The Full Cold Moon; or the Full Long Nights Moon – December During this month the winter cold fastens its grip, and nights are at their longest and darkest. It is also sometimes called the Moon before Yule. The term Long Night Moon is a doubly appropriate name because the midwinter night is indeed long, and because the Moon is above the horizon for a long time. The midwinter full Moon has a high trajectory across the sky because it is opposite a low Sun.
It’s also a full lunar eclipse, for those who are blessed with clear skies this morning.
This combo of photos shows, left, the full moon behind clouds and, right, the earth’s shadow casting over the moon a few minutes later during a lunar eclipse on early Dec. 21, seen from the northeastern German town of Petersdorf. (Patrick Pleul / AFP - Getty Images)
I love this visualization of tomorrow’s auspicious astronomical event in the wee hours tomorrow.
From beginning to end, the eclipse will last about three hours and twenty-eight minutes. For observers on the east coast of the U.S. the eclipse lasts from 1:33am EST through 5:01 a.m. EST. Viewers on the west coast will be able to tune in a bit earlier. For them the eclipse begins at 10:33 p.m. PST on December 20 and lasts until 2:01am PST on Dec. 21. Totality, the time when Earth’s shadow completely covers the moon, will last a lengthy 72 minutes. (via NASA) You going to watch?