Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST2000XM
Filters: SBIG RGB + Astronomik Hα (13nm)
Exposure times: Hα: 14x10min R: 2x10min G: 2x10min B: 2x10min
Exposure time total: 3h 20min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2007-09-13
Object data of IC 1805
Object type: Emission nebula
Size: 60′
Magnitude: 6.5 mag
Constellation: Cassiopeia
Distance: 7500 Ly