421.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Sun, 13 Aug 2023 at 07:10 EDT (368 days ago) in Cancer

422.

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 (367 days ago) in Pegasus

423.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Tue, 15 Aug 2023 (366 days ago) in Aquarius

424.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 16 Aug 2023 at 05:39 EDT (365 days ago) in Leo

425.

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. Wed, 16 Aug 2023 at 07:54 EDT (365 days ago) in Leo

426.

Comet C/2023 E1 (ATLAS) passes perigee Comet C/2023 E1 (ATLAS) makes its closest approach to the Earth. Thu, 17 Aug 2023 (364 days ago) in Cygnus

427.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Fri, 18 Aug 2023 at 04:41 EDT (363 days ago) in Leo

428.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°56'. Fri, 18 Aug 2023 at 07:26 EDT (363 days ago) in Leo

429.

κ-Cygnid meteor shower 2023 The κ-Cygnid meteor shower reaches its peak. Fri, 18 Aug 2023 (363 days ago) in Draco

430.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°10'. Fri, 18 Aug 2023 at 19:07 EDT (363 days ago) in Virgo

431.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 18 Aug 2023 at 21:17 EDT (363 days ago) in Virgo

432.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Thu, 24 Aug 2023 at 05:57 EDT (357 days ago) in Scorpius

433.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from Antarctica. Thu, 24 Aug 2023 at 09:16 EDT (357 days ago) in Scorpius

434.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from the Contiguous United States, Mexico and Canada. Thu, 24 Aug 2023 at 22:29 EDT (357 days ago) in Scorpius

435.

Asteroid 8 Flora at opposition Asteroid 8 Flora makes closest approach to the Earth. Sat, 26 Aug 2023 at 17:34 EDT (355 days ago) in Aquarius

436.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Sun, 27 Aug 2023 at 04:20 EDT (354 days ago) in Aquarius

437.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Mon, 28 Aug 2023 at 22:11 EDT (353 days ago) in Aries

438.

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, 29 Aug 2023 at 04:36 EDT (352 days ago) in Capricornus

439.

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, 30 Aug 2023 at 11:54 EDT (351 days ago) in Aquarius

440.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°29'. Wed, 30 Aug 2023 at 14:07 EDT (351 days ago) in Aquarius