SV80ST
Moravian G3-16200M
Optolong LRGB Filters
Mach1GTO/CP4
L=33x10min
R=19x10min
G=17x10min
B=18x10min
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.
2015
APM/TMB115 @ f/7 Atik 383L+ Atik EFW2 Filter Wheel
Atik OAG
Baader RGB/Ha filters Losmandy G11
R=15x10min
G=15x10min
B=21x10min Ha=18x20min
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
