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    • Source: May 2013 lunar eclipse

      • A penumbral lunar eclipse occurred at the Moonā€™s ascending node of orbit on Saturday, May 25, 2013, with an umbral magnitude of āˆ’0.9322. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring only about 18 hours before perigee (on May 25, 2013, at 21:40 UTC), the Moon's apparent diameter was larger.
      This eclipse was visually imperceptible due to the small entry into the penumbral shadow. It also marked the beginning of Saros series 150.


      Visibility


      The eclipse was completely visible over much of North and South America, west Africa, and western Europe, seen rising over the central Pacific Ocean and western Canada and setting over central Europe and central Africa.


      Images




      Gallery









      Eclipse details


      Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.


      Eclipse season



      This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.


      Related eclipses




      = Eclipses in 2013

      =
      A partial lunar eclipse on April 25.
      An annular solar eclipse on May 10.
      A penumbral lunar eclipse on May 25.
      A penumbral lunar eclipse on October 18.
      A hybrid solar eclipse on November 3.


      = Metonic

      =
      Preceded by: Lunar eclipse of August 6, 2009


      = Tzolkinex

      =
      Followed by: Lunar eclipse of July 5, 2020


      = Tritos

      =
      Preceded by: Lunar eclipse of June 24, 2002


      = Lunar Saros 150

      =
      Followed by: Lunar eclipse of June 5, 2031


      = Inex

      =
      Preceded by: Lunar eclipse of June 13, 1984


      = Triad

      =
      Preceded by: Lunar eclipse of July 25, 1926


      = Lunar eclipses of 2009ā€“2013

      =
      This eclipse is the 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.


      = Saros 150

      =
      This is the first lunar eclipse of Saros series 150. The next occurrence will also be a penumbral eclipse on 5 June 2031. Solar Saros 157 interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.
      Partial eclipses in series 150 will occur between 20 August 2157 and past the year 3000. Total eclipses will occur between 29 April 2572 and 28 August 2770.


      See also


      List of lunar eclipses and List of 21st-century lunar eclipses
      File:Penumbral eclipse of May 25, 2013 from lunar south pole.gif Animation of Earth as seen from lunar south pole during the eclipse.


      Notes and references




      External links


      2013 May 25 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC

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