Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST2000XM
Filter: SBIG RGB + Astronomik Hα (13nm)
Exposure times: Hα: 17x10min R: 2x10min G: 2x10min B: 2x10min
Exposure time total: 3h 50min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2006-07-19+20