Exposure data
Optics: Pentax Asahi 55mm @ f/4 + 4.5″ Newton f=440mm
Camera: SBIG ST2000XM
Filters: Baader LRGB + Astronomik Hα (13nm)
Exposure times: Hα: 28x10min L: 30x8min R: 10x8min G: 8x8min B: 8x8min
Exposure time total: 12h 24min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2012-08-17+18+19