M74 Spiralgalaxie im Sternbild FischeSIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 3 / number of data axes NAXIS1 = 1996 / length of data axis 1 NAXIS2 = 1515 / 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 DATE = '2023-05-29T19:31:53' / UTC date that FITS file was created DATE-OBS= '2021-09-07T21:33:55' / YYYY-MM-DDThh:mm:ss observation start, UT INSTRUME= 'Canon EOS 1000D' / instrument name OBSERVER= ' ' / observer name TELESCOP= ' ' / telescope used to acquire this image ROWORDER= 'BOTTOM-UP' / Order of the rows in image array XPIXSZ = 5.71 / X pixel size microns YPIXSZ = 5.71 / Y pixel size microns XBINNING= 1 / Camera binning mode YBINNING= 1 / Camera binning mode FOCALLEN= 1004.68 / Camera focal length CCD-TEMP= 0 / CCD temp in C EXPTIME = 602 / Exposure time [s] STACKCNT= 53 / Stack frames LIVETIME= 31906 / Exposure time after deadtime correction ISOSPEED= 400 / 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 = '01 36 41.826' / Image center Right Ascension (hms) OBJCTDEC= '+15 47 38.462' / Image center Declination (dms) RA = 24.1743 / Image center Right Ascension (deg) DEC = 15.794 / Image center Declination (deg) CRPIX1 = 998 / Axis1 reference pixel CRPIX2 = 757.5 / Axis2 reference pixel CRVAL1 = 24.1743 / Axis1 reference value (deg) CRVAL2 = 15.794 / Axis2 reference value (deg) CDELT1 = -0.000325513 / X pixel size (deg) CDELT2 = 0.000325756 / Y pixel size (deg) PC1_1 = -0.0680753 / Linear transformation matrix (1, 1) PC1_2 = 0.998459 / Linear transformation matrix (1, 2) PC2_1 = -0.996934 / Linear transformation matrix (2, 1) PC2_2 = -0.067595 / Linear transformation matrix (2, 2) PLTSOLVD= T / Siril internal solve HISTORY mean stacking with winsorized sigma clipping rejection (low=3.000 high=2 HISTORY .500), additive+scaling normalized input (fast), unnormalized output, no HISTORY image weighting, unequalized RGB HISTORY Beschneiden (x=589, y=462, w=1996, h=1515) HISTORY Hintergrundextraktion (Korrektur: Subtraction) HISTORY Photometrie CC HISTORY Photometrie CC HISTORY Asinh Transformation: (stretch= 619.3, bp=0.00000) HISTORY SCNR (Typ=Durchschnittlich neutral, Stärke=1.00, Erhaltung=true) HISTORY Wavelet Transformation HISTORY Histogramm-Übertragungen. (Mitte=0.348, lo=0.046, hi=1.000) HISTORY Wavelet Transformation HISTORY Median Filter (filter=9x9 Pixel) HISTORY Median Filter (filter=9x9 Pixel) HISTORY Median Filter (filter=9x9 Pixel) HISTORY Canon Banding-Reduzierung (Betrag=1.00) HISTORY Canon Banding-Reduzierung (Betrag=0.01) HISTORY Canon Banding-Reduzierung (Betrag=4.00) HISTORY Canon Banding-Reduktion (Menge=4.00, Protect=TRUE, invsigma=4.50) HISTORY Canon Banding-Reduktion (Menge=4.00, Protect=TRUE, invsigma=5.00) HISTORY Asinh Transformation: (stretch= 1.0, bp=0.05012) HISTORY SCNR (Typ=Durchschnittlich neutral, Stärke=1.00, Erhaltung=true) HISTORY Histogramm-Übertragungen. (Mitte=0.596, lo=0.022, hi=1.000) END