M1 Crab Nebula
M1- Crab Nebula, 40min 8 frames at 800 asa.Taken at the IDSSP star party on 09/30/2011. An Astrotech 8" RC guided on an Atlas mount with an Orion star shoot autoguider in an 80mm guidescope. Pictures with a Canon XT DSLR,Stacked with Deep Sky Stacker and processed in Photoshop.