Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST2000XM
Filters: SBIG RGB + Astronomik Hα (13nm)
Exposure times: Hα: 40x10min R: 11x10min G: 3x10min B: 3x10min
Exposure time total: 8h 40min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2012-09-07+08
Object data of NGC 896
Object type: Emission nebula
Size: 10′
Magnitude: 7.0 mag
Constellation: Cygnus
Distance: 2000 Ly
