M57 Ring Nebula

M57 Ring Nebula- 50min,10 frames at 800asa, taken at the IDSSP star party on 09/30/2011 8RC 09 2011 IDSSPAn Astrotech 8" RC guided on an Atlas mount with an Orion star shoot autoguider in an 80mm guidescope. Pictures with a Canon XSi DSLR,Stacked with Deep Sky Stacker and processed in Photoshop.
This photo was cropprd from the original.