M 57 - NGC 6720 - Ring Nebula
M 250 @ f 9.3 (unguided)
ST-10XME LRGB 30 second subs
The "classic planetary". Messier
added M57 to his list in 1779. M57 is located at a distance of 1500 ly.
The central star has a surface temperature of 100,000 degrees K and is thousands
of times denser than the sun.
Image acquired during a full moon.