Lunar Eclipse Set for Wednesday Morning

Assuming the fog or clouds don't blanket the sky, the Puget Sound should be able to witness this year's last lunar eclipse Wednesday morning. It will be a "penumbral" eclipse where the outer edge of the Earth's shadow dims

The next performance of light and shadow by the Earth-Moon-Sun trio takes place Wednesday morning when the Earth passes between the Sun and Moon creating a "penumbral lunar eclipse."

In a penumbral lunar eclipse, the moon falls under the dim edge, or penumbra, of the Earth's shadow, instead of the main part of the shadow called the umbra. As a result, the moon's face grows a bit dimmer instead of showing a clearly defined disc moving across it as can be seen in a regular lunar eclipse.

The eclipse will peak around 6:33 a.m. Pacific time, and should be detectable between 6-7 a.m., according to NASA. This assumes that fog or clouds aren't blocking our view of the moon at the time.

"It should be easily visible to the naked eye as a dusky shading in the northern half of the Moon," says the NASA website.

The penumbral lunar eclipse is one of 4 eclipses in 2012. Other eclipses for the year are:

The eclipse will not be visible from the Eastern seaboard of the United States since it will occur after moonset there.

Kelly November 28, 2012 at 06:24 AM
Cool! Thanks for this article :) I hope it is clear tomorrow morning!
Jenny Manning November 28, 2012 at 04:09 PM
Were you able to see the penumbral lunar eclipse, Kelly?
Chuck Pilcher November 28, 2012 at 07:30 PM
"the Puget Sound should be able to witness this year's last lunar eclipse" Does the media's frequent use of the phrase "the Puget Sound" grate on anyone besides me? We don't say "the Seattle," or "the Mount Rainier" or "the Lake Washington," do we?
Greg Johnston (Editor) November 28, 2012 at 07:54 PM
I agree, it strikes me as an odd way to say it too Chuck. Another one that gets me is "the Hood Canal" for Hood Canal or the "Straits of Juan de Fuca" for the Strait of Juan de Fuca. Also, why do Canadians call their inland marine waters, such as the Strait of Georgia and Howe Sound, "the ocean?" The ocean is way out to the west!
Kendall Watson November 28, 2012 at 07:55 PM
I was a little disappointed by the eclipse this morning. It was barely visible as the moon started to set over the Olympics at around 6:15-6:30 am. No discernable eclipse from my view, sadly.


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