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M71 in Sagitta (105mm 5DII) - EV.jpg
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.
- © Alan Dyer 2010
- Image Size
- 5600x3700 / 5.5MB
- Contained in galleries
- Simulated Naked-Eye and Eyepiece Views