M20.jpg
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M20.jpg
Object: M20
Optic: NON1000 (200/1000mm Newton f5), GPU Corrector
Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15
Filter: ZWO EFW 7x36mm, ZWO 36mm Filter, LRGB
Exposure: total 1.7h, R 17x2min, G 17x2min, B 17x2min, L 7x2min from RGB
210x Bias, 36xDarks, 31:31:31:31x Flat(L:R:G:B)
Color: L-RGB (using artificial L from RGB-Data at Date1)
Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard)
Guiding: TS-OAG 9mm, ASI120MM, PHD2
Date1/Location1: 2017-05-26, Vockenroth, very good seeing
Date2/Location2: 2017-05-27, Vockenroth, bad seeing
Image Processing:
Pixinsight:
BatchPreprocessingScript (ImageCalibration, ImageIntegration, CosmeticCorrection),
StarAlignment, Blink destorted images, ImageIntegration, ChannelCombination, DBE, MaskedStretch,
HistogramTransformation, SCNR, ColorSaturation, LRGB Combination
PS:
maskedDynamic, maskedHighpassSharping, maskedSoftLight, maskedMinimumFilter, clippingMaskDynamic,
Levels, maskedColorBalance