The Double Cluster in Perseus, aka NGC 869 and 884, or h and chi Persei, a popular deep-sky object in the northern autumn sky. The clusters are about 7000 light years away in the Perseus spiral arm, the next arm out from the one we live in. The clusters are marked by several yellow super giant stars. This is a stack of 5 x 6 minute exposures with the Sky-Watcher Quattro f/4 astrographic Newtonian reflector, with the coma corrector. The camera was the filter-modified Canon 5D MkII at ISO 800. Shot from home Oct 12-13, 2015.
Double Cluster, with 135mm Canon L-lens at f/2.8 and Canon 20Da camera at ISO 800 for stack of 4 x 3 minute exposures. Taken Sept. 8, 2007. Simulates binocular field. Slightly soft focus.
Double Cluster and Stock 2 cluster in Persesus. Taken Sept. 14, 2007 for stack of 4 x 4 minute exposures with 135mm L-series lens at f/2.8 and Canon 20Da camera at ISO 800. Simulates binocular field.
