Exposure data
Telescope: 12″ Meade ACF f=3050mm
Camera: SBIG ST2000XM
Filters: SBIG LRGB
Exposure times: L: 45x2min R: 10x2min G: 10x2min B: 10x2min
Exposure time total: 2h 30min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2009-08-14
Object data of NGC 6781
Object type: Planetary nebula
Size: 1.8′
Magnitude: 11.8 mag
Constellation: Aquila
Distance: 2500 Ly