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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

The Sky This Month
August 2009

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

August 2009 Jupiter
August 2009: You can retrace Galileo's footsteps this month by observing Jupiter and its four bright moons
By Alister Ling, Martin Ratcliffe // Published: June 22, 2009
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