Sh2-157-bicolor.jpg
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Sh2-157-bicolor.jpg
Object: Sh2-157
Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector
Camera: Moravian G2 8300 @-20°C, EFW-2S-10, Moravian OAG
Filter: Baader 36mm Filter, Ha, OIII, SII
Exposure summarized 18,5h: 57x8min Ha, 46x8min OIII, 36x8min SII, 7x2min R, 7x2min G, 7x2min B,
121xBias, 24xDark, 51x Ha-Flat, 51x OIII-Flat
Guiding: QHY5L-II, PHD2
Color:
R = 0.24*SII + Ha
G = OIII
B = OIII+0.15*Ha
Date1/Location: 2015-10-31, Zirndorf
Date2/Location: 2015-11-01, Zirndorf
Date3/Location: 2015-11-02, Zirndorf
Workflow:
ImageCalibration, CosmeticCorrection, ImageRegistration, MaskStretch, HistogramTransformation,
BiColor Combination with Pixelmath, LRGB with Ha as L, StarMask, MorphologicalTransformation, MLT, ColorSaturation
PS: Starremoval, SoftLight, Screen, Blend of RGB Stars, Levels, masked HighPass Sharping, HueSaturation, unsharpMasking, Levels