Exposure data
Optics: Pentax Asahi 55mm @ f/4 + Pentax Asahi 200mm @f/4
Camera: SBIG ST8300M
Filters: Baader LRGB
Exposure times: L: 28x10min R: 10x10min G: 8x10min B: 10x10min
Exposure time total: 9h 20min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2011-09-23+24+25 + 2012-09-15+16+17
Object data of M 45
Object type: Open star cluster (I 3 r) with reflection nebula
Size: 110′
Magnitude: 1.6 mag
Constellation: Taurus
Distance: 440 Ly
