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Originally Posted by G-Mo  |
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I'm hearing conflicting reports regarding 9:34 and 11:35PM. |
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The discussion about when the closest Full Moon of 2012 occurs is moot at this time. But here's the info: the U.S. Naval Observatory (USNO) in Washington D.C. publishes the annual Astronomical Almanac jointly with Her Majesty's Nautical Almanac Office in the U.K. The Almanac contains fundamental astronomical data, and is a reference that most research observatories use. USNO is also the timekeeper of a master atomic clock.
According to USNO, the closest Full Moon of 2012 happened on May 6 at 03:36 Universal Time (UT). Universal Time is very close to Greenwich Mean Time (GMT). The two timescales are often treated as the same in everyday use. For a technical discussion of the two timescales, see
here.
May 6 03:36 UT equals to May 5 11:36pm EDT / 8:36pm PDT.
National Post quoted a time of 9:34pm. The paper interviewed this fellow Bruce McCurdy. Do a Google search and you will find that this guy is in Edmonton. So the paper quoted the time zone in Alberta.
I do not like the term "supermoon". What so super about this past Full Moon other than being the closest one in the year? What about the Full Moon that is the furthest on Nov. 28? That's "super" too in a way; super far?? It doesn't help that NASA actually uses the term "supermoon" in its
article.
Here's an interesting piece of info: since the past Full Moon is the closest this year, half an orbit later on May 19 the Moon will be at its furthest point along its current orbit around the Earth. And that would also be the furthest the Moon will be from Earth in 2012. The lunar phase will be one day before a New Moon on May 19.
The next day May 20, the Moon will be New and cross directly in front of the Sun. Since the Moon is a day after reaching its furthest distance from Earth this year, the New Moon will be a little too far away to completely block the disk of the Sun as seen from Earth. So we have a somewhat rare annular solar eclipse. That means there is a ring of light surrounding the black disk of the New Moon. The annular solar eclipse is only visible along a narrow strip of area. Outside the strip the eclipse is partial of various magnitudes. Areas west of Ontario can see the partial eclipse in its entirety.