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Partial Lunar Eclipse on December 31, 2009

Eclipse enthusiasts in Europe, Africa, Australia and Asia can celebrate New Year’s Eve by observing a partial lunar eclipse on December 31, 2009. The event’s duration will be about four hours.

Partial Lunar Eclipse on December 31, 2009

Eclipse enthusiasts can expect a partial lunar eclipse on New Year's Eve (December 31) in 2009. It will be difficult to see with the naked eye.

Will the Eclipse be Visible?

This minor partial lunar eclipse will be difficult to see with the naked eye as the umbral magnitude will only be 0.0763. The penumbral magnitude will be 1.0556. The moon’s southern limb barely tickles the Earth’s central shadow.

When Will the Eclipse Occur?

The first penumbral contact occurs at 17:17:08 Universal Time (UT). The ecliptic conjunction occurs at about 19:12:45 UT and greatest eclipse takes place at 19:22:39 UT when the eclipse magnitude will reach 0.0763. The eclipse ends at about 21:28:11 UT.

Where Will the Eclipse Be?

The partial lunar eclipse will occur over many parts of Asia, Australasia, Europe and Africa. The moon will be found in the constellation Gemini on December 31, 2009. This is the last eclipse in 2009.

Eclipses in 2009

The December 31 eclipse is not the only eclipse in 2009. The list of eclipses for 2009 includes:

timeanddate.com will provide updates about more eclipses closer to the time of their occurrence.

Useful tools

The World Clock’s Time Zone Converter helps eclipse enthusiasts and travelers discover when the eclipse will occur in cities’ local time. Links on the results page to the chosen city will allow people find out weather information for the eclipse’s date. More useful tools are found at the bottom of this page.

Note: Universal Time (UT) is a timescale based on the Earth’s rotation. The difference between UT and UTC is predicted to be about 0.1–0.2 seconds during most of December in 2009. Eclipse information courtesy of Fred Espenak, NASA/Goddard Space Flight Center, and P. Harrington, author of Eclipse! The What, Where, When, Why & How Guide to Watching Solar and Lunar Eclipses.


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