March Moon at Descending Node

   Monday March 16th the last quarter 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.

   On the date of the descending node the 22-day old last quarter Moon will be about mid-way across the Milky Way, although with the brightness of the Moon the glow of the Milky Way will not be visible.

   This part of the Milky Way has many beautiful deep sky objects like the two diffuse nebula, M-20 and M-8, currently within a 7×50 binocular field of view including the Moon. But unfortunately not visible until the Moon with its reflected light moves further east.


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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