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 |