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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras

Seek out two variables

Target a duo of challenging variable stars in the Water Snake and nearby Corvus.
By Phil Harrington
Published: March 19, 2008
Besides the gems discussed in this month's magazine column, try to spot these two variable stars in the constellations Hydra and Corvus. R Hydrae is one of the easiest long period variable stars to observe through binoculars.
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