. This is a new popup window - close it when you are done . Submitted by Paul Cicchetti on 04/08/2011 22:58:13 . M51 . 20 images (180 sec sub frame) Taken with modified Canon 30d. 6" APO at F9. Unguided. Processed with IP 3.75 with Flats Bias and Dark frames. Further processing through Photoshop 6 . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us