Sh2-171-bicolor.jpg
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Sh2-171-bicolor.jpg
Object: Sh2-171 natural Narrowband
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 5,9h: 33x8min Ha, 11x8min OIII, 11x8min SII
121xBias, 24xDark, 51x Ha-Flat, 51x OIII-Flat
Guiding: QHY5L-II, PHD2
Color:
R = 0.8*Ha + 0.24*SII
G = 0.25*Ha + 0.75*OIII
B = 1.1*OIII + 0.2*Ha
Date1/Location: 2015-11-3, Zirndorf
Date2/Location: 2015-11-5, Zirndorf
Workflow:
ImageCalibration, CosmeticCorrection, ImageRegistration, MaskStretch, HistogramTransformation,
Curves, color combination Pixelmath
PS: Starremoval, Levels, Dynamic, Ha as Luminance, maskedHighPassSharping, maskedSoftLight,
maskedScreen, Dynamic, Curves, Levels
PS CameraRaw:
color tweaks, denoise, sharping