Milky Way (Butterfly Nebula)

SIMPLE = T / file does conform to FITS standard

BITPIX = 16 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 5770 / length of data axis 1

NAXIS2 = 3686 / 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

PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU

FILENAME= 'PLS53172.RW2'

DATE = '2025-05-30T17:31:57' / UTC date that FITS file was created

DATE-OBS= '2025-05-27T19:53:46' / YYYY-MM-DDThh🇲🇲ss observation start, UT

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

EXPTIME = 40. / [s] Exposure time duration

APERTURE= 2.79999995231628 / Aperture of the instrument

ISOSPEED= 1000. / ISO camera setting

FOCALLEN= 180. / [mm] Focal length

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

XPIXSZ = 5.98999977111816 / [um] Pixel X axis size

YPIXSZ = 5.98999977111816 / [um] Pixel Y axis size

INSTRUME= 'Panasonic DC-S5M2' / Instrument name

STACKCNT= 76 / Stack frames

LIVETIME= 3040. / [s] Exposure time after deadtime correction

EXPSTART= 2460823.32368056 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460823.36594907 / [JD] Exposure end time (standard Julian date)

HISTORY Histogram Transf. (mid=0.074, lo=0.000, hi=0.561)

HISTORY SCNR (type=average neutral, amount=1.00, preserve=true)

BG-EXTR = 'GraXpert'

CBG-1 = 0.0036703765

CBG-2 = 0.0036703765

CBG-3

Done