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  Sky Calendar -- July 2008
1 Mars 0.67° from Regulus at 15h UT (50° from Sun, evening sky). Mags. +1.6 and +1.3. Closest a planet gets to a Mag. 1 star all year.
1 Mercury at greatest elongation, 22° west from Sun (morning sky) at 18h UT. Mag. +0.5. Look low in the east-northeast about 30 minutes before sunrise.
1 Moon at perigee (closest to Earth) at 21h UT (359,513 km; 33.2').
3 New Moon at 2:19 UT. Start of lunation 1058.
4 Earth at Aphelion (farthest from Sun) at 8h UT. The Sun-Earth distance is 1.01675 a.u. or about 152.1 million km.
Photographic Size Comparison (Anthony Ayiomamitis)
4 Moon near Beehive cluster (M44) at 21h UT (24° from Sun, evening sky).
Messier 44 (Wikipedia)
6 Moon near Regulus at 11h UT (evening sky).
6 Moon near Mars at 16h UT (evening sky). Mag. +1.7.
6 Moon near Saturn at 20h UT (evening sky). Mag. +0.8.
9 Jupiter at opposition at 8h UT (mag. -2.7). The best time to observe the largest planet in the solar system.
10 First Quarter Moon at 4:35 UT.
10 Moon near Spica at 16h UT (evening sky).
10 Mars 0.64° from Saturn at 16h UT (47° from Sun, evening sky). Mags. +1.7 and +0.8.
14 Moon at apogee (farthest from Earth) at 4h UT (distance 405,452 km; angular size 29.5').
14 Moon very near Antares at 12h UT (evening sky). Occultation visible from Southern Australia and New Zealand.
Occultation of Antares (IOTA)
17 Moon near Jupiter at 14h UT (midnight sky). Mag. -2.7.
18 Full Moon at 7:59 UT. The full Moon of July is called the "Thunder Moon" or "Hay Moon".
Full Moon Names (Wikipedia)
25 Last Quarter Moon at 18:42 UT.
27 Moon near the Pleiades at 17h UT (morning sky).
The Pleiades (Wikipedia)
29 Mercury at superior conjunction at 20h UT (not visible). Passes into the evening sky.
Superior Conjunction (Wikipedia)
29 Moon at perigee (closest to Earth) at 23h UT (363,883 km; 32.8').
All times Universal Time (UT). USA Eastern Summer Time = UT - 4 hours.

Clear skies till next month!

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