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MOON WATCHING DURING THE CURRENT YEAR

[Peak years of the 18.6-year lunar cycle, called Major Lunar Standstill years, are 2006 & 2024-25]


SEPTEMBER through DECEMBER 2010

  • NORTHERNMOST MOON -- September 2-3, 2010 (~3rd Quarter near Equinox)
    • rise ~0:30 a.m. EDT Sept. 3
    • transit ~8:15 a.m. EDT -- Waning Crescent Moon high overhead in morning
    • set ~4:00 p.m. EDT Sept. 3

  • SOUTHERNMOST MOON -- September 15, 2010 (1st Quarter near Equinox)
    • rise ~3:00 p.m. EDT
    • transit ~7:15 p.m. EDT -- 1st Quarter Moon low in South around sunset
    • set ~11:30 p.m. EDT

  • NORTHERNMOST MOON -- September 29-30, 2010 (3rd Quarter Moon near Equinox)
    • rise ~10:30 p.m. EDT Sept. 29
    • transit ~6:15 a.m. EDT -- 3rd Quarter Moon high overhead in early morning
    • set ~2:00 p.m. EDT Sept. 30

  • SOUTHERNMOST MOON -- October 12, 2010 (5 days after New)
    • rise ~12:30 p.m. EDT
    • transit ~5:00 p.m. EDT -- Waxing Crescent Moon low in South around sunset
    • set ~9:30 p.m. EDT

  • NORTHERNMOST MOON -- October 26-27, 2010 (4 days after Full)
    • rise ~8:00 p.m. EDT Oct. 26
    • transit ~3:45 a.m. EDT -- Waning Gibbous Moon high overhead
    • set ~11:30 a.m. EDT Oct. 27

  • SOUTHERNMOST MOON -- November 9, 2010 (4 days aftere New)
    • rise ~10:15 a.m. EST
    • transit ~2:45 p.m. EST -- Waxing Crescent Moon low in South in afternoon
    • set ~7:15 p.m. EST

  • NORTHERNMOST MOON -- November 23-24, 2010 (2 days after Full)
    • rise ~6:00 p.m. EST Nov. 23
    • transit ~1:45 a.m. EST -- Moon high overhead after nmidnight
    • set ~9:30 a.m. EST Nov. 24

  • SOUTHERNMOST MOON -- December 6, 2010 (~New Moon near Solstice)
    • rise ~8:00 a.m. EST
    • transit ~12:30 p.m. EST -- Moon low in South around noon
    • set ~5:00 p.m. EST

  • NORTHERNMOST MOON -- December 20-21, 2010 (Full Moon at Winter Solstice)
    • rise ~3:45 p.m. EST Dec. 20
    • transit ~11:30 p.m. EST -- Full Moon high overhead at midnight
    • TOTAL ECLIPSE OF THE MOON ~3 a.m. EST Dec. 21
    • set ~7:15 a.m. EST Dec. 21



MOVING THROUGH 2010 -- As we move through 2010, the monthly northern and southern extremes along the horizon of moonrise and moonset will not be as great as they were during 2005-2007, since we will be moving away from 2006, the peak year of the Moon's 18.6-year cycle. At the end of 2010, on the winter solstice, there will be a total eclipse of the Moon visible throughout the continental US. To have an eclipse on the winter solstice means that the Moon's extremes are matching the Sun's, and this similarity continues into 2011, when we will have arrived at the point in the Moon's 18.6 year cycle when the Moon's monthly range of rising and setting precisely matches that of the Sun. This is followed 4.7 years later by the minimum of the Moon's 18.6-year cycle, called Minor Lunr Standstill, when the Moon's monthly extremes of rising and setting are not as great as the Sun's extremes at Solstice. For more information on the Major Lunar Standstill and the Moon's 18.6-year cycle, click here.





  A project conceived by Dr. Judith S. Young
 Professor of Astronomy, University of Massachusetts, Amherst
 e-mail: Judith Young at young@astro.umass.edu

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