Sunday, 30 November 2025

December Skies

A brief overview of what to see in the sky with the unaided eye during December:

Stars and Constellations

   The constellations of Auriga, Taurus and Orion are prominent and high in the eastern sky and are convenient to view during December evenings

   Auriga and its bright yellow star Capella is high in the eastern sky after dusk

   Taurus extends southward from Auriga

   The bright red star Aldebaran is in Taurus and part of a distinct cluster called the Hyades at the south end of Taurus

   The Pleiades is a small and bright cluster of stars west of the Hyades

   Orion is in the southeastern sky during the evening, east of Taurus, and is a distinct constellation with many bright stars 

Planets

   Mercury is low in the eastern sky before after sunrise until late December and reaches greatest western elongation December 8

   Venus and Mars are not practically visible during December, being too close to the sun’s position

   Jupiter is brightly visible in the southeastern sky in the Gemini constellation and rises during the early evening

   Saturn is visible low in the southwestern sky during early evening in the Pisces constellation and sets near midnight

Moon Phases 

   Full Moon December 4, 18:14 EST

   Last Quarter December 11, 15:52 EST

   New Moon December 19, 20:43 EST

   First Quarter December 20, 14:10 EST

Noteworthy Sky Events

   Geminid meteor shower peak morning of December 14

   Winter solstice December 21

 Sky Resources Online

Some website resources for sky charts, weekly sky events, and more information:

   astrogeo.ca/skylights

   www.heavens-above.com

   www.skyandtelescope.org

   www.skymaps.com

   www.skynews.ca

Monthly Sky Chart for mid-December, mid-evening (courtesy of www.heavens-above.com)