Galaxie d'andromède

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 6036 / length of data axis 1

NAXIS2 = 4020 / 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-beta4' / Software that created this HDU

FILENAME= 'img_0011.nef'

DATE = '2025-11-01T10:06:59' / UTC date that FITS file was created

DATE-OBS= '2017-08-20T22:39:36' / YYYY-MM-DDThh🇲🇲ss observation start, UT

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

EXPTIME = 123. / [s] Exposure time duration

ISOSPEED= 250. / ISO camera setting

FOCALLEN= 1158.489 / [mm] Focal length

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

XPIXSZ = 5. / [um] Pixel X axis size

YPIXSZ = 5. / [um] Pixel Y axis size

INSTRUME= 'Nikon D5200' / Instrument name

STACKCNT= 78 / Stack frames

LIVETIME= 9529.5998916626 / [s] Exposure time after deadtime correction

EXPSTART= 2457986.43081019 / [JD] Exposure start time (standard Julian date)

EXPEND = 2457986.61906943 / [JD] Exposure end time (standard Julian date)

OBJCTRA = '00 42 26.189' / [H M S] Image center Right Ascension

OBJCTDEC= '+41 19 38.552' / [D M S] Image center Declination

RA = 10.6091190843413 / [deg] Image center Right Ascension

DEC = 41.3273755778947 / [deg] Image center Declination

CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions

CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions

CUNIT1 = 'deg ' / Unit of coordinates

CUNIT2 = 'deg ' / Unit of coordinates

EQUINOX = 2000. / Equatorial equinox

CRPIX1 = 3018.5 / Axis1 reference pixel

CRPIX2 = 2010.5 / Axis2 reference pixel

CRVAL1 = 10.6091190843413 / [deg] Axis1 reference value

CRVAL2 = 41.3273755778947 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.000247277488832208 / [deg] X pixel size

CDELT2 = 0.000247295686311149 / [deg] Y pixel size

PC1_1 = 0.723517411000228 / Linear transformation matrix (1, 1)

PC1_2 = 0.690306132074406 / Linear transformation matrix (1, 2)

PC2_1 = -0.690449231186407 / Linear transformation matrix (2, 1)

PC2_2 = 0.723380853461094 / Linear transformation matrix (2, 2)

A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky

A_0_0 = 0.

A_1_0 = 0.

A_0_1 = 0.

A_2_0 = 2.60771910752349E-08

A_1_1 = -1.86634136428528E-08

A_0_2 = 4.06674834757682E-08

A_3_0 = -6.05931488148592E-10

A_2_1 = 2.56883210469854E-11

A_1_2 = -6.53524530828069E-10

A_0_3 = 7.25083282937301E-11

B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky

B_0_0 = 0.

B_1_0 = 0.

B_0_1 = 0.

B_2_0 = 1.50276602598993E-07

B_1_1 = -1.6434617742354E-08

B_0_2 = -1.98369209680245E-08

B_3_0 = 3.90050019482281E-11

B_2_1 = -5.74875020546825E-10

B_1_2 = -4.68060214532268E-11

B_0_3 = -5.39125306836144E-10

AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel

AP_0_0 = 0.00466628178056705

AP_1_0 = -5.77783443298507E-05

AP_0_1 = 2.46590735907731E-06

AP_2_0 = -2.7642869210866E-08

AP_1_1 = 1.86261052482085E-08

AP_0_2 = -4.20836666275435E-08

AP_3_0 = 6.23033563027215E-10

AP_2_1 = -2.72709576667416E-11

AP_1_2 = 6.74726273410097E-10

AP_0_3 = -7.40353685585022E-11

BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel

BP_0_0 = 0.00238839704565799

BP_1_0 = 7.02212940738368E-08

BP_0_1 = -3.74149093612663E-05

BP_2_0 = -1.52984415511728E-07

BP_1_1 = 1.54068935989443E-08

BP_0_2 = 1.95356304418592E-08

BP_3_0 = -3.98923175670779E-11

BP_2_1 = 5.90706303502153E-10

BP_1_2 = 4.75457974444921E-11

BP_0_3 = 5.5121324303925E-10

PLTSOLVD= T / Siril internal solver

HISTORY Extraction du gradient (Correction : Subtraction)

HISTORY R solution astrom trique

HISTORY Photom trie CC (algorithme : PCC)

HISTORY D convolution

HISTORY Transf. histogramme (mid=0.001, lo=0.100, hi=1.000)

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

HISTORY Rehaussement de la saturation (quantit =0.25)

END

Done