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15 septembre 2026/
Matériel: Seestar S50Pro Environ 400 poses mixées de 20s, 30s et 60 secondes Lieu: Maurecourt Empilement: Seestar Traitement : Seestar,...
8 février 2026/
La nébuleuse d’Orion ou Grande Nébuleuse d’Orion ou Messier 42 (M42 du catalogue de Messier) ou Sh2-281 ou LBN 974...
31 janvier 2026/
La physique quantique est une branche fondamentale de la physique qui décrit le comportement de la matière et de l’énergie...
![SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 990 / length of data axis 1
NAXIS2 = 1872 / 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-beta3' / Software that created this HDU
DATE = '2025-08-12T07:55:38' / UTC date that FITS file was created
EXPTIME = 0. / [s] Exposure time duration
APERTURE= 0. / Aperture of the instrument
ISOSPEED= 0. / ISO camera setting
CENTALT = 0. / [deg] Altitude of telescope
CENTAZ = 0. / [deg] Azimuth of telescope
XBINNING= 0 / Camera binning mode
YBINNING= 0 / Camera binning mode
CCD-TEMP= 0. / [degC] CCD temperature
SET-TEMP= 0. / [degC] CCD temperature setpoint
GAIN = 0 / Sensor gain
OFFSET = 0 / Sensor gain offset
CVF = 0. / [e-/ADU] Electrons per A/D unit
FOCPOS = 0 / [step] Focuser position
FOCUSSZ = 0 / [um] Focuser step size
FOCTEMP = 0. / [degC] Focuser temperature
STACKCNT= 0 / Stack frames
LIVETIME= 0. / [s] Exposure time after deadtime correction
EXPSTART= 0. / [JD] Exposure start time (standard Julian date)
EXPEND = 0. / [JD] Exposure end time (standard Julian date)
AIRMASS = 0. / Airmass at frame center (Gueymard 1993)
SITELAT = 0. / [deg] Observation site latitude
SITELONG= 0. / [deg] Observation site longitude
SITEELEV= 0. / [m] Observation site elevation
DFTTYPE = 'SPECTRUM' / Module/Phase of a Discrete Fourier Transform
DFTORD = 'CENTERED' / Low/High spatial freq. are located at image cen
DFTNORM1= 9227.1162109375 / Normalisation value for channel #1
DFTNORM2= 9219.8037109375 / Normalisation value for channel #2
DFTNORM3= 9213.9423828125 / Normalisation value for channel #3
RA = 311.69166 / [deg] Image center Right Ascension
DEC = 30.792778 / [deg] Image center Declination
HISTORY Rehaussement de la saturation (quantit =1.00)
HISTORY Rehaussement de la saturation (quantit =0.46)
HISTORY SCNR (type=neutre moyen, qt =1.00, pr serve=true)
HISTORY Transformation ondelettes
HISTORY R duction de la trame (niveau=1.00)
HISTORY R duction de la trame (niveau=2.00)
HISTORY Filtre anti-violet : (seuil=0.45, mod_b=1.00)
HISTORY Attribution d'un profil de couleur
HISTORY Conversion des profils de couleur
HISTORY Transformation asinh : (stretch= 804.5, bp=0.00000)
HISTORY Transformation asinh : (stretch= 6.0, bp=0.01300)
HISTORY Transformation asinh : (stretch= 3.0, bp=0.01200)
HISTORY Transformation asinh : (stretch= 4.0, bp=0.01800)
HISTORY Transformation asinh : (stretch= 3.0, bp=0.01200)
HISTORY Transformation asinh : (stretch= 3.0, bp=0.01400)
HISTORY Recadrage (x=1, y=44, w=990, h=1872)
HISTORY SCNR (type=neutre moyen, qt =1.00, pr serve=true)
HISTORY D bruitage NL-Bayes (mod=1.000, DA3D activ )
HISTORY SCNR (type=neutre moyen, qt =1.00, pr serve=true)
HISTORY Transformation asinh : (stretch= 0.0, bp=0.01844)
END](https://observatoiredetriel.com/wp-content/uploads/NGC_6960_482x10sec_T26degC_2025-08-09_ReducedStars-1-150x150.jpeg)
24 août 2025/
362 poses de 10s avec SeeStar S50
18 juillet 2025/
Le CAY organise une observation publique le vendredi 1er aout 2025 à partir de 20h30 au COSEC de Triel-sur-Seine