Exposure data
Telescopes: 4.5″ Newton f=440mm + Vixen R200SS f=800mm
Camera: SBIG ST2000XM
Filters: SBIG LRGB + Astronomik Hα (13nm)
Exposure times: Hα: 8x8min L: 12x8min R: 6x8min G: 6x8min B: 6x8min
Exposure time total: 5h 4min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2008-07-10+11+12
Object data of NGC 7293
Object type: Planetary nebula
Size: 28′ x 16′
Magnitude: 7.3 mag
Constellation: Aquarius
Distance: 650 Ly
