M101.jpg
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M101.jpg
Object: M101, NGC5477
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 6.9h, R 25x4min, G 17x4min, B 21x4min, L 40x4min and 22x4 from RGB,
210x Bias, 41xDarks, 31:31:31:31x Flat(L:R:G:B)
Color: LRGB
Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard)
Guiding: TS-OAG 9mm, ASI120MM, PHD2
Date1/Location1: 2017-04-19, Zirndorf
Date2/Location2: 2017-04-20, Zirndorf
Image Processing:
Pixinsight:
BatchPreprocessingScript, CosmeticCorrection, StarAlignment, ImageIntegration, ChannelCombination,
AutomaticBackgroundExtractor for RGB, DynamicBackgroundExtraction, MaskedStretch, HistogramTransformation,
(SCNR, ColorSaturation, TGVDenoise) for RGB, LRGBCombination
Startools: Deconvolution, HDR
PS:
blend of deconv. galaxy, Dynamic, maskedDynamic, maskedSoftLight, maskedScreen, Levels, colorRange, clippingMask
Dynamic, clippingMaskSelectivColors, HueSaturation, selectiveColor
CameraRAW:
final Tweaks