The pair of large open clusters, NGC 6633 at right in Ophiuchus and IC 4756 at left in Serpens, 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. Also known as the S-O Double Cluster.
NGC 6723 - 27 in Corona Australis -- Complex of reflection & dark nebulas, and globular cluster. With Astro-Physics 4-inch Traveler apo refractor at f/6 with Hutech-modified Canon 5D camera at ISO800 for 8 minutes. Stack of 4 exposures. Taken from Coonabarabran, NSW, Australia, July 2006.
Corona Australis NGC 6723-29 complex, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/4 for 3 minutes each at ISO800. Stack of 4 exposures, averaged stacked. Taken from Coonabarabran, NSW, Australia, July 2006.
