IC 1805-1848 réd étoiles

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 5400 / length of data axis 1

NAXIS2 = 3537 / 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 = '2023-11-19T07:59:43' / UTC date that FITS file was created

DATE-OBS= '2023-11-17T18:05:02' / YYYY-MM-DDThh🇲🇲ss observation start, UT

INSTRUME= 'Canon EOS 6D' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= ' ' / telescope used to acquire this image

ROWORDER= 'BOTTOM-UP' / Order of the rows in image array

XPIXSZ = 6.55 / X pixel size microns

YPIXSZ = 6.55 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 150 / Camera focal length

CCD-TEMP= 0 / CCD temp in C

EXPTIME = 180.2 / Exposure time [s]

STACKCNT= 50 / Stack frames

LIVETIME= 9009.8 / Exposure time after deadtime correction

EXPSTART= 2.46027e+06 / Exposure start time (standard Julian date)

EXPEND = 2.46027e+06 / Exposure end time (standard Julian date)

APERTURE= 5 / Aperture of the instrument

ISOSPEED= 1600 / ISO camera setting

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

HISTORY .000), additive+scaling normalized input, normalized output, no image we

HISTORY ighting, equalized RGB

HISTORY Recadrage (x=95, y=0, w=5400, h=3537)

HISTORY Extraction du gradient (Correction : Subtraction)

HISTORY Transformation asinh : (stretch= 5.6, bp=0.00000)

HISTORY Transf. histogramme (mid=0.008, lo=0.089, hi=1.000)

END

 

Done