M 101 v3

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 5291 / length of data axis 1

NAXIS2 = 3530 / length of data axis 2

NAXIS3 = 3 / length of data axis 3

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

MIPS-FHI= 1 / Upper visualization cutoff

MIPS-FLO= 0 / Lower visualization cutoff

BZERO = 0 / offset data range to that of unsigned short

BSCALE = 1 / default scaling factor

DATE = '2024-03-10T21:27:25' / UTC date that FITS file was created

DATE-OBS= '2024-03-07T20:22:04.828180' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'ZWO ASI183MC Pro' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= ' ' / telescope used to acquire this image

ROWORDER= 'TOP-DOWN' / Order of the rows in image array

XPIXSZ = 2.4 / X pixel size microns

YPIXSZ = 2.4 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 372.063 / Camera focal length

CCD-TEMP= -20 / CCD temp in C

EXPTIME = 120 / Exposure time [s]

STACKCNT= 205 / Stack frames

LIVETIME= 24600 / Exposure time after deadtime correction

EXPSTART= 2.46038e+06 / Exposure start time (standard Julian date)

EXPEND = 2.46038e+06 / Exposure end time (standard Julian date)

IMAGETYP= 'Light ' / Type of image

OBJECT = 'M101 ' / Name of the object of interest

GAIN = 186 / Camera

Done