M 15
Exposure data
Telescope: 12" Meade ACF f=1500mm
Reducer: Lumicon Giant Easy Guider
Camera: SBIG ST2000XM
Filters: SBIG LRGB
Exposure times: L:30x2min+30x30s R:10x2min G:10x2min B:10x2min
Exposure time total: 2h 15min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2007-07-15
Object data of M 15
Object type: Globular cluster (IV)
Size: 18'
Magnitude: 6.2 mag
Constellation: Pegasus
Distance: 33600 Ly