June 2012 lunar eclipse

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.

Partial Lunar Eclipse
4 June 2012

From Brisbane, Australia, 11:06 UTC

The Moon passed partially into the northern umbral shadow of the Earth.
Series (and member)140 (25 of 80)
Duration (hr:mn:sc)
Partial2:06:35
Penumbral4:30:02
Contacts (UTC)
P18:48:11
U19:59:53
Greatest11:03:12
U412:06:28
P413:18:13

The Moon's hourly motion across the Earth's shadow in the constellation of Ophiuchus (north of Scorpius)

Visibility

This lunar eclipse, occurring during June's "Strawberry" full moon[1] was completely visible over Australia, rising over eastern Asia and setting over western North America. New England and eastern Canada missed the entire eclipse since the event began after moonset in those regions. The eclipse was visible in the central United States.

Amongst those in North America, observers in western Canada and the USA had the best views with moonset occurring sometime after mid-eclipse.


This simulation shows the Earth at the time of greatest eclipse as viewed from the center of the Moon. The Sun is seen here as a partial solar eclipse over the Earth's north pole.

Eclipses of 2012

Lunar year (354 days)

This eclipse was 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

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 annular solar eclipses of Solar Saros 147.

31 May 2003 10 June 2021

Tzolkinex


See also

References
  1. "Partial Eclipse of the Strawberry Moon". NASA. 28 May 2012. Retrieved 4 May 2020.
  2. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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