M17
M 17 is known by many names: The Omega Nebula, the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula. It is located 5000 light years away in Sagittarius and spans 40 light years. It is one of the most popular and impressive Nebular objects in Astrophotography.
Imaged in SHO Narrowband on our RiDK 400 at El Sauce, Obstech, Chile
Image Processing: Mike Selby. Integration Time 33 hours