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1
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Moon at perigee (closest to Earth) at 22:53 UT (distance 358,033 km; angular size 33.4'). 20 hours before New Moon.
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2
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New Moon at 18:35 UT. Start of lunation 1225.
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3
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Quadrantid Meteor Shower peaks at 21h UT. Active between December 28 and January 12. Produces up to 120 meteors per hour. Radiant is in northern Boötes.
• Meteor Shower Calendar (IMO)
• Quadrantids (Wikipedia)
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4
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Moon near Mercury at 3h UT (19° from Sun, evening sky). Mag. −0.7.
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4
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Earth at Perihelion (closest to Sun) at 7h UT. The Sun- Earth distance is 0.983337 a.u. or 147.1 million kilometers.
• Sun at Aphelion and Perihelion (Anthony Ayiomamitis)
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4
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Moon near Saturn at 19h UT (evening sky). Mag. 0.7.
• Saturn (Wikipedia)
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6
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Moon near Jupiter at 4h UT (evening sky). Mag. −2.1.
• Jupiter (Wikipedia)
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7
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Moon shows maximum libration for the year (9.9°) at 5h UT.
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7
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Mercury at greatest elongation east at 11h UT (19° from Sun, evening sky). Mag. −0.6
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9
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Venus at inferior conjunction with the Sun at 1h UT. The brightest planet passes into the morning sky.
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9
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First Quarter Moon at 18:12 UT.
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13
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Moon near the Pleiades at 5h UT (evening sky).
• The Pleiades (Wikipedia)
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13
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Moon near Aldebaran at 23h UT (evening sky).
• Aldebaran (Wikipedia)
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14
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Moon at apogee (farthest from Earth) at 9h UT (distance 405,805 km; angular size 29.4').
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17
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Moon near Castor at 11h UT (evening sky).
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17
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Moon near Pollux at 16h UT (evening sky).
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17
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Full Moon at 23:50 UT.
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18
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Moon near Beehive cluster M44 at 20h UT (morning sky).
• Beehive Cluster (Wikipedia)
• M44: The Beehive Cluster (APOD)
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20
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Moon near Regulus at 15h UT (morning sky).
• Regulus (Wikipedia)
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23
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Mercury at inferior conjunction with the Sun at 10h UT. Mercury passes into the morning sky.
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24
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Moon near Spica at 19h UT (morning sky).
• Spica (Wikipedia)
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25
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Last Quarter Moon at 13:42 UT.
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28
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Moon near Antares at 2h UT (morning sky).
• Antares (Wikipedia)
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29
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Moon near Mars at 16h UT (36° from Sun, morning sky). Mag. 1.4.
• Mars (Wikipedia)
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30
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Moon at perigee (closest to Earth) at 7:09 UT (distance 362,252km; angular size 33.0').
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31
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Moon near Mercury at 3h UT (16° from Sun, morning sky). Mag. 1.5.
• Mercury (Wikipedia)
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All times Universal Time (UT).
- US Eastern Standard Time = UT − 5 hours.
- US Pacific Standard Time = UT − 8 hours.
- Australian Eastern Daylight Time = UT + 11 hours
- Singapore Standard Time = UT + 8 hours.
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