LDN1251.jpg
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LDN1251.jpg
Object: LBN 558, LDN 1250
Optic: CA300 (300/1140mm Newton) + Newtonmaster (both homemade)
Corrector: Keller 3" Wynne
Filter: Baader 50mm L-RGB
Camera: SBIG STL11000M C2 at -15°C, selfguiding
Date1:
Exposures: LRGB:48:24:24:24:min, subexposures 8min, 33 flats
2013.09.04, Kreben, Germany
Date2:
Exposures: LRGB:104:56:56:40:min, subexposures 8min, 39 flats
2013.09.06, Kreben, Germany
51 bias, 32 darks
Pixinsight:
ImageCalibration (bias, dark, flat)
CosmeticCorrection (my STL11000 has serveral dead columns)
ImageRegistration (default parameters)
ImageIntegration (L with WinsorizedSigmaClip sigma=4.0, RGB with AvrgSigClipping sigma=2.2)
ChannelCombination (RGB)
DBE for RGB
RGB stretch with STF
L stretch with MaskedStretchScript (100 Iterations, m=0.45), HistogramTransformation
LRGB-Combination (Lum=0.5, Sat=0.39)
DarkStructureEnhancement (light)
SCNR (no green)
PS: Masked Curves, Histogram and Saturation, MinimumFilter