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| 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 |
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