M001.jpg
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M001.jpg
Object: M1 Crab Nebula
Optic: CA300 (300/1200mm Newton f4), GPU Corrector
Mount: Skywatcher EQ8
Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15
Filter: ZWO EFW 7x36mm, Baader 36mm Filter
Exposure: total 5.2h, Ha 33x4min, OIII 34x4min, R 7x2min, G 7x2min, B 7x2min
327xBias, 48x Darks(2min:4min), 31x Flat(Ha:OIII), 25x Flat (R:G:B)
Color: Ha-OIII,RGB
Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard)
Guiding: TS-OAG 9mm, ASI120MM, PHD2
Date/Location: 2018-02-14, Zirndorf
Image Processing:
Pixinsight:
ImageCalibration, CosmeticCorrection, StarAlignment, Blink, ImageIntegration,
BatchPreprocessingScript (for RGB), ChannelCombination, DBE, PhotometricColorCalibration,
STF for OIII, HT-Stretch for RGB, StarMask
ST: DDP for Ha, Magic
PS:
NIK Difine2 for RGB, ColorBalance, maskedMinimumfilter, Dynamic, Levels, Blend of masked NB-Channels
matching visual spectrum according to Debra Ceravolo: Curves, Levels and GradientMap as clipping mask,
Ha as LuminanceLayer, Dynamic, color Stars in Nebula, masked HighPassSharping