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.
NGC 3572 area in Carina, taken from Coonabarabran, NSW, Australia, March 19, 2007. NGC 3572 is nebula and cluster at top, while NGC 3603 (left) and NGC 3581 complex (right) are at bottom. Taken with Canon 20Da and Astro-Physics 106mm apo refractor with telecompressor at f/4.5 and ISO 400 for stack of 4 x 10 minute exposures under warm conditions.
NGC 3766, the Pearl Cluster, at top and the Lambda Centauri nebula, aka the Running Chicken Nebula or IC 2948, at the bottom. This is a stack of 2 x 7-minute exposures at ISO 800 with the original filter-modified Canon 5D through the Asrtro-Physics Traveler refractor at f/6. Taken from Coonabarabra, NSW, Australia.