• Source: August 2007 lunar eclipse

A total lunar eclipse occurred at the Moon’s ascending node of orbit on Tuesday, August 28, 2007, with an umbral magnitude of 1.4777. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Occurring about 2.4 days before perigee (on August 30, 2007, at 20:10 UTC), the Moon's apparent diameter was larger.
This was a relatively rare central lunar eclipse, where the Moon crossed the center of the Earth's shadow. It was the most recent central lunar eclipse of Saros series 128 as well as the "longest and deepest lunar eclipse to be seen in 7 years". In the total lunar eclipse of July 16, 2000 the moon passed within two arc minutes of the center of the Earth's shadow. In comparison, this still very deep eclipse was off-center by over 12 minutes of arc. The next total lunar eclipse of a longer duration was on June 15, 2011.




Visibility


Viewing from Oceania was favored for the eclipse, because at the moment of greatest eclipse (10:37:22 UTC), the Moon was at the zenith of French Polynesia. The Pacific regions of Canada and the continental United States (including all of Alaska) witnessed the whole event, along with most of eastern Australia, New Zealand and all the Pacific Island regions (except New Guinea), and the tip of the Chukchi Peninsula that includes the town of Uelen, Russia. The majority of the Americas observed an abbreviated eclipse, with moonset occurring at some time during the eclipse. Siberia, far eastern Russia, eastern South Asia, China, the rest of eastern and southeastern Asia, New Guinea, and the rest of Australia missed out on the beginning of the eclipse, because the eclipse occurred at or close to moonrise in those regions.
Luzon (except Visayas and Mindanao) in the Philippines, particularly Metro Manila, missed the rare eclipse entirely, due to clouds in the area due to the rainy season, which saddened many eclipse watchers in the area, but the eclipse was sighted by other amateur astronomers in other parts of the country as the lunar eclipse seen in clear skies. The eclipse was also missed in New Guinea, especially Port Moresby because of clouds. Greenland, Europe (including western Russia), Africa, western Asia, western Central Asia, and western South Asia missed the eclipse completely.




Images






Gallery























Eclipse details


Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.




Eclipse season



This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.




Related eclipses






= Eclipses in 2007

=
A total lunar eclipse on March 3.
A partial solar eclipse on March 19.
A total lunar eclipse on August 28.
A partial solar eclipse on September 11.




= Metonic

=
Preceded by: Lunar eclipse of November 9, 2003
Followed by: Lunar eclipse of June 15, 2011




= Tzolkinex

=
Preceded by: Lunar eclipse of July 16, 2000
Followed by: Lunar eclipse of October 8, 2014




= Half-Saros

=
Preceded by: Solar eclipse of August 22, 1998
Followed by: Solar eclipse of September 1, 2016




= Tritos

=
Preceded by: Lunar eclipse of September 27, 1996
Followed by: Lunar eclipse of July 27, 2018




= Lunar Saros 128

=
Preceded by: Lunar eclipse of August 17, 1989
Followed by: Lunar eclipse of September 7, 2025




= Inex

=
Preceded by: Lunar eclipse of September 16, 1978
Followed by: Lunar eclipse of August 7, 2036




= Triad

=
Preceded by: Lunar eclipse of October 27, 1920
Followed by: Lunar eclipse of June 28, 2094




= Lunar eclipses of 2006–2009

=




= Metonic series

=
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will be in nearly the same location relative to the background stars.




= Saros 128

=
Lunar saros series 128, repeating every 18 years and 11 days, has a total of 71 lunar eclipse events including 57 umbral eclipses (42 partial lunar eclipses and 15 total lunar eclipses). Solar Saros 135 interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.

Lunar Saros 128 contains 15 total lunar eclipses between 1845 and 2097 (in years 1845, 1863, 1881, 1899, 1917, 1935, 1953, 1971, 1989, 2007, 2025, 2043, 2061, 2079 and 2097). Solar Saros 135 interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.




= Half-Saros cycle

=
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to two annular solar eclipses of Solar Saros 135.




See also


List of lunar eclipses and List of 21st-century lunar eclipses
File:2007-08-28 Lunar Eclipse Sketch.gif Chart




Notes






External links



NASA, Eclipses of 2007
2007 Aug 28 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
NASA Saros series 128
Hermit eclipse: Total lunar eclipse: August 28, 2007
Astronomy magazine: August 23, 2007 central total eclipse
Photos
APOD: August 30 2007
Lunar Eclipse Gallery: 28aug07
Video of eclipse
http://www.starrynightphotos.com/moon/lunar_eclipse_august_2007.htm
https://web.archive.org/web/20100114175256/http://echeng.com/journal/images/misc/echeng-full-lunar-eclipse.jpg

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