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Penumbral Lunar Eclipse: November 28, 2012

Geographic Region: Europe, eastern Africa, Asia, Australia, Pacific Ocean, North America

The last lunar eclipse of 2012 is a deep penumbral eclipse with a magnitude of 0.9155. It should be easily visible to the naked eye as a dusky shading in the northern half of the Moon. The times of the major phases are listed below.

 

Penumbral Eclipse Begins:   12:14:58 UT
Greatest Eclipse:   14:33:00 UT
Penumbral Eclipse Ends:   16:51:02 UT

 

Note that the beginning and end of a penumbral eclipse are not visible to the eye. In fact, no shading can be detected until about 2/3 of the Moon's disk is immersed in the penumbra. This would put the period of eclipse visibility from approximately 14:00 to 15:00 UT. Keep in mind that this is only an estimate. Atmospheric conditions and the observer's visual acuity are important factors to consider. An interesting exercise is to note when penumbral shading is first and last seen.

The figure above shows a map of Earth showing the regions of eclipse visibility. Eastern Canada and the USA will miss the eclipse entirely since it begins after moonset. Observers in western Canada and the USA will have the best views with moonset occurring sometime after mid-eclipse. To catch the entire event, one must be in Alaska, Hawaii, Australia, or East Asia.

The November 28 penumbral lunar eclipse is the 11th member of Saros 145, a series of 71 eclipses in the following sequence: 18 penumbral, 10 partial, 15 total, 20 partial, and 8 penumbral lunar eclipses (Espenak and Meeus, 2009).

 

Eclipse map and predictions courtesy of Fred Espenak - NASA/Goddard Space Flight Center.
For more information on solar and lunar eclipses, see Fred Espenak's Eclipse Home Page:

http://eclipse.gsfc.nasa.gov/eclipse.html

 

 

 

Links

 
Lunar Eclipses for Students and Beginners!
 
 
 
 

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