M17, NGC 6618. "The Omega Nebula" The Omega Nebula is between 5,000 and 6,000 light-years from Earth and it spans some 15 light-years in diameter. It is considered one of the brightest and most massive star-forming regions of our galaxy.
Camera: A Gary Honis modified Canon EOS T3i. Six 600 sec exposures. ISO-800. Scope: Astro Tech AT111 w/0.8 reducer/flattener. Mount: Astro Physics AP900GEM. Guide: WO 80mm scope, Star Light Express Lodestar guide camera & PHD guide SW. Image: Stacked in DeepSky Stacker and Adjusted in Photoshop CS6.