A December Moon 3 for 1

                              New Phase, Descending Node, and a Solar Eclipse!

   Monday December 14th the new Moon crosses the plane of the ecliptic moving south. This is known as the descending node, one of two intersections the Moon’s orbital path (dark green line) has with the ecliptic. This is an event that happens 2-3 times each month, but when a node crossing happens at new or full Moon phase there will be either a solar eclipse at new Moon or a lunar eclipse at full Moon.
   It’s all about timing, and the closer the node crossing time is to the time for the new or full phase that increases the chances for an eclipse. The time for the descending node crossing is 11:00 UT December 14th and the time for new Moon phase is about 5 hours later at 16:16 UT.

   So we get a total solar eclipse this time around. Hopefully my two camera amigos in Esquel Argentina will get some good pictures. Hint, hint Pablo y Checho!

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.

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