NGC 6397 Ara Globular Cluster, with 4-inch Astro-Physics Traveler apo refractor at f/6 and Canon 20Da at ISO800 for stack of two 4-minute exposures. Taken from Queensland, Australia, July 30, 2006.
The bright globular cluster NGC 6397 in Ara, at left, with the distinctive and colourful triangle of stars in Ara made of Beta, Gamma, and Zeta Arae. The field simulates a binocular field. A stack of 4 x 2-minute exposures with the 20mm telephoto at f/2.8 and Canon 5D MkII at ISO 2500. Tracked on the AP 400 mount. Shot from Coonabarabran, Australia.
