1
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Full Moon at 18:32 UT. The first of two Full Moons this month.
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2
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Moon at perigee (closest to Earth) at 5:58 UT (distance 357,311km; angular size 33.4'). Only 11.4 hours after Full Moon.
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3
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Moon near Saturn at 13h UT (morning sky). Mag. 0.6.
Saturn (Wikipedia)
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8
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Moon near Jupiter at 9h UT (morning sky). Mag. −2.4.
Jupiter (Wikipedia)
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8
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Last Quarter Moon at 10:29 UT.
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9
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Moon near the Pleiades at 15h UT (morning sky).
The Pleiades (Wikipedia)
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10
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Mercury at greatest elongation east at 2h UT (27° from Sun, evening sky). Mag. 0.4.
Mercury (Wikipedia)
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12
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Moon near M35 star cluster at 4h UT (47° from Sun, morning sky).
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13
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Perseid meteor shower peaks at 7h UT. Peak lasts about 12 hours. Active from July 14 to September 1. Produces swift, bright meteors (50-75 per hour) with persistent trains. Best viewed after midnight. Excellent viewing conditions in 2023.
Perseids (Wikipedia)
2023 Meteor Shower Calendar (PDF) |
13
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Mercury 4.7° WSW of Mars at 8h UT (31° from Sun, evening sky). Mags. 0.5 and 1.8.
Mercury (Wikipedia)
Mars (Wikipedia)
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13
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Venus at inferior conjunction with the Sun at 11h UT. The brightest planet passes into the morning sky.
Venus (Wikipedia)
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13
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Moon near Castor at 17h UT (32° from Sun, morning sky).
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13
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Moon near Pollux at 22h UT (28° from Sun, morning sky).
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16
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New Moon at 9:38 UT. Start of lunation 1245.
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16
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Moon at apogee (farthest from Earth) at 12h UT (distance 406,635km; angular size 29.4').
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18
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Moon near Mercury at 19h UT (evening sky). Mag. 0.8.
Mercury (Wikipedia)
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19
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Moon near Mars at 2h UT (evening sky). Mag. 1.8.
Mars (Wikipedia)
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21
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Moon near Spica at 13h UT (evening sky).
Spica (Wikipedia)
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24
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First Quarter Moon at 9:57 UT.
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25
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Moon near Antares at 3h UT (evening sky). Occultation visible from USA and southern Canada.
Antares (Wikipedia)
Occultation of Antares (IOTA)
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27
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Saturn at opposition (opposite the Sun) at 8h UT. The planet is at its closest and brightest at Mag. 0.4. Saturn's rings are visible even in a small telescope.
Saturn (Wikipedia)
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30
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Moon at perigee (closest to Earth) at 16:00 UT (distance 357,181km; angular size 33.5'). Only 9.6 hours before Full Moon.
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30
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Moon near Saturn at 21h UT (midnight sky). Mag. 0.4.
Saturn (Wikipedia)
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31
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Full Moon at 1:36 UT. A Blue Moon and the closest Supermoon in 2023.
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All times Universal Time (UT).
- US Eastern Daylight Time = UT − 4 hours.
- US Pacific Daylight Time = UT − 7 hours.
- Australian Eastern Standard Time = UT + 10 hours
- Singapore Standard Time = UT + 8 hours.
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