321.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sun, 11 Aug 2019 at 21:53 EDT (1,724 days ago) in Aries

322.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Sun, 11 Aug 2019 at 22:22 EDT (1,724 days ago) in Aquarius

323.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 11 Aug 2019 (1,723 days ago) in Cancer

324.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2'18". Mon, 12 Aug 2019 at 05:52 EDT (1,723 days ago) in Sagittarius

325.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 12 Aug 2019 at 05:52 EDT (1,723 days ago) in Sagittarius

326.

Lunar occultation of Saturn The Moon will pass in front of Saturn, creating a lunar occultation visible from countries and territories including Australia, Papua New Guinea, New Zealand and Indonesia amongst others. Mon, 12 Aug 2019 at 05:52 EDT (1,723 days ago) in Sagittarius

327.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Mon, 12 Aug 2019 at 09:56 EDT (1,723 days ago) in Cancer

328.

Perseid meteor shower 2019 The Perseid meteor shower reaches its peak. Tue, 13 Aug 2019 (1,722 days ago) in Perseus

329.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Tue, 13 Aug 2019 at 16:19 EDT (1,722 days ago) in Capricornus

330.

Venus at superior solar conjunction Venus passes around the far side of the Sun. Wed, 14 Aug 2019 at 02:36 EDT (1,721 days ago) in Leo

331.

Messier 15 is well placed The globular cluster M15 (NGC 7078; mag 6.3) in Pegasus culminates at around midnight local time. Wed, 14 Aug 2019 (1,721 days ago) in Pegasus

332.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 15 Aug 2019 at 08:29 EDT (1,720 days ago) in Capricornus

333.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Thu, 15 Aug 2019 (1,720 days ago) in Aquarius

334.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 17 Aug 2019 at 06:49 EDT (1,718 days ago) in Aquarius

335.

κ-Cygnid meteor shower 2019 The κ-Cygnid meteor shower reaches its peak. Sun, 18 Aug 2019 (1,717 days ago) in Draco

336.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 20 Aug 2019 at 02:50 EDT (1,715 days ago) in Cancer

337.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Fri, 23 Aug 2019 at 10:56 EDT (1,712 days ago) in Taurus

338.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Sun, 25 Aug 2019 at 23:48 EDT (1,710 days ago) in Leo

339.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Wed, 28 Aug 2019 at 08:12 EDT (1,707 days ago) in Cancer

340.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 28 Aug 2019 at 15:20 EDT (1,707 days ago) in Leo