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  Sky Calendar -- April 2011
April is Global Astronomy Month http://www.gam-awb.org/
2 Moon at apogee (farthest from Earth) at 9h UT (distance 406,656 km; angular size 29.4').
3 New Moon at 14:33 UT. Start of lunation 1092.
Lunation Number (Wikipedia)
4 Saturn at opposition (opposite the Sun) at 0h UT. Visible all night long, the ringed planet is at its brightest (mag. +0.6) and closest all year (disk diameter 19.4"). Saturn's rings appear magnificent even in a small telescope.
Opposition (Wikipedia)
6 Jupiter at conjunction with the Sun at 15h UT. Passes into the morning sky (not visible).
7 Moon near the Pleiades at 11h UT (evening sky).
Pleiades (star cluster) (Wikipedia)
8 Moon near Aldebaran (evening sky) at 7h UT.
9 Mercury at inferior conjunction with the Sun at 20h UT. Mercury passes into the morning sky.
11 First Quarter Moon at 12:06 UT.
11 Moon near Pollux (evening sky) at 15h UT.
12 Moon near Beehive cluster (evening sky) at 17h UT.
14 Moon near Regulus (evening sky) at 5h UT.
17 Moon near Saturn (evening sky) at 3h UT. Mag. +0.4.
17 Moon at perigee (closest to Earth) at 6h UT (358,090 km; 33.4').
17 Moon near Spica (midnight sky) at 22h UT.
18 Full Moon at 2:44 UT.
Full Moon Names (Wikipedia)
21 Moon near Antares (morning sky) at 0h UT.
22 Lyrid meteor shower peaks at 23h UT. Active April 16-25. Radiant is between Hercules and Lyra. Expect 10 to 20 bright, fast meteors per hour at its peak.
The Lyrids (Gary Kronk)
Meteor Shower Calendar (IMO)
23 Venus 0.85° SSE from Uranus (30° from Sun, morning sky) at 2h UT. Mags. -3.9 and +5.9.
25 Last Quarter Moon at 2:47 UT.
29 Moon at apogee (farthest from Earth) at 18h UT (distance 406,039 km; angular size 29.4').
30 Moon near Venus (28° from Sun, morning sky) at 18h UT. Mag. -3.9.
All times Universal Time (UT). USA Eastern Daylight Time = UT - 4 hours.

Clear skies till next month!

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