B33.jpg
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B33.jpg
Object: B33, Horsehead Nebula in Orion
Optic: NON1000 (200/1000 Newton f/5) + GPU Coma Corrector
Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG
Filter: Baader 36mm Filter, LRGBHa
Exposure: total 3,5h , R 7x5min, G 7x5min, B 7x5min, L 7x5min and 7xL obtained from RGB, Ha 7x10min, 37x Dark, 200x Bias, 41x Flat(R),
Guiding: QHY5L-II, PHD2
Date/Location: 2017-01-19, Kreben
Image Processing:
Pixinsight:
ImageCalibration, CosmeticCorrection, ImageRegistration, ImageIntegration
ChannelCombination, MaskedStretch, SCNR
PS:
HaRGB with Lighten, maskedMinimumfilter for L, L-R(Ha)GB Combination, Dynamic, maskedHighPasssharping
maskedColorBalance, CloneStamp (erase spikes)
CRAW: final tweaks