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M46 & M47 (135mm Bino Field).jpg
This is a binocular field (roughly 10° wide) framing of the contrasting open clusters M46 (rich, left and M47 (loose, right) in Puppis. Cluster NGC 2423 is above M47. Cluster NGC 2360 is at right. And above it the cyan-colored nebula Thor's Helmet, NGC 2359. Small red spot at lower right is Sh2-301. This is a 2-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.