1
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Moon near Venus at 13h UT (19° from Sun, evening sky).
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1
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Moon at perigee (closest to Earth) at 23h UT (distance 361,750 km; size 33.0').
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3
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Quadrantid Meteor Shower peaks at 16:20 UT. Produces medium-speed meteors (up to 100 per hour). Radiant in the constellation Bootes. Parent comet is unknown.
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4
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Earth at Perihelion (closest to Sun) at 16h UT. The Sun-Earth distance is 0.983327 a.u. or about 147.1 million kilometers.
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6
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First Quarter Moon at 18:56 UT.
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8
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Moon near Mars at 19h UT (evening sky). Mag. -0.4.
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10
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Moon very near the Pleiades at 2h UT (evening sky). Occultation visible from North America and northern parts of South America.
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13
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Venus at inferior conjunction with the Sun at 24h UT. The planet passes into the morning sky.
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14
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Moon near Pollux at 8h UT (midnight sky).
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14
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Full Moon at 9:48 UT. The full Moon of January is called the "Old Moon" or the "Moon After Yule" in North American folklore.
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15
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Moon near Saturn at 16h UT (morning sky). Mag. -0.2.
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17
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Moon at apogee (farthest from Earth) at 19h UT (distance 405,885 km; angular size 29.4').
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17
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Moon near Regulus at 10h UT (morning sky).
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21
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Moon very near Spica at 21h UT (morning sky). Occultation visible from Asia and Indonesia.
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22
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Last Quarter Moon at 15:14 UT.
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23
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Moon near Jupiter at 17h UT (morning sky). Mag. -1.9.
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25
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Moon very near Antares at 10h UT (morning sky). Occultation visible from southern Mexico, Peru, and Ecuador.
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27
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Saturn at opposition (opposite the Sun) at 23h UT. Visible all night long, the ringed planet is at its brightest (mag. -0.2) and closest (disk diameter 20.5") all year. Saturn's rings appear magnificent even in a small telescope.
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29
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New Moon at 14:15 UT. Beginning of lunation 1028.
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30
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Moon at perigee (closest to Earth) at 8h UT (distance 357,778 km; size 33.4').
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All times Universal Time (UT). USA Eastern Standard Time = UT - 5 hours.
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