22H 29.6m -20° 50'
Size: 17.5' × 11.7'
Distance: 500 light-years
The Helix Nebula is one of the brightest and largest planetary nebulae in the sky.
NGC 7293 is perfect for a medium-sized Newtonian.
An SCT with a focal reducer would also capture this target well.
Small refractors are not as suitable.
Image StatsMeade 8" SN LXD75
Meade DSI Pro III
Meade RGB + IR filters
LRGB at 484:66:76:132 minutes respectively. 2-minute subs; 2×2 binned RGB
Average to good transparency
18-20 September 2009
San Mateo, CA