Southern Pleiades (IC 2602) area south of Carina Nebula. Open cluster Mel 101 below IC 2602 and IC 2714 cluster at upper left. Taken from San Pedro de Atacama, Chile, May 2011 with Canon 7D (unmodified) and 135mm Canon telephoto lens at f/2.8 for stack of 5 x 2 minute exposures at ISO 1250.
Large and loose open cluster in Ophiuchus, IC 4665, in a wide-field image simulating the field of binoculars. Taken July 24, 2012, from home with the Canon 5D MkII at ISO 800 and Canon L-series 200mm lens at f/3.5 for a stack of 5 x 3 minute exposures.
IC 4665, the large and sparse open star cluster in Ophiuchus above the star Beta Ophuichi, aka Cebalrai. This cluster stands out well when scanning with binoculars, but is too large and sparse to be a good target for most telescopes. The telesphoto lens used here provides a field of view similar to binoculars. This is a stack of 6 x 2-minute exposures with the 200mm lens at f/2.8 and Canon 6D MkII at ISO 800.
