Veil Nebula below is an old supernova remnant in the constellation Cygnus. It is the remains of cataclysmic explosion of star that exploded between 5,000 and 8,000 years ago. This nebula is about 1,860 light-years distance.
Eastern Veil Nebula NGC 6992 - Supernova remnant
I obtained this shot on 10/22/2009- with a LX200 10" - Canon 40D 16x150 second exposures at ISO-800- CLS filter w6.3 Focal reducer.