This is a binocular field (roughly 10° wide) framing of the contrasting open clusters NGC 2477 (rich, top) and NGC 2451 (loose, bottom) in Puppis. This is a 4-image stack of 3-minute exposures with the 135mm lens at f/2.8 with the filter-modified Canon 5D MkII at ISO 800. This was taken in May 2011 from Atacama Lodge in Chile.
NGC 2477 and NGC 2452 (right) in Puppis. Taken with 4-inch AP Traveler scope at f/4.5 with Canon 20Da camera, at ISO800 for 4 x 2 minute exposures in moonliht, March 26, 2007 at Coonabarabran, NSW, Australia.
Contrasting open star clusters NGC 2477 (dense and in centre) and NGC 2451 (loose and below centre) in Puppis. This is a stack of five 2-minute exposures with the 135mm L-series Canon telephoto lens at f/2.8 and Canon 7D at ISO 1250. This was taken from Atacama Lodge in Chile, May 2011. The field of view simulates a binocular field (roughly 7°).
