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7
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Last Quarter Moon at 22:01 UT.
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9
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Moon near the Pleiades at 3h UT (morning sky).
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10
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Mars 0.65° from Regulus at 5h UT (12° from Sun, evening sky). Magnitudes +1.8 and +1.4.
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11
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Moon at apogee (furthest from Earth) at 10h UT (distance 405,292 km; angular size 29.5').
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12
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Perseid meteor shower peaks at 11h UT. The best known of all the meteor showers. Active from July 17 to August 24.
Associated with debris from Comet Swift-Tuttle (109P) which orbits the Sun every 130 years. Produces swift, bright meteors (50 to 100 per hour) many with persistent trains.
Peak activity this year favors the west part of North America and Hawaii. No special equipment is required to observe the shower, just a dark observing site.
Meteor astronomers also predict an extra peak this year at 20:50 UT on August 11th. This peak occurs during daylight hours for skywatchers in North America who are advised to watch in the evening and into the hours after midnight.
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13
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Moon near Saturn at 10h UT (morning sky).
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16
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New Moon at 1:24 UT. Beginning of lunation 1010.
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17
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Venus at greatest elongation, 45.8° west from the Sun (morning sky) at 18h UT.
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18
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Moon near Jupiter at 7h UT (evening sky).
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20
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Moon near Spica at 18h UT (evening sky).
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23
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First Quarter Moon at 10:12 UT.
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23
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Mercury at inferior conjunction at 21h UT (not visible). The planet passes into the morning sky.
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24
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Moon near Antares at 2h UT (evening sky).
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27
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Moon at perigee (closest to Earth) at 6h UT (distance 365,105 km; angular size 33.7').
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30
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Full Moon at 2:22 UT. The full Moon of August is called the "Green Corn Moon" or "Grain Moon".
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31
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Venus 1.9° from Saturn at 20h UT (45° from Sun, morning sky). Magnitudes -4.2 and +0.3.
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All times Universal Time (UT). (USA Eastern Daylight Time = UT 4 hours)
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