Penumbral Lunar Eclipse 6 August 2009 | |
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This subtle penumbral eclipse covered 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 (3 of 71) |
Gamma | 1.3572 |
Magnitude | 0.4019 |
Duration (hr:mn:sc) | |
Penumbral | 3:09:47 |
Contacts (UTC) | |
P1 | 23:04:21 (Aug 5) |
Greatest | 0:39:11 |
P4 | 2:14:08 |
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 6 August 2009, the third of four lunar eclipses in 2009. The Moon's small entry into the Earth's penumbral shadow produced an extremely subtle dimming of the Moon's southern edge, difficult to observe visually.
The eclipse was completely visible over Africa and Europe and South America. It was seen rising over eastern North America and setting over Asia.
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 | ||||||||
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Descending node | Ascending node | |||||||
Saros # and photo | Date Viewing | Type Chart | Gamma | Saros # and photo | Date Viewing | Type Chart | Gamma | |
113 | 2006 Mar 14 | penumbral | 1.0211 | 118 | 2006 Sep 7 | partial | −0.9262 | |
123 | 2007 Mar 03 | total | 0.3175 | 128 | 2007 Aug 28 | total | −0.2146 | |
133 | 2008 Feb 21 | total | −0.3992 | 138 | 2008 Aug 16 | partial | 0.5646 | |
143 | 2009 Feb 09 | penumbral | −1.0640 | 148 | 2009 Aug 06 | penumbral | 1.3572 | |
Last set | 2005 Apr 24 | Last set | 2005 Oct 17 | |||||
Next set | 2009 Dec 31 | Next set | 2009 Jul 07 |
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). [1] This lunar eclipse is related to two partial solar eclipses of Solar Saros 155.
31 July 2000 | 11 August 2018 |
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This is the third eclipse this season.
First eclipse this season: 7 July 2009 Penumbral Lunar Eclipse
Second eclipse this season: 22 July 2009 Total Solar Eclipse
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A total lunar eclipse took place on 10 December 2011. It was the second of two total lunar eclipses in 2011, the first having occurred on June 15. A lunar eclipse occurs when the Moon is positioned just right in its orbit to pass through Earth's shadow.
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A penumbral lunar eclipse took place on 7 July 2009, the second of four lunar eclipses in 2009. This eclipse entered only the southernmost tip of the penumbral shadow and thus was predicted to be very difficult to observe visually. This lunar eclipse was the predecessor of the solar eclipse of 22 July 2009.
A partial lunar eclipse was visible on 31 December 2009. It was the last and largest of four minor lunar eclipses in 2009. This lunar eclipse was also notable, because it occurred during a blue moon and was near perigee. The next eclipse on New Year's Eve and blue moon will occur on 31 December 2028.
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A partial lunar eclipse took place on 4 June 2012. It was the first of two lunar eclipses occurring in 2012, the second eclipse set to happen on 28 November. The Moon was about 37% covered by the Earth's northern umbral shadow at maximum eclipse.
A penumbral lunar eclipse occurred on 28 November 2012, the second of two lunar eclipses in 2012.
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A partial lunar eclipse took place on 25 April 2013, the first of three lunar eclipses in 2013. Only a tiny sliver (1.48%) of the Moon was covered by the Earth's umbral shadow at maximum eclipse, but the entire northern half of the Moon was darkened from being inside the penumbral shadow. This was one of the shortest partial eclipses of the Moon for the 21st century, lasting 27 minutes. This was the last of 58 umbral lunar eclipses of Lunar Saros 112.
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A penumbral lunar eclipse took place on Tuesday, January 20, 1981, the first of two lunar eclipses in 1981. In a rare total penumbral eclipse, the entire Moon was partially shaded by the Earth, and the shading across the Moon should have been quite visible at maximum eclipse. The penumbral phase lasted for 4 hours and 24 minutes in all, though for most of it, the eclipse was extremely difficult or impossible to see. The moon's apparent diameter was larger because the eclipse occurred 5.2 days after perigee.
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