Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST8300M
Filters: SBIG LRGB
Exposure times: L: 32x8min R: 10x8min G: 8x8min B: 8x8min
Exposure time total: 6h 4min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2008-02-16 + 2008-12-29+30
Object data of M 78
Object type: Reflection nebula
Size: 8′
Magnitude: 8.0 mag
Constellation: Orion
Distance: 1600 Ly