Cirrus Nebula NGC6992

Object: Cirrus Nebula NGC6992.

Optic: CA300 (300/1200mm Newton f4), GPU Corrector.

Mount: Skywatcher EQ8.

Camera: ZWO ASI 183MM-C @ -20°C, Gain=53 (RGB), Gain=200 (Ha, OIII), Offset=10.

Filter: ZWO EFW 7x36mm, Baader 36mm Filter.

Exposure: total 14.3h , Ha 40x4m, OIII 60x4m, R 37x4m, G 36x4m, B 41x4m.

183xBias, 51x Darks, 31-41x Flats per channel.

Color: Ha-OII-RGB (not for all versions).

Date1/Location1: 2018-10-05, Zirndorf.

Date2/Location2: 2018-10-09, Zirndorf .

Date3/Location3: 2018-10-10, Zirndorf.

Date4/Location4: 2018-10-12, Zirndorf.

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Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat).

Guiding: TS-OAG 9mm, ASI120MM, PHD2.

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Image Processing:.

PI:.

BatchPreprocessingScript, Blink, CosmeticCorrection, ImageIntegration, ChannelCombination, DBE,.

HistogramTransformation, MaskedStretch, PhotometricColorCorrection.

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Starnet from Nikita Misiura:.

Starless Image, Mask.

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Startools:.

Magic.

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PS:.

Levels, lightenLayer of red colored Ha-Channel, lightenLayer of a blue colored OIII-Channel, .

Curves, ColorBalance, Dynamic, Blend of a starshrinked Image, maskedMinimumFilter,.

Curves, Dynamic

Done