Cocoon Nebula Enlarge Image Date: 07/07/2005Details: Exposure Time: 7.25 hrs Total; 2.25 hrs Lum, 2 hrs H-a, 1 hr each R,G,BCamera: SBIG STL11000Telescope: RC Optical Carbon 12.5 inch f/9 Ritchey-ChretienMount: Software Bisque Paramount ME