Exposure data
Telescope: 12" Meade ACF f=1500mm
Reducer: Lumicon Giant Easy Guider
Camera: SBIG ST2000XM
Filters: SBIG LRGB + Astronomik Hα (13nm)
Exposure times: Hα:4x5min L:28x5min R:6x5min G:6x5min B:6x5min
Exposure time total: 4h 10min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2007-06-24 + 2008-06-28+29
Object data of M 16
Object type: Open cluster and emission nebula
Size: 35'
Magnitude: 6.0 mag
Constellation: Serpens
Distance: 5900 Ly
