--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16 / 8 unsigned int, 16 & 32 int, -32 & -64 real
NAXIS = 2 / number of axes
NAXIS1 = 400 / fastest changing axis
NAXIS2 = 300 / next to fastest changing axis
BSCALE = 1.0000000000000000 / physical = BZERO + BSCALE*array_value
BZERO = 32768.000000000000 / physical = BZERO + BSCALE*array_value
DATE-OBS = '2026-01-19T17:45:13.51' / YYYY-MM-DDThh:mm:ss observation start, UT
EXPTIME = 8.0000000000000000 / Exposure time in seconds
EXPOSURE = 8.0000000000000000 / Exposure time in seconds
SET-TEMP = -40.000000000000000 / CCD temperature setpoint in C
CCD-TEMP = -39.647043628958500 / CCD temperature at start of exposure in C
XPIXSZ = 18.000000000000000 / Pixel Width in microns (after binning)
YPIXSZ = 18.000000000000000 / Pixel Height in microns (after binning)
XBINNING = 2 / Binning factor in width
YBINNING = 2 / Binning factor in height
XORGSUBF = 802 / Subframe X position in binned pixels
YORGSUBF = 518 / Subframe Y position in binned pixels
IMAGETYP = 'Light Frame' / Type of image
FOCALLEN = 2052.0000000000000 / Focal length of telescope in mm
APTDIA = 0.50000000000000000 / Aperture diameter of telescope in mm
APTAREA = 0.19634954631328583 / Aperture area of telescope in mm^2
EGAIN = 1.2000000476837158 / Electronic gain in e-/ADU
SBSTDVER = 'SBFITSEXT Version 1.0' / Version of SBFITSEXT standard in effect
SWCREATE = 'MaxIm DL Version 6.11 141223 1VH7F' / Name of software
SWSERIAL = '1VH7F-K9Y6J-9C35K-TUXJ7-6J8QF-V2' / Software serial number
SITELAT = '43 28 15' / Latitude of the imaging location
SITELONG = '87 10 40' / Longitude of the imaging location
JD = 2461060.2397396993 / Julian Date at start of exposure
OBJECT = '20260119'
TELESCOP = 'HMT' / telescope used to acquire this image
INSTRUME = 'QHYCCD QHY11S'
OBSERVER = 'Xing Gao'
NOTES = ''
FLIPSTAT = ''
SWOWNER = 'Tan Yong Liang' / Licensed owner of software