bonjour, réalisé avec une ASI6200 sur ASKAR FRA 500, monture GEM 28 EC sans autoguidage.
1h 30 d’exposition pour chaque couche.
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 9552 / length of data axis 1
NAXIS2 = 6337 / 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
MIPS-HI = 65535 / Lower visualization cutoff
PROGRAM = ‘Siril 1.4.0-beta3’ / Software that created this HDU
DATE = ‘2025-09-05T22:37:55’ / UTC date that FITS file was created
DATE-OBS= ‘2025-07-25T22:29:09.009117’ / YYYY-MM-DDThh:mm:ss observation start,
IMAGETYP= ‘Light ‘ / Type of image
ROWORDER= ‘BOTTOM-UP’ / Order of the rows in image array
EXPTIME = 120. / [s] Exposure time duration
TELESCOP= ‘iOptron CEM26/GEM28/HEM27’ / Telescope used to acquire this image
FILTER = ‘mixed ‘ / Active filter name
FOCALLEN= 498. / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 3.75999999046326 / [um] Pixel X axis size
YPIXSZ = 3.75999999046326 / [um] Pixel Y axis size
INSTRUME= ‘ZWO ASI6200MM Pro’ / Instrument name
CCD-TEMP= 0. / [degC] CCD temperature
SET-TEMP= 0. / [degC] CCD temperature setpoint
GAIN = 101 / Sensor gain
OFFSET = 50 / Sensor gain offset
CVF = 0.243834167718887 / [e-/ADU] Electrons per A/D unit
STACKCNT= 90 / Stack frames
LIVETIME= 10800. / [s] Exposure time after deadtime correction
EXPSTART= 2460882.43690983 / [JD] Exposure start time (standard Julian date)
EXPEND = 2460882.57610307 / [JD] Exposure end time (standard Julian date)
OBJECT = ‘NGC 7000’ / Name of the object of interest
SITELAT = 44.1311 / [deg] Observation site latitude
SITELONG= 3.34611 / [deg] Observation site longitude
RA = 315.05004 / [deg] Image center Right Ascension
DEC = 44.617239 / [deg] Image center Declination
HISTORY Miroir X
HISTORY Transf. histogramme (mid=0.000, lo=0.000, hi=1.000)
HISTORY Transf. histogramme (mid=0.500, lo=0.066, hi=0.875)
HISTORY SCNR (type=neutre moyen, qt =0.89, pr serve=true)
HISTORY Curves Transformation with 2 points
HISTORY Rehaussement de la saturation (quantit =0.51)
END
