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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

The Sky This Month
November 2011

Tune into the most observable events in this month's sky.

Two-inner-planets
November 2011: Mercury lurks just 2° below Venus during November's first 2 weeks. You'll need a clear sky and an unobstructed southwestern horizon to see the more challenging innermost planet.
By Martin Ratcliffe, Alister Ling // Published: September 26, 2011
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