Cocoon Nebula area with M39 and NGC 7209, taken August 15, 2007 from home. Stack of 3 x 4 minute exposures at ISO800 with Canon 20Da and 135mm L-lens at f/2.8. Field equals 7° bino field. Contains dark nebula B168, Cocoon Nebula IC 5146, M39 (right) and NGC 7209 (left) open clusters. Slightly soft focus.
M39 with 101mm Borg apo refractor at f/4.1 and Canon 20Da camera at ISO800 for stack of 4 x 5 minute exposures. Taken on a very warm night in July 2007. Taken with HEQ5 mount autoguided with ST402.
M39 open cluster in Cygnus. Taken Oct 30, 2010 with 105mm A&M apo refractor at f/5 with Borg .85x flattener/reducer and Canon 5DMkII at ISO 800 for stack of 5 x 10 minute exposures, Median combined. Used Celestron CGEM mount and NexGuider on William Optics 66mm guidescope. All seemed to work well.
