NGC6992 HaOIII-RGB.jpg
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NGC6992 HaOIII-RGB.jpg
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
Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat)
Guiding: TS-OAG 9mm, ASI120MM, PHD2
Image Processing:
PI:
BatchPreprocessingScript, Blink, CosmeticCorrection, ImageIntegration, ChannelCombination, DBE,
HistogramTransformation, MaskedStretch, PhotometricColorCorrection
Starnet from Nikita Misiura:
Starless Image, Mask
Startools:
Magic
PS:
Red/Blue Version:
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
Real Color Version:
Debra Ceravolo's Narrowband Color technique using Gradient Map's, ColorBalance, Dynamic,
Blend of a starshrinked Image, maskedMinimumFilter,
Curves, Dynamic