See here http://horizonastro.blogspot.com/2010/12/les-granges-2010.html
The Dumbbell Nebula was the first planetary nebula to be discovered in 1764 by Charles Messier. The central White Dwarf is currently the largest known star of its type. It is located in the constellation of Vulpecula.
Object: M27- Dumbbell Nebula (1,360ly)
Telescope: TEC140
Camera: Atik 4000 Mono and OSC
Exposures: OSC-60x300s; Ha-51x600s; OIII-9x600s (bin 2x2)
Processing: DSS, RegiStar, PS CS3
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