Exposure data
Optics: Pentax Asahi 200mm @ f/4
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 2x15min L: 12x15min R: 2x15min G: 2x15min B: 2x15min
Exposure time total: 5h
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2011-12-28+29
Object data of Barnard 33
Object type: Dark nebula embedded in an emission nebula
Size: 8′ x 6′
Magnitude: –
Constellation: Orion
Distance: –
Object data of NGC 2024
Object type: Emission nebula
Size: 30′
Magnitude: 7.5 mag
Constellation: Orion
Distance: 1500 Ly
