Omega Centauri globular cluster, with Canon 20Da camera with 4-inch Astro-Physics Traveler apo refractor at f/6 for 4 minutes each at ISO800. Stack of 4 exposures, averaged stacked. Plus short 2-minute exposure for core area. Taken from Queensland, Australia, July 2006.
Pipe Nebula area, field oriented equatorially, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/4 for 6 minutes each at ISO400. Stack of 4 exposures, averaged stacked. Taken from Coonabarabran, NSW, Australia, July 2006.
Scorpius Tail (NGC 6231) area, field oriented equatorially, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/2.8 for 3 minutes each at ISO400. Stack of 3 exposures, averaged stacked. Taken from Coonabarabran, NSW, Australia, July 2006.
