M31.jpg
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M31.jpg
Object: M31
Optic: Pentax75 75/500 Refractor
Camera: Canon EOS 6D @ ISO800
Exposures: 30x8min, 16x45s, 72 Flatfields, 61 Bias, 9 Darks
Guiding: 60/500 Refractor (Wundert├╝te), I-Nova PLA-Mx 310Kp
Date: 2013-10-30, Kreben
Preprocessing:
Pixinsight (Calibration, Debayer, Registration, Integration)
Processing:
Pixinsight
RGBWS, extract L, Deconvolution for L, STF-Stretch for RGB and L, L-RGB Combination
PS: Star removing (dust and scratches), difference map for stars, star shrinking with minimum filter.
Processing of galaxie and background: color enhancement, HighPass sharping, strong dynamic/saturation, selective color, masked soft light