Optolong LRGB Filters
Total = 14hrs 30min
IC59 and IC63, the Ghosts of Gamma Cassiopeia, the two nebulae near the bright star. vdB4 is the small blue nebula in the lower left corner. NGC225, the Sailboat cluster, is the small grouping of stars just above vdB4.
APM/TMB115 @ f/7 Atik 383L+ Atik EFW2 Filter Wheel Atik OAG
Baader RGB/Ha filters Losmandy G11
Total exposure=11.5hrs For this image the Hydrogen-alpha was combined with the red channel to create a master R channel. RGB channels were blended with the Ha to create a master luminance channel. Sub-exposures calibrated, aligned and combined in DeepSkyStacker Final processing with Photoshop CS3: levels/curves stretching, reduce noise filter, smart sharpen filter, high pass filter Carboni Actions: vertical/horizontal banding noise reduction, make stars smaller