M27, NGC 6853, Dumbbell Nebula

The Dumbbell Nebula, Messier object 27 (M27), NGC6853, in the constellation Vulpecula, as seen by the Kitt Peak 4-meter Mayall telescope in 1973. The nebula is about 850 light-years away from Earth and about 1.5 light-years in diameter (although both distance and size are very poorly constrained).