This nebula is about 1,400 light years away. It was created by an exploding star over 5,000 years ago. This image is just part of the large nebula known as the Cygnus Loop.
Camera: SBIG ST-10XME
Filters: Astrodon LRGB
Dates: August 15-16, 2006
Exposure: RGB (9x5min each color) plus 12x6min Lum for 207 minutes total at -20C