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Articles > May 2010

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Sky Calendar -- May 2010

3	Venus 6.4° N of Aldebaran (27° from Sun, evening sky) at 5h UT.
6	Eta Aquarid meteor shower peaks at 0h UT (broad peak). Active from April 19 to May 28. Associated with Comet Halley. Very fast, bright meteors, up to 10-20 per hour. Favors skywatchers in the tropics and southern hemisphere. Unfavorable this year due to bright moonlight. • The Eta Aquarids (Gary Kronk) • Meteor Shower Calendar (IMO) • Meteor Shower Calendar 2010 (PDF) (IMO)
6	Last Quarter Moon at 4:15 UT.
6	Moon at apogee (farthest from Earth) at 22h UT (distance 404,235 km; angular size 29.3').
9	Moon near Jupiter (53° from Sun, morning sky) at 12h UT. Mag. -2.2.
12	Moon near Mercury (19° from Sun, morning sky) at 12h UT.
14	New Moon at 1:04 UT. Start of lunation 1081. • Lunation Number (Wikipedia)
15	Moon near Aldebaran (16° from Sun, evening sky) at 7h UT.
16	Moon very near Venus (30° from Sun, evening sky) at 12h UT. Mag. -4.0. Occultation visible from northern Africa, Middle East, and southern Asia. Spectacular! • Occultation of Venus (IOTA)
18	Moon near Pollux (evening sky) at 8h UT.
19	Moon near Beehive cluster (M44) (evening sky) at 8h UT.
20	Moon near Mars (evening sky) at 7h UT. Mag. +1.0.
20	Moon at perigee (closest to Earth) at 9h UT (369,732 km; 32.1').
20	First Quarter Moon at 23:43 UT.
21	Moon near Regulus (evening sky) at 0h UT.
22	Moon near Saturn (evening sky) at 23h UT. Mag. +1.0.
24	Moon near Spica (evening sky) at 21h UT.
26	Mercury at greatest elongation, 25° west from Sun (morning sky) at 2h UT. Mag. +0.6.
27	Full Moon at 23:07 UT. • Full Moon Names (Wikipedia)
28	Moon near Antares (midnight sky) at 3h UT.
All times Universal Time (UT). USA Eastern Summer Time = UT - 4 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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