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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.
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Can I see the eclipse?
To catch the entire event, one must be
in Alaska, Hawaii, Australia, or east Asia. Observers in western Canada
and the USA can also see the eclipse, with the moonset occurring
sometime after mid-eclipse. Eastern Canada and the USA will miss the
eclipse entirely since it begins after moonset.When will the eclipse occur?
Here are the key times for the lunar eclipse:- Penumbral eclipse starts – 12:14:58 UT
- Greatest eclipse – 14:33:00 UT
- Penumbral eclipse ends - 16:51:02 UT
Some more information from NASA:-
The first solar eclipse of 2012 occurs at the Moon's descending node in central Taurus. An annular eclipse will be visible from a 240 to 300 kilometre-wide track that traverses eastern Asia, the northern Pacific Ocean and the western United States. A partial eclipse is seen within the much broader path of the Moon's penumbral shadow, that includes much of Asia, the Pacific and the western 2/3 of North America
The annular path begins in southern China at 22:06 UT.
Because the Moon passed through apogee one day earlier (May 19 at 16:14 UT),
its large distance from Earth produces a wide path of annularity.
Traveling eastward, the shadow quickly sweeps along the southern coast of Japan
as the central line duration of annularity grows from 4.4 to 5.0 minutes.
Tokyo lies 10 kilometres north of the central line.
For the over 10 million residents within the metropolitan area, the
annular phase will last
5 minutes beginning at 22:32 UT (on May 21 local time).
The annular ring is quite thick because the Moon's apparent diameter is
only 94% that of the Sun.
Traveling with a velocity of 1.1 kilometres/second, the antumbral shadow
leaves Japan and heads northeast across the Northern Pacific.
The instant of greatest eclipse occurs at 23:52:47 UT when the eclipse magnitude reaches 0.9439.
At that instant, the duration of annularity is 5 minutes 46 seconds,
the path width is 237 kilometres and the Sun is 61° above the flat horizon formed by the open ocean.
The shadow passes just south of Alaska's Aleutian Islands as the central track slowly curves to the southeast.
After a 7000 kilometre-long ocean voyage lasting nearly 2 hours, the antumbra finally reaches land again along
the rugged coastlines of
southern Oregon and northern California
Redding, CA lies 30 kilometres south of the central line.
Nevertheless, it still experiences an annular phase lasting 4 1/2 minutes beginning at 01:26 UT.
It is already late afternoon along this section of the eclipse path.
The Sun's altitude is 20° during the annular phase and decreasing as the track heads southeast.
Central Nevada, southern Utah, and northern Arizona are all within the annular path.
By the time the antumbra reaches Albuquerque, NM (01:34 UT), the central duration is still 4 1/2 minutes,
but the Sun's altitude has dropped to 5°.
As its leading edge reaches the Texas Panhandle, the shadow is now an elongated ellipse extending all the way to Nevada.
Seconds later, the antumbra begins its rise back into space above western Texas as the track and the annular eclipse end.
Articles Sources:-
http://www.amazingpod.net/2012/11/lunar-eclipse.html
and,
http://www.eclipse.gsfc.nasa.gov/OH/OH2012.html
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