The contrasting open star clusters in Puppis: NGC 2477, the rich condensed cluster at left, and NGC 2451, the loose and sparse but bright open cluster at right. It has a prominent yellow star amid the blue stars. This is with the Borg 77mm astrographic apo refractor (330mm focal length) at f/4.3 for a stack of 5 x 8 minut exposures with the filter-modified Canon 5D Mark II at ISO 800.
NGC 2516 open cluster. Taken with 77mm Borg astrographic refractor at f/4.3 and Hutech-modified Canon 5D camera at ISO 400 for stack of 4 x 6 minute exposures. Taken from Coonabarabran, NSW, Australia, April 17, 2007.
