SIMPLE = T / file does conform to FITS standardBITPIX = -32 / number of bits per data pixelNAXIS = 3 / number of data axesNAXIS1 = 5132 / length of data axis 1NAXIS2 =

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 5132 / length of data axis 1

NAXIS2 = 3081 / 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-beta1' / Software that created this HDU

DATE = '2025-05-13T17:29:18' / UTC date that FITS file was created

DATE-OBS= '2025-01-30T21:04:44.113000' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'LIGHT ' / Type of image

ROWORDER= 'TOP-DOWN' / Order of the rows in image array

EXPTIME = 240. / [s] Exposure time duration

TELESCOP= 'SKYVISION' / Telescope used to acquire this image

FOCALLEN= 984. / [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 ASI2600MC Pro' / Instrument name

CCD-TEMP= -9.7 / [degC] CCD temperature

SET-TEMP= -10. / [degC] CCD temperature setpoint

GAIN = 100 / Sensor gain

OFFSET = 1 / Sensor gain offset

CVF = 0.242862924933434 / [e-/ADU] Electrons per A/D unit

STACKCNT= 38 / Stack frames

LIVETIME= 9120. / [s] Exposure time after deadtime correction

EXPSTART= 2460706.37828834 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460706.48538635 / [JD] Exposure end time (standard Julian date)

OBJECT = 'NGC 1952' / Name of the object of interest

AIRMASS = 1.30657049666723 / Airmass at frame center (Gueymard 1993)

SITELAT = 49.1444444444444 / [deg] Observation site latitude

SITELONG= 2.47944444444444 / [deg] Observation site longitude

SITEELEV= 64. / [m] Observation site elevation

OBJCTRA = '05 34 32' / [H M S] Image center Right Ascension

OBJCTDEC= '+22 00 52' / [D M S] Image center Declination

RA = 83.7435939030813 / [deg] Image center Right Ascension

DEC = 21.963255495993 / [deg] Image center Declination

HISTORY Recadrage (x=522, y=533, w=5132, h=3081)

HISTORY Extraction gradient GraXpert, lissage 0.500

HISTORY D bruitage GraXpert, force 0.800

HISTORY GHS pivot : 0.000, montant : 691.66, local : 15.00 [0.00 1.00]

HISTORY Transf. histogramme (mid=0.500, lo=0.271, hi=1.000)

HISTORY GHS pivot : 0.005, montant : 15.40, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.011, montant : 17.27, local : -5.00 [0.00 1.00]

HISTORY SCNR (type=neutre moyen, qt =1.00, pr serve=true)

HISTORY GHS pivot : 0.246, montant : 16.55, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.135, montant : 2.07, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.050, montant : 0.46, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.023, montant : 6.91, local : -5.00 [0.00 1.00]

END

Done