Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 24x10min L: 12x10min R: 6x10min G: 6x10min B: 6x10min
Exposure timetotal: 9h
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Deutschland (500m)
Datum: 27.-29.12.2013
Object data of Barnard 33
Object type: Dark nebula embedded in an emission nebula
Size: 8′ x 6′
Magnitude: –
Constellation: Orion
Distance: 1500 Ly
Object data of NGC 2024
Object type: Emission nebula
Size: 30′
Magnitude: 7.5 mag
Constellation: Orion
Distance: 1500 Ly
