--- header unit 0: primary ---
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 2 / number of data axes
NAXIS1 = 1080 / length of data axis 1
NAXIS2 = 1920 / length of data axis 2
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 32768 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
CREATOR = 'ZWO Seestar S50' / Capture software
XORGSUBF = 0 / Subframe X position in binned pixels
YORGSUBF = 0 / Subframe Y position in binned pixels
FOCALLEN = 250 / Focal length of telescope in mm
XBINNING = 1 / Camera X Bin
YBINNING = 1 / Camera Y Bin
CCDXBIN = 1 / Camera X Bin
CCDYBIN = 1 / Camera Y Bin
XPIXSZ = 2.90000009536743 / pixel size in microns (with binning)
YPIXSZ = 2.90000009536743 / pixel size in microns (with binning)
IMAGETYP = 'Light' / Type of image
EXPOSURE = 10. / Exposure time in seconds
EXPTIME = 10. / Exposure time in seconds
CCD-TEMP = 25.6875 / sensor temperature in C
RA = 149.50833 / Object Right Ascension in degrees
DEC = 69.128889 / Object Declination in degrees
SITELONG = -90.4547 / longitude of the imaging site in degrees
SITELAT = 37.1061 / latitude of the imaging site in degrees
DATE-OBS = '2024-04-08T02:00:32.935556' / Image created time
FILTER = 'IRCUT' / Filter used when taking image
INSTRUME = 'Seestar S50' / Camera model
BAYERPAT = 'GRBG' / Bayer pattern
GAIN = 80 / Gain Value
FOCUSPOS = 1533 / Focuser position in steps
TELESCOP = 'Seestar S50' / Telescope name
OBJECT = 'M 81' / name or catalog number of object being imaged