Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 2x8min L: 40x5min R: 3x5min + 8x3min G: 3x5min + 8x3min B: 3x5min + 8x3min
Exposure time total: 5h 33min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2022-02-02+03
Object data of M 78
Object type: Reflection nebula
Size: 8′
Magnitudet: 8.0 mag
Constellation: Orion
Distance: 1600 Ly