27 17.11
10:49:42.57 -11:25:55.80  ASASSN-26eh   VIZIER
19:33:53.06 -07:15:00.80  ASASSN-22le   -------
02:45:40.52 -27:55:30.30  ASASSN-26ef  2026-07-12.35 15.86
23:26:43.80 +04:42:39.70  SN 2026qtn  2026-07-12.22 16.47
02:19:17.26 +28:57:15.40  ASASSN-26ec  2026-07-11.53 2.78
18:31:15.56 -05:34:31.50  AT2026stb   -------
13:36:08.24 +23:29:05.00  AT2026pjf  2026-07-10.18 -0.72
17:33:39.82 +04:22:36.70  SN2026pir  2026-07-9.86 -0.66
11:21:41.26 -50:33:36.30  ASASSN-26ed  2026-07-8.8 -1.3
23:41:42.11 +26:29:49.10  AT2026qil   -------
20:21:30.50 -32:03:40.10  ASASSN-26ee   VIZIER
19:37:44.09 -05:35:42.80  AT2026ryu   -------
11:06:55.46 -04:07:04.50  AT2026qqg   -------
19:07:23.69 -74:13:37.30  AT2026qly  2026-07-5.02 17.31
17:57:43.80 +27:18:40.10  ASASSN-26ea   VIZIER
19:59:01.43 -32:07:34.30  ASASSN-26eb   VIZIER
18:46:50.35 -57:44:13.20  SN 2026qqp   -------
19:17:31.69 -39:55:29.90  ASASSN-26dz   VIZIER
-rw-r--r-- 1 apache apache 9.3K Oct 23 23:21 asassn_transients_list.txt
############################################################
Truncated list of TOCP transients from http://www.cbat.eps.harvard.edu/unconf/tocp.html :
19:45:06.48 +18:22:42.2  PNV J19450648+1822422  2026-08-25.1278  9.0mag
00:42:54.65 +41:22:59.3  PNV J00425465+4122593  2026-08-25.4712  18.9mag
00:42:50.38 +41:18:58.76  PNV J00425038+4118587  2026-09-04.1512  18.2mag
00:42:12.76 +41:16:28.4  PNV J00421276+4116284  2026-09-10.9176  18.67Cmag
17:52:06.80 -23:43:20.7  TCP J17520680-2343207  2026-09-08.7896  12.6mag
00:42:40.94 +41:15:37.1  PNV J00424094+4115371  2026-09-17.8925  18.3mag
08:49:20.13 -09:19:15.8  TCP J08492013-0919158  2026-09-18.4698  13.3mag
00:42:13.93 +41:16:35.6  PNV J00421393+4116356  2026-09-22.6597  19.66Cmag
18:14:01.58 +15:13:55.5  TCP J18140158+1513555  2026-09-24.4645  14.1mag
00:42:36.61 +41:13:50.5  TCP J00423661+4113505  2026-09-29.7462  17.4mag
22:03:46.29 -11:07:57.8  TCP J22034629-1107578  2026-09-29.7438  14.51Cmag
22:05:02.06 +20:49:01.2  TCP J22050206+2049012  2026-10-03.5715  17.13Cmag
00:38:15.01 +41:14:47.2  TCP J00381501+4114472  2026-10-08.5978  17.72Cmag
01:06:05.83 +09:51:20.4  TCP J01060583+0951204  2026-10-10.8543  14.54Cmag
17:54:18.76 -27:36:36.2  TCP J17541876-2736362  2026-10-12.3993  10.8mag
09:56:00.79 +69:06:15.2  PNV J09560079+6906152  2026-10-14.9274  19.38Cmag
00:43:30.83 +41:26:55.3  PNV J00433083+4126553  2026-10-17.5651  18.61Cmag
04:57:32.08 +30:15:41.6  TCP J04573208+3015416  2026-10-17.7818  18.21Cmag
05:21:07.64 +23:38:21.3  TCP J05210764+2338213  2026-10-18.4020  10.3mag
05:34:11.01 +28:45:30.5  TCP J05341101+2845305  2026-10-18.3604  16.6mag
-rw-r--r-- 1 apache apache 191K Oct 23 23:21 tocp_transients_list.txt
############################################################
Truncated list of recent TNS transients from https://www.wis-tns.org/ :
01:56:50.726 -00:15:50.01  AT 2026aekq  2026-10-04.54 20.65
