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Today's StarDate
StarDate is an astronomy program for radio, produced by the University of Texas McDonald Observatory. There is a new program everyday. It is in streaming format so download time is just a few seconds StarDate for Saturday, December 19, 2009
© The University of Texas at Austin McDonald Observatory.
This Month's Sky Summary
Read about the most important celestial activities visible in this month's sky. The monthly summary highlights lunar phases, planets, meteors showers, auroras and more.
This Month's StarChart
See what stars, constellations, and cool celestial objects are visible in the sky this month. You can print the chart for use outdoors
Phases of The Moon
Today's lunar phase is pictured above.

Lunar Phase for:
December 19, 2009

For tips on observing the Moon with your telescope or binoculars, read "Observing the Moon" in Orion's Learning Center