NGC6992 HaOIII-RGB-starless.jpg

NGC6992 HaOIII-RGB-starless.jpg
PREVIOUS \| THUMBNAILS \| NEXT \| HOME

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