SIMPLE = T / file does conform to FITS standardBITPIX = -32 / number of bits per data pixelNAXIS = 3 / number of data axesNAXIS1 = 4921 / 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 = 4921 / length of data axis 1

NAXIS2 = 3370 / 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 = '2025-05-11T14:53:57' / UTC date that FITS file was created

DATE-OBS= '2024-11-28T17:41:28.549000' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'LIGHT ' / Type of image

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

EXPTIME = 300. / [s] Exposure time duration

TELESCOP= 'ASKAR PHQ 151/740' / Telescope used to acquire this image

FOCALLEN= 740. / [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= -14.6 / [degC] CCD temperature

SET-TEMP= -15. / [degC] CCD temperature setpoint

GAIN = 100 / Sensor gain

OFFSET = 1 / Sensor gain offset

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

STACKCNT= 90 / Stack frames

LIVETIME= 27000. / [s] Exposure time after deadtime correction

EXPSTART= 2460643.23713598 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460644.40748728 / [JD] Exposure end time (standard Julian date)

OBJECT = 'M 33 ' / Name of the object of interest

AIRMASS = 1.08285818718082 / Airmass at frame center (Gueymard 1993)

SITELAT = 49.144 / [deg] Observation site latitude

SITELONG= 2.479 / [deg] Observation site longitude

SITEELEV= 64. / [m] Observation site elevation

OBJCTRA = '01 33 51' / [H M S] Image center Right Ascension

OBJCTDEC= '+30 39 36' / [D M S] Image center Declination

RA = 23.4528809819434 / [deg] Image center Right Ascension

DEC = 30.6403766062071 / [deg] Image center Declination

HISTORY Rotation (6.0deg, recadrage=TRUE, clamp =TRUE)

HISTORY Neutralisation du fond du ciel

HISTORY talonnage des couleurs

HISTORY GHS pivot : 0.000, montant : 240.41, local : 15.00 [0.00 1.00]

HISTORY Transf. histogramme (mid=0.500, lo=0.231, hi=1.000)

HISTORY Recadrage (x=57, y=55, w=4921, h=3370)

HISTORY Extraction gradient GraXpert, lissage 0.500

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

HISTORY Transf. histogramme (mid=0.500, lo=0.045, hi=1.000)

HISTORY Rehaussement de la saturation (quantit =0.30)

HISTORY Rehaussement de la saturation (quantit =0.29)

HISTORY GHS SAT pivot : 0.000, montant : 5.37, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.254, montant : 10.54, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.254, montant : 12.76, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.173, montant : 0.91, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.146, montant : 0.42, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.740, montant : 0.24, local : -5.00 [0.00 1.00]

HISTORY Rehaussement de la saturation (quantit =-0.16)

HISTORY Rehaussement de la saturation (quantit =0.34)

HISTORY GHS SAT pivot : 0.000, montant : 1.58, local : -5.00 [0.00 1.00]

HISTORY GHS pivot : 0.317, montant : 0.44, local : -5.00 [0.00 1.00]

END

Done