M71 open cluster in Sagitta with small cluster Harvard 20 below. 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 13 minute exposures, Mean combined. Used Celestron CGEM mount and Sky-Watcher SynGuider on William Optics 66mm guidescope. All seemed to work well.
M72, a Messier globular cluster (at lower right) and M73, a tiny 4-star asterism (at lower centre), in Aquarius. The Saturn Nebula, NGC 7009, is the green spot at upper left. This is a stack of 4 x 6 minute exposures with the Canon 6D at ISO 800 and TMB 92mm refractor at f/5.5 with the Hotech field flattener. Taken from New Mexico, from Silver City, Nov 11, 2014.
M93 open cluster with NGC 2482 to the left. Taken with 77mm Borg refractor at f/4.3 and Hutech-modified Canon 5D camera at ISO 800 for stack of 4 x 4 minute exposures. Taken from Ryder Cottage, NSW, April 11, 2007
