Exposure data

Telescopes:    4.5" Newton f=440mm + Vixen R200SS (8" Newton 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