Nebula (NGC 6820) and cluster (NGC 6823) in Vulpecula. Taken Aug 1, 2005 with 4inch Astro-Physics Traveler at f/4.5 with Canon 20Da camera at ISO800. Additive stack of two 8-minute exposures to boost nebula brightness, plus average stack (Normal @ 50%) of two other exposures to smooth background noise.
NGC 6946 galaxy (below and NGC 6939 open cluster (top) on Cygnus-Cepheus boreder. Taken Nov 6, 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 12 minute exposures, Mean combined. Used Celestron CGEM mount and Sky-Watcher SynGuider on William Optics 66mm guidescope. All seemed to work well.
NGC6946 Galaxy and NGC 6939 Cluster in Cepheus. Stack of two 6 minute exposures at f/4.5 with Astro-Physics Traveler apo refractor and Canon 20Da at ISO800.
