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

Astronomical Events

Events

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Today
  • The Double Cluster

    The northeastern sky on December evenings hosts the bright constellations of Perseus and W-shaped Cassiopeia, with the very bright yellowish star Capella gleaming below them. The sky between Perseus and…

  • Crescent Moon Shines near Venus

    As the sky is darkening after sunset on Wednesday, December 4, look low in the western sky to see the pretty, waxing crescent moon shining several finger widths below (or…

  • Lunar Crater Piccolomini

    On Thursday evening, December 5, the curved terminator on the moon will fall just to the left (or lunar west) of ancient Mare Nectaris, the dark and roughly circular patch…

  • Moon Moves Past Saturn

    On Saturday evening, December 7 in the Americas, the waxing crescent moon will shine a palm’s width to the lower right (or celestial west) of Saturn. The pair will be…

  • Mars Enters Retrograde

    On Saturday, December 7, Mars’ easterly orbital motion through the stars of Cancer will slow to a stop in order for it to begin a westerly retrograde loop that will…