John Bishop/M51 April 5, 2012/in User Gallery /by liyun Title: M51 Location: Corpus Christi, Texas, USA camera: Astro 40d iso 1600, 4 six minute exposures Meade RCX400 16inch at F8, processed in Maxim DL and Photoshop CS2. February 6, 2010. http://www.centralds.net/cam/wp-content/uploads/2012/04/m51_32mincombine_s.jpg 685 1120 liyun http://www.centralds.net/cam/wp-content/uploads/2020/02/c-logo5.png liyun2012-04-05 09:36:502012-04-05 09:36:50John Bishop/M51