Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

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Glenn Chaple's Observing Basics

Glenn Chaple's observing basics: See double tonight

March 2008: Double stars are the Rodney Dangerfields of the night sky: They "don't get no respect."
Contributed by Glenn Chaple
Published: March 1, 2008
March is Messier Marathon time, when observers in relatively low latitudes race in a single night to observe 109 objects cataloged by Charles Messier. But typical Messier objects like nebulae, clusters, and galaxies aren't the only worthy deep-sky targets.
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