421.

Perseid meteor shower 2023 The Perseid meteor shower reaches its peak. Sun, 13 Aug 2023 (322 days ago) in Perseus

422.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Thu, 10 Aug 2023 at 14:39 EDT (325 days ago) in Leo

423.

Asteroid 10 Hygiea at opposition Asteroid 10 Hygiea makes closest approach to the Earth. Thu, 10 Aug 2023 at 05:34 EDT (325 days ago) in Aquarius

424.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 09 Aug 2023 at 16:30 EDT (326 days ago) in Leo

425.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Wed, 09 Aug 2023 at 09:52 EDT (326 days ago) in Taurus

426.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 09 Aug 2023 at 07:19 EDT (326 days ago) in Leo

427.

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 (327 days ago) in Aries

428.

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 (327 days ago) in Aries

429.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 08 Aug 2023 at 03:45 EDT (327 days ago) in Aries

430.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Tue, 08 Aug 2023 at 02:37 EDT (327 days ago) in Leo

431.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 03 Aug 2023 at 08:03 EDT (332 days ago) in Aquarius

432.

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 (332 days ago) in Aquarius

433.

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 (333 days ago) in Capricornus

434.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 01 Aug 2023 at 14:31 EDT (334 days ago) in Capricornus

435.

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 (335 days ago) in Sagittarius

436.

Comet C/2021 T4 (Lemmon) passes perihelion Comet C/2021 T4 (Lemmon) makes its closest approach to the Sun. Mon, 31 Jul 2023 (335 days ago) in Norma

437.

α-Capricornid meteor shower 2023 The α-Capricornid meteor shower reaches its peak. Sun, 30 Jul 2023 (336 days ago) in Capricornus

438.

Southern δ-Aquariid meteor shower 2023 The Southern δ-Aquariid meteor shower reaches its peak. Sun, 30 Jul 2023 (336 days ago) in Aquarius

439.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 29 Jul 2023 (337 days ago) in Leo

440.

Piscis Austrinid meteor shower 2023 The Piscis Austrinid meteor shower reaches its peak. Sat, 29 Jul 2023 (337 days ago) in Piscis Austrinus