Rare eclipse of moon over Arizona tonight - Tucson News Now

Rare eclipse of moon over Arizona tonight

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Source: eclipsegeeks.com Source: eclipsegeeks.com

A rare lunar eclipse is happening over Arizona tonight. 

The eclipse starts at 8:53 PM with the peak of the eclipse at 9:10 PM.

The eclipse ends at 9:26 PM.

Tonight's celestial event is known as a Penumbral Lunar Eclipse. 

This type of eclipse is very rare and is not visually impressive. 

Space.com says "This is the least interesting type of eclipse, because the moon is in Earth's faint outer (penumbral) shadow. Unless you're a seasoned skywatcher, you likely won't notice the effect."

The below image from mreclipse.com shows the slight different in moon brightness during the eclipse. 


Ecobuzzla.com explains a penumbral eclipse in the image below.

The penumbra is the slightly darkened area between the Earth's shadow and the area completely illuminated by the sun.


 

The information below is from NASA.  

 

Penumbral Lunar Eclipse of May 25

 

The second lunar eclipse of the year again occurs at the Moon's ascending node in Scorpius about 7° northwest of Antares (mv = +1.07). With a penumbral eclipse magnitude [6] of 0.0158, just 0.5 arc-minutes of the Moon's southern limb will pass into Earth's pale penumbral shadow; such a shallow eclipse is only of academic interest since it will be all but impossible to detect.

Nevertheless, the Moon's contact times with Earth's penumbra are listed below.

               Penumbral Eclipse Begins:   03:53:11 UT                Greatest Eclipse:           04:10:00 UT                Penumbral Eclipse Ends:     04:26:56 UT 

During the event, the Moon will be visible from the Americas and western Africa. Figure 3 shows the path of the Moon through the penumbra as well as a map showing the geographic regions of visibility.

The May 25 penumbral lunar eclipse is the very first eclipse of Saros 150, a series of 71 eclipses in the following sequence: 8 penumbral, 23 partial, 12 total, 15 partial, and 13 penumbral lunar eclipses (Espenak and Meeus, 2009). Saros 150 peaks with a total eclipse on 2680 Jul 04 and it ends on 3275 Jun 30. Complete details for the series can be found at:

eclipse.gsfc.nasa.gov/LEsaros/LEsaros150.html

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