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

Astronomical Events

Events

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Today
  • 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…

  • Jupiter at Opposition

    On Saturday, December 7, Jupiter will reach opposition while it gleams brightly between the horns of Taurus and a palm’s width to the left (or 7.5 degrees to the celestial…

  • 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…

  • First Quarter Moon

    The moon will complete the first quarter of its 29.53-day trip around Earth on Sunday, December 8 at 10:27 a.m. EST, 7:27 a.m. PST, and 15:27 GMT. At first quarter,…