Edward Henry (AstroEd)
7/27/2014 1:59:53 AM
Images taken with Lodestar guide cam and Lodestar Live 0.9
The Ring Nebula is a planetary nebula in the northern constellation of Lyra. Such objects are formed when a shell of ionized gas is expelled into the surrounding interstellar medium by a red giant star.
Age: 7,000 years
Distance to Earth: 2,283 light years
Absolute magnitude: -0.2