resultat4

SIMPLE = T / file does conform to FITS standard

BITPIX = 20 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 2811 / length of data axis 1

NAXIS2 = 2299 / 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

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

BSCALE = 1 / default scaling factor

DATE = '2025-05-13T17:49:28' / UTC date that FITS file was created

DATE-OBS= '2025-03-29T00:41:13.652057' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'ZWO ASI294MC Pro' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= 'EQMod Mount' / telescope used to acquire this image

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

XPIXSZ = 4.63 / X pixel size microns

YPIXSZ = 4.63 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 602 / Camera focal length

CCD-TEMP= -10 / CCD temp in C

SET-TEMP= -10 / Temperature setting in C

EXPTIME = 180 / Exposure time [s]

STACKCNT= 235 / Stack frames

LIVETIME= 42300 / Exposure time after deadtime correction

EXPSTART= 2.46076e+006 / Exposure start time (standard Julian date)

EXPEND = 2.4608e+006 / Exposure end time (standard Julian date)

IMAGETYP= 'Light ' / Type of image

OBJECT = 'M 81 ' / Name of the object of interest

CVF = 1.00224 / Conversion factor (e-/adu)

GAIN = 120 / Camera ga

Done