Showing posts with label M39 Open cluster. Show all posts
Showing posts with label M39 Open cluster. Show all posts

Sunday, August 08, 2010

Open cluster M39 in Cygnus

Last week I photographed the beautiful M39 cluster in Cygnus. This is a combination of 2 20min exposures at ISO800 with a Eos400d in the primary focus of my 200mmF5 Newtonian. This loose cluster is standing 800 lightyears distance from us.