m42 1

SIMPLE = T / file does conform to FITS standard

BITPIX = 20 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 3840 / length of data axis 1

NAXIS2 = 2160 / 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-HI = 65535 / Upper visualization cutoff

MIPS-LO = 0 / Lower visualization cutoff

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

BSCALE = 1 / default scaling factor

DATE = '2024-03-09T08:26:20' / UTC date that FITS file was created

DATE-OBS= '2024-03-07T21:05:11.969013' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'ZWO ASI585MC' / instrument name

OBSERVER= ' ' / observer name

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

XPIXSZ = 2.9 / X pixel size microns

YPIXSZ = 2.9 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 375 / Camera focal length

CCD-TEMP= 11.3 / CCD temp in C

EXPTIME = 60 / Exposure time [s]

STACKCNT= 11 / Stack frames

LIVETIME= 660 / 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

CVF = 0.434589 / Conversion factor (e-/adu)

GAIN = 283 / Camera gain

OFFSET = 3 / Camera offset

RA = 84.1869 / Image center Right Ascension (deg)

DEC = -5.4895 / Image center Declination (deg)

HISTORY mean stacking with winsorized sigma clipping rejection (low=3.000 high=3

HISTORY Extraction du gradient (Correction : Subtraction)

HISTORY Transf. histogramme (mid=0.288, lo=0.036, hi=1.000)

HISTORY Transf. histogramme (mid=0.334, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.074, hi=1.000)

HISTORY Transf. histogramme (mid=0.332, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.074, hi=1.000)

HISTORY Transf. histogramme (mid=0.395, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.074, hi=1.000)

HISTORY Transf. histogramme (mid=0.446, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.041, hi=1.000)

HISTORY Transf. histogramme (mid=0.462, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.028, hi=1.000)

HISTORY Transf. histogramme (mid=0.431, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.028, hi=1.000)

HISTORY Transf. histogramme (mid=0.454, lo=0.000, hi=1.000)

HISTORY Transf. histogramme (mid=0.500, lo=0.023, hi=1.000)

HISTORY Transf. histogramme (mid=0.474, lo=0.000, hi=1.000)

HISTORY SCNR (type=neutre moyen, qté=1.00, préserve=true)

HISTORY Neutralisation du fond du ciel

HISTORY Réduction de la trame (niveau=1.00)

END

Done