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1
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Moon near Saturn (22° from Sun, morning sky) at 8h UT. Mag. +0.6.
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1
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Moon near Mercury (15° from Sun, morning sky) at 23h UT. Mag. -0.7.
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3
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New Moon at 00:21 UT. Start of lunation 1125.
• Lunation Number (Wikipedia)
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4
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Moon at perigee (closest to Earth) at 10h UT (360,067 km; angular size 33.2').
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5
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Moon near Venus (40° from Sun, evening sky) at 22h UT. Mag. -4.7.
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9
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First Quarter Moon at 15:12 UT.
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10
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Venus brightest at 2h UT. Mag. -4.7.
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14
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Geminid Meteor Shower peaks at 6h UT. Most active for 21 hours from 13h UT Dec 13. Produces bright, medium-speed meteors at its peak (up to 80 meteors/hour). Major meteor shower. Easy to observe (radiant shown on sky map).
Best seen after midnight. Moonlight makes viewing conditions less than ideal this year.
• Observing the Geminids (Gary Kronk)
• Meteor Shower Calendar (IMO)
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15
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Moon near the Pleiades (evening sky) at 5h UT.
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16
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Moon near Aldebaran (evening sky) at 2h UT.
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17
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Full Moon at 9:28 UT.
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19
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Moon near Jupiter (morning sky) at 4h UT. Mag. -2.7.
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20
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Moon at apogee (farthest from Earth) at 0h UT (distance 406,269 km; angular size 29.4').
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20
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Moon near Beehive Cluster (morning sky) at 23h UT.
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21
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December solstice at 17:11 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)
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22
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Moon near Regulus (morning sky) at 21h UT.
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25
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Last Quarter Moon at 13:49 UT.
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26
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Moon near Mars (morning sky) at 0h UT. Mag. +0.9.
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27
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Moon very near Spica (morning sky) at 2h UT. Occultation visible from NW Asia and Scandinavia.
• Occultation of Spica (US Naval Observatory)
• Occultation of Spica (IOTA)
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29
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Moon near Saturn (47° from Sun, morning sky) at 0h UT. Mag. +0.6.
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30
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Moon near Antares (morning sky) at 8h UT.
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All times Universal Time (UT). USA Eastern Standard Time = UT - 5 hours.
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