The Football Cluster, aka the Black Arrow Cluster in Carina, NGC 3532. The dark band across the middle that gives it its nickname of the Black Arrow Cluster is just visible here. But it is also known as the Football Cluster, from the elongated appearance as an Australian rugby ball. This is a stack of for 3-minute exposures with the original Canon 5D, modified, at ISO 800, and Astro-Physics Traveler at f/6, from Coonabarabran, NSW, Australia.
NGC 3532 open cluster, with Canon 20Da camera with 4-inch Astro-Physics Traveler apo refractor at f/6 for 3 minutes each at ISO800. Stack of 2 exposures, averaged stacked. Taken from Queensland, Australia, July 2006.
