Object: IC434, Horsehead Nebula Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Camera: Canon EOS 5DmII mod. @ISO1600 Capture/Guiding: APT Tool, PHD2 Exposure: total 3h, 88x2min, 11x Dark, 51x Bias, 51x Flat Date/Location: 2019-09-24, Kreben Image Processing Pixinsight: BatchPreprocessingScript, StarAlignment, ImageIntegration, DynamicBackgroundExtraction, MaskedStretch, HistrogrammTransformation PS: ColorBalance, selectiveColors, Dynamic, Levels, maskedMinimumFilter, maskedSoftLight, red colored lightenLayer of a previous H-Alpha image of the horsehead core, curves |