581.

Southern δ-Aquariid meteor shower 2023 The Southern δ-Aquariid meteor shower reaches its peak. Sun, 30 Jul 2023 (335 days ago) in Aquarius

582.

α-Capricornid meteor shower 2023 The α-Capricornid meteor shower reaches its peak. Sun, 30 Jul 2023 (335 days ago) in Capricornus

583.

Comet C/2021 T4 (Lemmon) passes perihelion Comet C/2021 T4 (Lemmon) makes its closest approach to the Sun. Mon, 31 Jul 2023 (334 days ago) in Norma

584.

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. Mon, 31 Jul 2023 at 15:26 EDT (334 days ago) in Sagittarius

585.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 01 Aug 2023 at 14:31 EDT (333 days ago) in Capricornus

586.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 02 Aug 2023 at 01:52 EDT (332 days ago) in Capricornus

587.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°28'. Thu, 03 Aug 2023 at 06:25 EDT (331 days ago) in Aquarius

588.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 03 Aug 2023 at 08:03 EDT (331 days ago) in Aquarius

589.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Tue, 08 Aug 2023 at 02:37 EDT (326 days ago) in Leo

590.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 08 Aug 2023 at 03:45 EDT (326 days ago) in Aries

591.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°52'. Tue, 08 Aug 2023 at 05:44 EDT (326 days ago) in Aries

592.

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. Tue, 08 Aug 2023 at 06:28 EDT (326 days ago) in Aries

593.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 09 Aug 2023 at 07:19 EDT (325 days ago) in Leo

594.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Wed, 09 Aug 2023 at 09:52 EDT (325 days ago) in Taurus

595.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 09 Aug 2023 at 16:30 EDT (325 days ago) in Leo

596.

Asteroid 10 Hygiea at opposition Asteroid 10 Hygiea makes closest approach to the Earth. Thu, 10 Aug 2023 at 05:34 EDT (324 days ago) in Aquarius

597.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Thu, 10 Aug 2023 at 14:39 EDT (324 days ago) in Leo

598.

Perseid meteor shower 2023 The Perseid meteor shower reaches its peak. Sun, 13 Aug 2023 (321 days ago) in Perseus

599.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Sun, 13 Aug 2023 at 07:10 EDT (321 days ago) in Cancer

600.

Messier 15 is well placed The globular cluster M15 (NGC 7078; mag 6.3) in Pegasus culminates at around midnight local time. Mon, 14 Aug 2023 (320 days ago) in Pegasus