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2
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Mercury 0.59° NNE of Regulus (19° from Sun, evening sky) at 23h UT. Mags. -0.4 and +1.3.
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4
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Moon at apogee (farthest from Earth) at 1h UT (distance 406,028 km; angular size 29.6').
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6
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Penumbral Eclipse of the Moon from 23:04 to 2:14 UT, mid-eclipse at 0:40 UT. Too slight to detect visually.
• Lunar Eclipses for Beginners (Mr Eclipse)
• Penumbral Lunar Eclipse of 2009 August 06 (NASA)
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6
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Full Moon at 0:55 UT.
• Full Moon Names (Wikipedia)
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6
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Moon near Jupiter (midnight sky) at 19h UT.
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12
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Perseid meteor shower peaks around 17h to 20h UT. An earlier peak at 9h UT is also predicted. Active from July 17 to August 24. Produces swift, bright meteors (50 to 100 per hour) many with persistent trains. Badly affected by moonlight this year but still worth observing. Skywatchers in North America should observe in the pre-dawn hours of August 12.
• Observing Meteors (Society for Popular Astronomy)
• Perseids (Gary Kronk)
• Meteor Shower Calendar 2009 (IMO)
• The Perseids are Coming (NASA)
• Perseid Meteors by Moonlight (Sky & Telescope)
• Twitter Meteorwatch (Newbury AS)
• The Perseids Meteor Shower (podcast) (365 Days of Astronomy)
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13
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Last Quarter Moon at 18:55 UT.
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14
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Moon very near the Pleiades (morning sky) at 10h UT. Occultation visible fron North America.
• Occultations of the Pleiades (IOTA)
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14
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Jupiter at opposition at 18h UT (mag. -2.9). This is the best time to observe the largest planet in the solar system. A small telescope will reveal Jupiter's four largest moons and major cloud bands.
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16
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Moon near Mars (morning sky) at 3h UT. Mag. +1.0.
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17
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Mercury 2.9° SSW of Saturn (26° from Sun, evening sky) at 6h UT. Mags. +0.1 and +1.1.
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17
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Moon near Venus (morning sky) at 22h UT. Mag. -4.0.
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19
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Moon at perigee (closest to Earth) at 5h UT (359,639 km; 33.2').
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20
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New Moon at 10:02 UT. Start of lunation 1072.
• Lunation Number (Wikipedia)
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22
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Moon near Mercury & Saturn (evening sky) at 9h UT.
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24
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Moon near Spica (evening sky) at 8h UT.
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24
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Mercury at greatest elongation, 20° east from Sun (evening sky) at 16h UT. Mag. +0.3.
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27
|
First Quarter Moon at 11:42 UT.
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27
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Moon very near Antares (evening sky) at 23h UT. Occultation visible from S & E North America, N South America & NW Africa.
• Occultation of Antares (IOTA)
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31
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Moon at apogee (farthest from Earth) at 11h UT (distance 406,269 km; angular size 29.6').
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All times Universal Time (UT). USA Eastern Summer Time = UT - 4 hours.
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