Object: Sh2-101 Tulip Nebula Optic: BA200 (200/800mm Newton f/4) + Newtonmaster, GPU Newton Corrector Camera: Moravian G2 8300 @-20°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, OIII, SII Exposure summarized 12,8h: 41x8min Ha, 27x8min OIII, 28x8min SII, 110xBias, 39xDark, 41x Ha-Flat, 31x OIII-Flat, RGB 3x5x2min Guiding: QHY5L-II, PHD2 Color: Hubble Palette SHO Date1/Location: 2015-09-30, Zirndorf Date2/Location: 2015-10-01, Zirndorf Date3/Location: 2015-10-02, Zirndorf Workflow: ImageCalibration, CosmeticCorrection, ImageRegistration, MaskStretch, HistogramTransformation, StarMask, MorphologicalTransformation PS: Starremoval, ColoredClippingMask, SelectiveColors, HueSaturation, maskedSelectiveColors, ColorBalance, maskedDynamic, Ha as LuminanceLayer, maskedHighPassSharping, Levels blendRGB-Stars, following J-P Metsavainio narrowband workflow CameraRaw: NoiseReduction, Hue and saturation of certain Colors, Sharping, Curves |