• Source: August 2008 lunar eclipse

A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Saturday, August 16, 2008, with an umbral magnitude of 0.8095. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. 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. Occurring about 6.2 days before apogee (on August 10, 2008, at 16:20 UTC), the Moon's apparent diameter was smaller.




Visibility


The eclipse was completely visible over Africa, Europe, Antarctica, and west, central, and south Asia, seen rising over South America and setting over east Asia and Australia.
The planet Neptune was 2 days past opposition, visible in binoculars as an 8th magnitude "star" just two degrees west and slightly south of the Moon.




Images






Gallery


Progression from Oslo, Norway





































































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 2008

=
An annular solar eclipse on February 7.
A total lunar eclipse on February 21.
A total solar eclipse on August 1.
A partial lunar eclipse on August 16.




= Metonic

=
Preceded by: Lunar eclipse of October 28, 2004
Followed by: Lunar eclipse of June 4, 2012




= Tzolkinex

=
Preceded by: Lunar eclipse of July 5, 2001
Followed by: Lunar eclipse of September 28, 2015




= Half-Saros

=
Preceded by: Solar eclipse of August 11, 1999
Followed by: Solar eclipse of August 21, 2017




= Tritos

=
Preceded by: Lunar eclipse of September 16, 1997
Followed by: Lunar eclipse of July 16, 2019




= Lunar Saros 138

=
Preceded by: Lunar eclipse of August 6, 1990
Followed by: Lunar eclipse of August 28, 2026




= Inex

=
Preceded by: Lunar eclipse of September 6, 1979
Followed by: Lunar eclipse of July 27, 2037




= Triad

=
Preceded by: Lunar eclipse of October 16, 1921
Followed by: Lunar eclipse of June 17, 2095




= Lunar eclipses of 2006–2009

=




= Saros 138

=
Lunar saros series 138 has 26 total eclipses between September 7, 2044 and March 24, 2369. The longest eclipse will be on January 7, 2243, and last for 102 minutes.
Partial eclipses will occur between June 24, 1918 and August 13, 2603. Penumbral eclipses will occur between October 15, 1521 and March 30, 2982.




= 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 in nearly the same location relative to the background stars.




= 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 total solar eclipses of Solar Saros 145.




See also


List of lunar eclipses and List of 21st-century lunar eclipses
Solar eclipse of August 1, 2008
File:2008-08-16 Lunar Eclipse Sketch.gif Chart




Notes






External links


NASA: Partial Lunar Eclipse: August 16, 2008
NASA
2008 Aug 16 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
Hermit eclipse (Ian Cameron Smith) Partial Lunar Eclipse: August 16, 2008
Sky&Telescope, Eclipses of 2008
Animation of lunar eclipse 16 August 2008
APOD August 20, 2008, [1]
Composite photos showing Earth's shadow
Spaceweather.com lunar eclipse gallery

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