The contrasting open star clusters in Puppis: M46, the rich condensed cluster at left, and M47 the loose and sparse but bright open cluster at right. The field contains a nice mix of blue and yellow stars. This is with the Borg 77mm astrographic apo refractor (330mm focal length) at f/4.3 for a stack of 5 x 8 minute exposures with the filter-modified Canon 5D Mark II at ISO 800.
A telephoto lens shot of the M50 to M46/M47 area of Canis Major-Monoceros border, simulating the field of binoculars. M50 is at upper ight, M46 & M47 at left edge. Red nebula is IC 2177 Seagull Nebula. Taken from Coonabrarbran, Australia, Dec 15, 2012. Some incoming cloud added glow from off-frame Sirius in corner of frame. This is a stack of 2 x 5 minute exposures at f/2.8 with the 135mm lens and Canon 5D MkII at ISO 800. Field also contains clusters NGC 2360 and NGC 2353, and nebula NGC 2359 Thor's Helmet.
Messier 48, open star cluster in Hydra This is a stack of 4 x 6 minute exposures at ISO 800 with the Canon 5D MkII and Astro-Physics Traveler 105mm apo refractor, shot from Timor Cottage, Coonabarabran, NSW, Australia, December 2012.
