Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST2000XM
Filters: SBIG LRGB
Exposure times: L: 50x2min R: 10x2min G: 10x2min B: 10x2min
Exposure time total: 2h 40min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2009-09-27
Object data of M 35
Object type: Open star cluster (III 3 r)
Size: 28′
Magnitude: 5.1 mag
Constellation: Gemini
Distance: 2700 Ly
Object data of NGC 2158
Object type: Open star cluster (II 3 r)
Size: 5′
Magnitude: 8.6 mag
Constellation: Gemini
Distance: 16000 Ly