Nébuleuse du Croissant_15_08_2023

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 2674 / length of data axis 1

NAXIS2 = 3089 / 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 = '2023-08-25T07:19:26' / UTC date that FITS file was created

DATE-OBS= '2023-08-15T21:33:20' / YYYY-MM-DDThh🇲🇲ss observation start, UT

INSTRUME= 'Canon EOS 500D' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= ' ' / telescope used to acquire this image

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

XPIXSZ = 4.68 / X pixel size microns

YPIXSZ = 4.68 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 746.212 / Camera focal length

CCD-TEMP= 0 / CCD temp in C

EXPTIME = 182 / Exposure time [s]

STACKCNT= 100 / Stack frames

LIVETIME= 18100 / Exposure time after deadtime correction

EXPSTART= 2.46017e+06 / Exposure start time (standard Julian date)

EXPEND = 2.46017e+06 / Exposure end time (standard Julian date)

ISOSPEED= 1600 / ISO camera setting

CTYPE1 = 'RA---TAN' / Coordinate type for the first axis

CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis

CUNIT1 = 'deg ' / Unit of coordinates

CUNIT2 = 'deg ' / U

Done