Object: Hickson44 (NGC3190, NGC3193, NGC3187, NGC3185) 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 2.1h, L 25x2min and 13x from RGB, R 13x2min, G 13x2min, B 13x2min, 181xBias, 51x Darks, 41x Flat Color: L-RGB Capture: INDI Lib, INDI Starter, CCDciel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date/Location: 2018-03-31, Zirndorf Image Processing: PI: BatchPreprocessingScript, ImageIntegration, DBE, MaskedStretch for RGB, HT Stretch for L, TGV-Denoise for RGB, LRGB-Combination PS: CloneStamp, Levels, Dynamic, maskedDynamic, maskedMinimumFilter, maskedCurves, Levels, maskedLevels, NIK Dfine2 NoiseReduction, Levels |