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1
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Beginning of the second decade of the third millennium.
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1
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Moon near Antares (30° from Sun, morning sky) at 20h UT.
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2
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Moon near Mercury (21° from Sun, morning sky) at 16h UT.
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3
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Earth at Perihelion (closest to Sun) at 19h UT. The Sun-Earth distance is 0.983341 a.u. or 147.1 million kilometers.
• Sun at Aphelion and Perihelion (Anthony Ayiomamitis)
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4
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Quadrantid Meteor Shower peaks at 1h UT. Active between 1-10 January. Produces up to 120 meteors per hour. Radiant is in northern Bootes. Low moonlight makes for very favorable viewing conditions this year.
• The Quadrantids (Gary Kronk)
• The Quadrantids (IMO)
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4
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New Moon at 9:03 UT. Start of lunation 1089.
• Lunation Number (Wikipedia)
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4
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Partial Eclipse of the Sun at 8:51 UT. Visible from much of Europe, North Africa and central Asia. Eclipse begins at 06:40, ends at 11:01 UT. WARNING: NEVER LOOK AT THE SUN -- it will instantly damage your eyes! Instead, use a pinhole in a card to project the Sun's image onto a surface.
• Partial Solar Eclipse of 2011 January 04 (NASA)
• Observing Solar Eclipses Safely (Mr Eclipse)
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8
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Venus at greatest elongation, 47° west from Sun (morning sky) at 16h UT. Mag. -4.4.
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9
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Mercury at greatest elongation, 23° west of Sun (morning sky) at 14h UT. Mag -0.2.
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10
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Moon at apogee (farthest from Earth) at 6h UT (distance 404,977 km; angular size 29.5').
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10
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Moon near Jupiter at 11h UT. Mag. -2.3.
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12
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First Quarter Moon at 11:32 UT.
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15
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Moon near the Pleiades at 14h UT (evening sky).
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16
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Moon near Aldebaran (evening sky) at 8h UT.
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19
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Full Moon at 21:22 UT.
• Full Moon Names (Wikipedia)
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20
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Moon near Beehive cluster M44 (midnight sky) at 9h UT.
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21
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Moon near Regulus (morning sky) at 23h UT.
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22
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Moon at perigee (closest to Earth) at 0h UT (362,792 km; 32.9').
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25
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Moon near Saturn (morning sky) at 4h UT. Mag. +0.7.
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25
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Moon near Spica (morning sky) at 18h UT.
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26
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Last Quarter Moon at 12:58 UT.
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29
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Moon near Antares (morning sky) at 0h UT.
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30
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Moon near Venus at 3h UT (morning sky).
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All times Universal Time (UT). USA Eastern Standard Time = UT - 5 hours.
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