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

Astronomical Events

Events

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Today
  • 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…

  • 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…

  • Night’s Brightest Star

    Sirius, the brightest star in Canis Major and in the entire night sky, too, is hard to miss once it clears the trees and rooftops in the southeast by 7:30…

  • Earthshine Moon with Antares and Mercury

    If the weather forecast calls for clear skies to the southeast on Saturday morning, December 28, it will be worth venturing outside around breakfast time to see the pretty spectacle…

  • Second New Moon of December

    The moon cycles through its phases every 29.5 days, allowing a phase to repeat if it first occurs early in a calendar month. For the second time in December, the…