Cometa C2023 A3

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 6040 / length of data axis 1

NAXIS2 = 4032 / 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 = '2024-10-17T22:30:00' / UTC date that FITS file was created

DATE-OBS= '2024-10-16T19:25:00' / YYYY-MM-DDThh🇲🇲ss observation start, UT

INSTRUME= 'Nikon Z 5' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= ' ' / telescope used to acquire this image

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

XPIXSZ = 5.96 / X pixel size microns

YPIXSZ = 5.96 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 500 / Camera focal length

CCD-TEMP= 0 / CCD temp in C

SET-TEMP= 0 / Temperature setting in C

EXPTIME = 0.333333 / Exposure time [s]

STACKCNT= 23 / Stack frames

LIVETIME= 7.66667 / Exposure time after deadtime correction

EXPSTART= 2.4606e+06 / Exposure start time (standard Julian date)

EXPEND = 2.4606e+06 / Exposure end time (standard Julian date)

APERTURE= 6.3 / Aperture of the instrument

ISOSPEED= 12800 / ISO camera setting

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

HISTORY .000), additive+s

Done