Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).

Astronomical Events

Events

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Today
  • Ursids Meteor Shower Peak

    The Ursids meteor shower, which is produced by particles of debris dropped by the periodic comet 8P/Tuttle, runs from December 17 to 26 every year. The weak, short-duration shower will…

  • 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…

  • 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…

  • 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…

  • 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…