NGC1499-SHO.jpg

NGC1499-SHO.jpg
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Object: NGC1499, California Nebula Date2/Location2: 2017-10-18, Zirndorf Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -20°C Capture/Guiding: Nebulosity3, PHD2 Exposure: Ha 24x10min, 118x Bias, 31x Darks, 27x Flat Color was optained from a previous image: Date1/Location1: 2016-12-30, Zirndorf Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, SII, OIII Exposure: Ha 20x8min, SII 7x8min, OIII 7x8min, 21x Dark, 203x Bias, 51x Flat(Ha), 51x Flat(OIII) Guiding: QHY5L-II, PHD2 Image Processing (Date2) Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration (BicubicSpline CT=0,1), ImageIntegration, MureDenoise, ImageRegistration (and rescaling) of color image from Date1 ST: DigitalDevelopment, Tracking, NoiseReduction, Mask, Magic (StarShrink) not for all versions PS: artificial expansion of color data (color image had a smaller field of view), maskedHueSaturation, maskedDynamic, LuminanceLayer, maskedSoftLight, maskedBlend of color image, Levels, Curves, unsharpMasking