Exposure data
Telescope: Vixen VC 200L f=1260mm
Camera: SBIG ST8300M
Filters: Baader LRGB
Exposure times: L: 8x4min R: 4x4min G: 4x4min B: 4x4min
Exposure time total: 1h 20min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2016-07-10
Object data of M 103
Object type: Open star cluster (II 2 m)
Size: 6′
Magnitude: 7.4 mag
Constellation: Cassiopeia
Distance: 7000 Ly