SV152 Refractor @ f/6
Riccardi 0.75x Reducer Starlight Xpress Trius SX694
Atik EFW2 Filter Wheel Astrodon RGB/Ha Filters Losmandy G11 Gemini
2
Reprocess of original image below.
L=18x10min
R=22x10min
G=22x10min
B=21x10min Ha=13x10min
Total = 18hrs 10min
Part of a 2 panel mosaic with M82
APM115
Atik 383L+
Atik EFW2 Filter Wheel Atik OAG
Astrodon LRGB/Ha filters Losmandy G11-Gemini 2 LHaRGB image (L=5hrs,
RGB=3hrs each in 10min subs; Ha=6hrs in 20min subs)
Calibrated/stacked in DeepSkyStacker, final processing in Photoshop
CS3
Photoshop: levels/curves, high pass filter, smartsharpen filter,
reducer noise filter, soft light for contrast, selective color adjustmens,
Gradient Xterminator
Carboni Actions: horizontal/vertical banding noise reduction