21:53:52.165 -03:57:11.79  AT 2026aekp  2026-10-04.30 20.65
21:09:53.506 -04:58:54.11  AT 2026aeko  2026-10-04.29 20.26
04:13:29.796 -06:55:30.79  AT 2026aekn  2026-10-03.57 20.84
02:32:58.393 +13:55:00.06  AT 2026aekm  2026-10-04.42 20.04
01:05:52.095 +06:54:00.24  AT 2026aekl  2026-10-04.53 19.74
05:09:54.501 -31:21:30.57  AT 2026aekk  2026-10-05.77 20.11
01:29:07.892 -26:42:21.39  AT 2026aekj  2026-10-05.60 19.74
06:14:23.530 -19:34:40.68  AT 2026aeki  2026-10-03.70 19.19
05:58:35.793 -31:52:49.19  AT 2026aekh  2026-10-03.72 20.02
22:42:30.822 +15:28:22.07  AT 2026aekg  2026-10-05.87 19.9
22:38:34.879 -03:25:35.76  AT 2026aekf  2026-10-05.87 20.25
07:32:36.549 -37:03:17.03  AT 2026aeke  2026-10-05.60 19.029
19:25:22.740 -32:13:07.77  AT 2026aekd  2026-10-05.27 17.996
09:12:21.710 -05:34:42.86  AT 2026aekc  2026-10-05.62 18.67
08:29:04.899 -04:03:01.61  AT 2026aekb  2026-10-05.52 19.2696
03:04:56.578 -27:30:12.21  AT 2026aeka  2026-09-18.79 20.21
01:40:37.614 -22:02:34.42  AT 2026aejz  2026-10-03.60 19.79
03:48:35.736 -31:55:43.92  AT 2026aejy  2026-10-03.65 20.11
16:14:39.042 +07:02:42.65  AT 2026aejx  2026-10-05.22 16.65
-rw-r--r-- 1 apache apache 89K Oct 23 23:21 tns_transients_list.txt

=== Transient Factory Profiling ===
Started: Fri Oct 23 23:21:14 CDT 2026
=======================================
TIMING SExtractor: 3 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 0 seconds
TIMING select_aperture: 0 seconds
    VAST_RUN_default.sex.telephoto_lens_onlybrightstars_v1: 5s (0.08 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 31s (0.52 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 7s (0.12 min)
    MAGCAL_SANITY_CHECK: 0s (0.00 min)
      FILTER_MAGNITUDE_CONSOLIDATED: 0s (0.00 min)
      FILTER_FRAME_EDGE: 0s (0.00 min)
      FILTER_SECOND_EPOCH_VERIFY: 0s (0.00 min)
    CANDIDATE_FILTERING_TOTAL: 0s (0.00 min)
    EXCLUSION_LIST_PREPARATION: 0s (0.00 min)
    SEEING_AND_LIMITING_MAG: 0s (0.00 min)
    WAIT_FOR_UCAC5: 3s (0.05 min)
    WCS_IMAGE_ARCHIVING: 1s (0.02 min)
    HTML_REPORT: 0s (0.00 min)
  SE_CONFIG_default.sex.telephoto_lens_onlybrightstars_v1: 48s (0.80 min)
TIMING SExtractor: 6 seconds
TIMING matching_and_photometry: 1 seconds
TIMING lightcurve_write: 1 seconds
TIMING select_aperture: 2 seconds
    VAST_RUN_default.sex.telephoto_lens_vSTL: 12s (0.20 min)
    WCS_CACHE_SETUP: 0s (0.00 min)
    WCS_CALIBRATION_AND_EPHEMERIS: 0s (0.00 min)
    PLATE_VERIFY_AND_POINTING: 1s (0.02 min)
    UCAC5_PLATE_SOLVING: 0s (0.00 min)
    MAGNITUDE_CALIBRATION: 11s (0.18 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: 0s (0.00 min)
    WCS_IMAGE_ARCHIVING: 0s (0.00 min)
    HTML_REPORT: 2s (0.03 min)
  SE_CONFIG_default.sex.telephoto_lens_vSTL: 27s (0.45 min)
FIELD_Dra-06-Q2b1x1: 95s (1.58 min)
=======================================
TOTAL_RUNTIME: 111s (1.85 min)
Finished: Fri Oct 23 23:23:05 CDT 2026