August 2009 lunar eclipse
|Penumbral Lunar Eclipse|
August 6, 2009
This subtle penumbral eclipse covered a fraction of the southern part of the moon as shown in this animation by John Walker, viewed from Lignières, Switzerland.
The moon grazed the Earth's southern penumbral shadow.
|Series (and member)||148 (3rd)|
|P1||23:04:21 (Aug 5)|
The moon's hourly motion west to east through the constellation of Capricornus and the northern edge of the Earth's penumbral shadow
A penumbral lunar eclipse took place on August 6, 2009, the third of four lunar eclipses in 2009. The moon's small entry into the Earth's penumbral shadow will produce an extremely subtle dimming of the moon's southern edge, difficult to observe visually.
This is the third eclipse this season.
First eclipse this season: Penumbral Lunar Eclipse 7 Jul 2009
Second eclipse this season: Total Solar Eclipse 22 Jul 2009
The eclipse was completely visible over Africa and Europe and South America. It was seen rising over eastern North America and setting over Asia.
Eclipses of 2009Edit
- An annular solar eclipse on January 26.
- A penumbral lunar eclipse on February 9.
- A penumbral lunar eclipse on July 7.
- A total solar eclipse on July 22.
- A penumbral lunar eclipse on August 6.
- A partial lunar eclipse on December 31.
Lunar year cycles (354 days)Edit
The lunar year series repeats after 12 lunations or 354 days (Shifting back about 10 days in sequential years). Because of the date shift, the Earth's shadow will be about 11 degrees west in sequential events.
|Lunar eclipse series sets from 2006–2009|
|Descending node||Ascending node|
||2006 Mar 14
||2006 Sep 7
||2007 Mar 03
||2007 Aug 28
||2008 Feb 21
||2008 Aug 16
||2009 Feb 09
||2009 Aug 06
|Last set||2005 Apr 24||Last set||2005 Oct 17|
|Next set||2009 Dec 31||Next set||2009 Jul 07|
|July 31, 2000||August 11, 2018|
- Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
- John Walker (2009-08-07). "Penumbral Lunar Eclipse Imaged". Retrieved 2009-08-23. The eclipse was captured with two digital photographs and combined into one gif file.
- 2009 Aug 06 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
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