Clusters and nebulosity at the feet of Gemini the twins, on the border of Orion. M35 star cluster is at top, and supernova remnant IC 443 is below. Brightest nebula in NGC 2174 in Orion, while small nebula below it is IC 2162. Large faint nebula at bottom right is Lower's Nebula, aka Sharpless 2-261. This is a stack of 5 x 8 minute exposures at f/2.8 and ISO 800 with the Canon 5D MkII and Canon L-series 135mm lens.
M35 and NGC 2158 (right) open clusters in Gemini. 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.