301.

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. Thu, 14 Aug 2025 at 13:58 EDT (483 days away) in Aries

302.

Messier 15 is well placed The globular cluster M15 (NGC 7078; mag 6.3) in Pegasus culminates at around midnight local time. Thu, 14 Aug 2025 (483 days away) in Pegasus

303.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Fri, 15 Aug 2025 (484 days away) in Aquarius

304.

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. Sat, 16 Aug 2025 at 01:12 EDT (485 days away) in Aries

305.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sat, 16 Aug 2025 at 12:33 EDT (485 days away) in Taurus

306.

κ-Cygnid meteor shower 2025 The κ-Cygnid meteor shower reaches its peak. Sun, 17 Aug 2025 (487 days away) in Draco

307.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from Africa and Brazil. Mon, 18 Aug 2025 at 02:59 EDT (487 days away) in Taurus

308.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Tue, 19 Aug 2025 at 08:25 EDT (488 days away) in Cancer

309.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°46'. Tue, 19 Aug 2025 at 17:05 EDT (488 days away) in Gemini

310.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 19 Aug 2025 at 18:23 EDT (488 days away) in Gemini

311.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°52'. Wed, 20 Aug 2025 at 06:52 EDT (489 days away) in Gemini

312.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 21 Aug 2025 at 06:19 EDT (490 days away) in Cancer

313.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Thu, 21 Aug 2025 (490 days away) in Cancer

314.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°42'. Thu, 21 Aug 2025 at 12:16 EDT (490 days away) in Cancer

315.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 23 Aug 2025 at 02:07 EDT (492 days away) in Leo

316.

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. Mon, 25 Aug 2025 at 09:24 EDT (494 days away) in Virgo

317.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Mon, 25 Aug 2025 at 15:10 EDT (494 days away) in Aquarius

318.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 26 Aug 2025 at 09:59 EDT (495 days away) in Virgo

319.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°47'. Tue, 26 Aug 2025 at 12:41 EDT (495 days away) in Virgo

320.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Wed, 27 Aug 2025 at 08:23 EDT (496 days away) in Leo