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Articles > January 2010

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2010 CALENDARS
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Skywatcher's 2010
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Award-winning calendar with monthly star charts and listing daily celestial events. Suitable for beginners.
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The Lunar Year
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Printed with Glow-in-the-Dark ink, each page illuminates the phases of the Moon, while also showcasing extraordinary lunar photographs.
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Sky Calendar -- January 2010

1	Moon near Pollux (morning sky) at 16h UT.
1	Moon at perigee (closest to Earth) at 21h UT (358,682 km; 33.3'). • Full Moon at Apogee and Perigee (Anthony Ayiomamitis)
2	Moon near Beehive cluster (M44) (morning sky) at 16h UT.
3	Earth at Perihelion (closest to Sun) at 0h UT. The Sun-Earth distance is 0.983290 a.u. or 147.1 million kilometers. • Sun at Aphelion and Perihelion (Anthony Ayiomamitis)
3	Moon near Mars (morning sky) at 6h UT. Mag. -0.8.
3	Quadrantid Meteor Shower peaks at 19h UT. Produces up to 100 meteors per hour. Radiant is in Boötes. Bright moonlight this year makes viewing very unfavorable. • The Quadrantids (Gary Kronk) • Meteor Shower Calendar (IMO)
4	Moon near Regulus (morning sky) at 2h UT.
4	Mercury at inferior conjunction with the Sun at 19h UT. Mercury passes into the morning sky.
6	Moon near Saturn (morning sky) at 13h UT. Mag. +0.9.
7	Last Quarter Moon at 10:39 UT.
8	Moon near Spica (morning sky) at 0h UT.
11	Moon near Antares (morning sky) at 14h UT.
11	Venus at superior conjunction with the Sun at 20h UT. Passes into the evening sky (not visible).
15	Annular Solar Eclipse from 5:14 to 8:59 UT, mid-eclipse at 7:06 UT. Eclipse visible along a 300-km wide path from central Africa to east Asia. • Annuar Solar Eclipse of 2010 January 15 (NASA) • Eclipses in 2010 (Sky & Telescope)
15	New Moon at 7:11 UT. Start of lunation 1077. • Lunation Number (Wikipedia)
17	Moon at apogee (farthest from Earth) at 2h UT (distance 406,435 km; angular size 29.4').
18	Moon near Jupiter (evening sky) at 4h UT. Mag. -2.1.
23	First Quarter Moon at 10:53 UT.
25	Moon near the Pleiades (evening sky) at 11h UT.
27	Mercury at greatest elongation, 25° west from Sun (morning sky) at 5h UT. Mag. -0.1.
27	Mars nearest to Earth at 19:02 UT (99.3 million km or 61.7 million miles). Diameter 14.1 arcseconds, mag. -1.3.
29	Mars at opposition at 20h UT. Mag. -1.3. Visible all night. • The Oppositions of Mars (Prof. Seligman)
30	Full Moon at 6:18 UT. • Full Moon Names (Wikipedia)
30	Moon at perigee (closest to Earth) at 9h UT (356,593 km; 33.5').
All times Universal Time (UT). USA Eastern Standard Time = UT - 5 hours.

Clear skies till next month!

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Sky Calendar References:

Astronomical Calendar 2010 (book) by Guy Ottewell
Starry Night Pro Plus v6.3 (software) by Imaginova
Sky & Telescope (magazine) by Sky Publishing
Astronomical Tables of the Sun, Moon and Planets (book) by Jean Meeus
Celestial Delights (book) by Francis Reddy and Greg Walz-Chojnacki

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