December 2016 Sky
|1||Moon near Mercury (18° from Sun, evening sky) at 5h UT. Mag. -0.5.|
|3||Moon near Venus (44° from Sun, evening sky) at 11h UT. Mag. -4.2.
• Crescent Moon and Venus (APOD)
|5||Moon near Mars (66° from Sun) at 9h UT. Mag. +0.7.|
|7||First Quarter Moon at 9:03 UT.|
|11||Mercury at greatest elongation east (21° from Sun, evening sky) at 4h UT. Mag. -0.4.|
|12||Moon near the Pleiades (evening sky) at 13h UT.
• The Pleiades (Wikipedia)
|12||Moon at perigee (closest to Earth) at 23:27 UT (358,461 km; angular size 33.3′).|
|13||Moon very near Aldebaran (evening sky) at 3h UT. Occultation visible from USA, Mexico and Canada.
• Occultation of Aldebaran (IOTA)
|14||Full Moon at 00:06 UT.|
|14||Geminid Meteor Shower peaks at 17h UT. Major activity lasts 22 hours. Produces bright, medium-speed meteors at its peak (up to 80 meteors/hour). Most reliable meteor shower. Easy to observe (radiant shown on sky map). Best seen after midnight, but moonlight interferes badly in 2016.
• Observing the Geminids (Gary Kronk)
• Meteor Shower Calendar (IMO)
|15||Moon near Castor (morning sky) at 23h UT.|
|16||Moon near Pollux (morning sky) at 3h UT.|
|17||Moon near Beehive cluster (morning sky) at 3h UT.
• Beehive Cluster (Wikipedia)
• M44: The Beehive Cluster (APOD)
|18||Moon very near Regulus (morning sky) at 17h UT. Occultation visible from southwest Australia.
• Occultation of Regulus (IOTA)
|21||Last Quarter Moon at 1:56 UT.|
|21||December solstice at 10:44 UT. The time when the Sun reaches the point farthest south of the celestial equator marking the start of winter in the Northern Hemisphere and summer in the Southern Hemisphere.
• December Solstice (Wikipedia)
|22||Moon near Jupiter (morning sky) at 18h UT. Mag. -1.9.|
|23||Moon near Spica (morning sky) at 2h UT.|
|25||Moon at apogee (farthest from Earth) at 6h UT (distance 405,870 km; angular size 29.4′).|
|27||Moon near Saturn (16° from Sun, morning sky) at 21h UT. Mag. +0.5.|
|28||Mercury at inferior conjunction with the Sun at 19h UT. Mercury passes into the morning sky.|
|29||New Moon at 6:53 UT. Start of lunation 1163.
• Lunation Number (Wikipedia)
|December 2016 Sky All times Universal Time (UT). USA Eastern Summer Time = UT – 4 hours.|