M16-M17.jpg
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M16-M17.jpg
Object: M16, M17 wide field
Optic: Pentax75 75/500 Refractor
Camera: SBIG STL11000M C2 at -20°C, selfguiding
Filter: Baader 50mm L-RGB
Date1:
Exposures: RGB:56:40:40min, subexposures 8min, 45 Flatfields, 47 Bias, 12 Darks
2013.08.05, Osttirol, Austria
Date2:
Exposures: Ha 88:min, subexposures 8min
2013.08.06, Osttirol, Austria
Preprocessing:
Pixinsight (Callibration, Registration, Cosmetic Correction, Integration, RGB, Masked Stretch)
Processing: Pixinsight HaRGB Script (AIP Method)
PS: Color enhancement, Color Gradient, Selective Color
PS RAWDiag