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 37.042% covered by the Earth's northern umbral shadow at maximum eclipse. The portion of the moon inside the umbral shadow was illuminated by sunlight refracted through the Earth's atmosphere, rendering it much dimmer and with a reddish hue.

June 2012 lunar eclipse
Partial eclipse
From Australia, 11:06 UTC
Date4 June 2012
Gamma0.82480
Magnitude0.37042
Saros cycle140 (25 of 80)
Partiality126 minutes, 36 seconds
Penumbral270 minutes, 8 seconds

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.

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.

May 31, 2003 June 10, 2021

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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