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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Glenn Chaple's Observing Basics

Glenn Chaple's Observing Basics: The phases of Venus

January 2009: Begin IYA2009 by replicating Galileo's observations of our "sister planet."
Contributed by Glenn Chaple
Published: November 24, 2008
Glenn Chaple
Happy International Year of Astronomy! Capitalizing on the fact that 2009 marks the 400th anniversary of Galileo's earliest telescopic forays into the night sky, the International Astronomical Union (IAU) is promoting a global celebration of astronomy.

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