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4
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Moon at apogee (furthest from Earth) at 22h UT (distance 406,632 km; angular size 29.4').
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5
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New Moon at 3:05 UT. Beginning of lunation 1022.
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5
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Mercury at inferior conjunction with the Sun at 23h UT. The planet passes into the morning sky. Not visible.
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8
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Moon very near Venus at 5h UT (34° from Sun, evening sky). Occultation visible from Alaska. Venus mag. -4.0.
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10
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Moon very near Jupiter at 7h UT (57° from Sun, evening sky). Occultation visible from Antarctica. Jupiter at mag. -1.8.
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11
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Moon near Spica at 1h UT (evening sky).
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12
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Perseid meteor shower peaks at 17h 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. No special equipment is required to observe the meteor shower, just a dark observing site. Astronomers also predict an extra peak this year at 9h UT on August 12.
This peak occurs during pre-dawn hours for skywatchers in North America.
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13
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First Quarter Moon at 2:38 UT.
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14
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Moon very near Antares at 13h UT (evening sky). Occultation across southeast Asia and northern Australia.
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19
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Moon at perigee (closest to Earth) at 6h UT (distance 357,392 km; size 33.5').
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19
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Full Moon at 17:53 UT. The full Moon of August is called the "Green Corn Moon" or "Grain Moon".
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23
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Mercury at greatest elongation, 18° west from the Sun (morning sky) at 23h UT. Mercury (mag. +0.2) very low in the east-northeast.
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25
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Moon near Mars at 3h UT (morning sky). Mars at mag. -0.9.
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26
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Moon near the Pleiades at at 8h UT (93° from Sun, morning sky).
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26
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Last Quarter Moon at 15:18 UT.
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31
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Moon near Saturn at 19h UT (33° from Sun, morning sky). Saturn at mag. +0.3.
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All times Universal Time (UT). (USA Eastern Summer Time = UT - 4 hours)
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