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  Sky Calendar -- July 2011
1 New Moon at 8:53 UT. Start of lunation 1095.
Lunation Number (Wikipedia)
2 Moon near Mercury (20° from Sun, evening sky) at 23h UT.
3 Moon near Beehive cluster (evening sky) at 9h UT.
4 Earth at Aphelion (farthest from Sun) at 15h UT. The Sun- Earth distance is 1.01674 a.u. or about 152.1 million km.
Earth at Aphelion (SpaceWeather.com)
Photographic Size Comparison (Anthony Ayiomamitis)
5 Mars 5.4° N of Aldebaran (33° from Sun, morning sky) at 0h UT. Mags. +1.4 and +0.8.
5 Moon near Regulus (evening sky) at 1h UT.
6 Mercury crossing center of Beehive cluster (23° from Sun, evening sky) at 23h UT. Mag. -0.1.
7 Moon at perigee (closest to Earth) at 14h UT (369,570 km; 32.3').
7 Moon near Saturn (evening sky) at 23h UT. Mag. +0.9.
8 First Quarter Moon at 6:29 UT.
8 Moon near Spica (evening sky) at 22h UT.
12 Neptune completes first orbit since discovery.
12 Moon near Antares (evening sky) at 2h UT.
15 Full Moon at 6:38 UT.
Full Moon Names (Wikipedia)
20 Mercury at greatest elongation, 27° east from Sun (evening sky) at 5h UT. Mag. +0.5.
21 Moon at apogee (farthest from Earth) at 23h UT (distance 404,355 km; angular size 29.6').
23 Last Quarter Moon at 5:03 UT.
23 Moon near Jupiter (morning sky) at 22h UT. Mag. -2.4.
25 Moon near the Pleiades (62° from Sun, morning sky) at 18h UT.
27 Moon near Mars (38° from Sun, morning sky) at 16h UT. Mag. +1.4. Occultation visible from Tahiti.
30 Southern Delta Aquarid meteor shower peaks. Active from July 12 to August 23. Produces medium speed, faint meteors (about 15 to 20 per hour). Best seen from southern latitudes.
The Delta Aquarids (Gary Kronk)
The Delta Aquarids (Southern) (IMO)
30 New Moon at 18:39 UT. Start of lunation 1096.
Lunation Number (Wikipedia)
All times Universal Time (UT). USA Eastern Daylight Time = UT - 4 hours.

Clear skies till next month!

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