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Astrofotography Deep-Sky-Objekt DSLR

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SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 3 / number of data axes NAXIS1 = 3884 / length of data axis 1 NAXIS2 = 2587 / 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 MIPS-FHI= 0.25948 / Upper visualization cutoff MIPS-FLO= 0 / Lower visualization cutoff BZERO = 0 / offset data range to that of unsigned short BSCALE = 1 / default scaling factor DATE = '2023-09-20T10:10:24' / UTC date that FITS file was created DATE-OBS= '2018-10-13T21:09:13' / YYYY-MM-DDThh:mm:ss observation start, UT INSTRUME= 'Canon EOS 450D' / instrument name OBSERVER= ' ' / observer name TELESCOP= ' ' / telescope used to acquire this image ROWORDER= 'BOTTOM-UP' / Order of the rows in image array XPIXSZ = 5.2 / X pixel size microns YPIXSZ = 5.2 / Y pixel size microns XBINNING= 1 / Camera binning mode YBINNING= 1 / Camera binning mode FOCALLEN= 650.205 / Camera focal length CCD-TEMP= 0 / CCD temp in C EXPTIME = 300 / Exposure time [s] STACKCNT= 33 / Stack frames LIVETIME= 9900 / Exposure time after deadtime correction EXPSTART= 2.45841e+06 / Exposure start time (standard Julian date) EXPEND = 2.45841e+06 / Exposure end time (standard Julian date) ISOSPEED= 800 / ISO camera setting CTYPE1 = 'RA---TAN' / Coordinate type for the first axis CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis CUNIT1 = 'deg ' / Unit of coordinates CUNIT2 = 'deg ' / Unit of coordinates EQUINOX = 2000 / Equatorial equinox OBJCTRA = '03 47 9.898' / Image center Right Ascension (hms) OBJCTDEC= '+24 10 7.026' / Image center Declination (dms) RA = 56.7912 / Image center Right Ascension (deg) DEC = 24.1686 / Image center Declination (deg) CRPIX1 = 1885 / Axis1 reference pixel CRPIX2 = 1281 / Axis2 reference pixel CRVAL1 = 56.7912 / Axis1 reference value (deg) CRVAL2 = 24.1686 / Axis2 reference value (deg) CDELT1 = -0.000458199 / X pixel size (deg) CDELT2 = 0.000458238 / Y pixel size (deg) PC1_1 = 0.99353 / Linear transformation matrix (1, 1) PC1_2 = 0.114329 / Linear transformation matrix (1, 2) PC2_1 = -0.11356 / Linear transformation matrix (2, 1) PC2_2 = 0.993444 / Linear transformation matrix (2, 2) PLTSOLVD= T / Siril internal solve HISTORY mean stacking with median sigma clipping rejection (low=3.000 high=3.000 HISTORY Photometric CC HISTORY Asinh Transformation: (stretch= 684.4, bp=0.01500) HISTORY Background extraction (Correction: Subtraction) HISTORY Histogram Transf. (mid=0.333, lo=0.097, hi=1.000) HISTORY SCNR (type=average neutral, amount=1.00, preserve=true) HISTORY Crop (x=260, y=122, w=3884, h=2587) END

Teleskop oder Objektiv (Aufnahme): Skywatcher 130/650
Aufnahmekamera: Canon 450D modified
Montierung: Meade LXD-75
Teleskop oder Objektiv (Nachführung): Svbony 50/185mm
Nachführkamera: Philips SP 900 NC
Software: DeepSkyStacker (DSS) DSS 3.3.4 · GIMP 2.10

Datum: 13. Oktober 2018
Frames: 33×300″
Aufnahmedauer: 2.8 Stunden

Durchschnittliches Mondalter: 4.41 Tage
Durchschnittliche Mondphase: 20.46%

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