Object: M13 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, Baader 36mm Filter Exposure: total 4h, R 41x2min, G 41x2min, B 37x4min 183xBias, 51x Darks, 41x Flat per channel and date Color: RGB Date1/Location1: 2018-06-03, Zirndorf Date2/Location2: 2019-06-27, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2, EQMOD Image Processing: PI: BatchPreprocessingScript, Blink, StarAlignment, CosmeticCorrection, ImageIntegration, ChannelCombination DBE, HistogramTransformation, MaskedStretch, ArcSinhStretch PS: Blend of a MaskedStretch and a ArcSinhStreched image, Blend of a MaskedStrech and ArcSinhStretched artifical Luminance image, Levels, maskedHighpassSharping, masked NIK Collection dfine2, Levels, maskedCurves |