Object: M99 Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53, Offset=10 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter Exposure: total 4.7h, L 34x4min and 12x from RGB, R 11x4min, G 12x4min, B 13x4min 183xBias, 51x Darks, 41x Flat per channel and date Color: L-RGB Date/Location: 2018-04-20, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI: BatchPreprocessingScript, Blink, StarAlignment, CosmeticCorrection, ImageIntegration, ChannelCombination DBE, HistogramTransformation, MaskedStretch PS: NIK Dfine2 for RGB, Dynamic, ColorBalance, Luminance Layer, maskedLuminance Layer, Levels, maskedDynamic, maskedSelectiveColors, maskedCurve, masked NIK Dfine2, 2x maskedHighPassSharping, maskedMinimumFilter, 2x maskedDynamic |