Northern Winter Solstice
Winter in the Northern Hemisphere will officially commence in the Americas on Saturday, December 21 at 4:21 a.m. EST and 1:21 a.m. PST, or 09:21 GMT. At the solstice, the…
5 events found.
Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).
Astronomical Events
Events
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Third Quarter Moon
The moon will complete three quarters of its orbit around Earth, measured from the previous new moon, on Sunday, December 22 at 5:18 p.m. EST, 2:18 p.m. PST, or 22:18…
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Two Shadows and the Red Spot Cross Jupiter
From time to time, observers with good quality telescopes can watch the small, round, black shadows of the Galilean moons traverse Jupiter’s disk. On Monday morning, December 23, sky-watchers located…
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Crescent Moon Moves Toward Spica
Early risers on Tuesday morning, December 24 will see the pretty sight of the waning crescent moon shining in the southern sky close to Libra’s brightest star, Spica. The star…
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Mercury at Greatest Western Elongation
On the mornings surrounding Wednesday, December 25, Mercury will reach its widest angle of 22° west of the sun, and peak visibility, for its current morning apparition. Starting around 5:45…
