Penumbral Lunar Eclipse
7 July 2009

The Moon grazed the southern penumbral shadow of the Earth.
Series (and member)110 (71 of 72)
Gamma-1.4915
Magnitude0.1562
Duration (hr:mn:sc)
Penumbral2:01:29
Contacts (UTC)
P18:37:51
Greatest9:38:36
P410:39:20

This lunar eclipse grazes the southern edge of the Earth's penumbral shadow occurs at the ascending node of the Moon's orbit, in the constellation of Sagittarius

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.[1] This lunar eclipse was the predecessor of the solar eclipse of 22 July 2009.

Eclipse season

This is the first eclipse this season.

Second eclipse this season: 22 July 2009 Total Solar Eclipse

Third eclipse this season: 6 August 2009 Penumbral Lunar Eclipse

Visibility

It was predicted to be seen rising over Australia after dusk on 7 July and setting over western North and South America in the early predawn hours of 7 July.

Map

Eclipses of 2009

Lunar year (354 days)

This eclipse is one of five lunar eclipses in a short-lived series. 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 2009–2013
Ascending node   Descending node
Saros #
Photo		 Date
Viewing		 Type
chart		 Gamma Saros #
Photo		 Date
Viewing		 Type
chart		 Gamma
110 2009 Jul 07
 penumbral
 −1.4916 115
 2009 Dec 31
 partial
 0.9766
120
 2010 Jun 26
 partial
 −0.7091 125
 2010 Dec 21
 total
 0.3214
130
 2011 Jun 15
 total
 0.0897 135
 2011 Dec 10
 total
 −0.3882
140
 2012 Jun 04
 partial
 0.8248 145 2012 Nov 28
 penumbral
 −1.0869
150 2013 May 25
 penumbral
 1.5351
Last set 2009 Aug 06 Last set 2009 Feb 9
Next set 2013 Apr 25 Next set 2013 Oct 18

Saros series

This eclipse is a member of Saros series 110. The previous event occurred on 27 June 1991. The next event is on 18 July 2027 which will end the 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).[2] This lunar eclipse is related to two partial solar eclipses of Solar Saros 117.

1 July 2000 13 July 2018

See also

Wikimedia Commons has media related to Lunar eclipse of 2009 July 7.

Notes

  1. ↑ Sky&Telescope: "The moon skims through too little of the penumbra to be noticed even by the most intent observer." Archived February 2, 2009, at archive.today
  2. ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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