381.

Comet 4P/Faye passes perihelion Comet 4P/Faye makes its closest approach to the Sun. Thu, 09 Sep 2021 (1,021 days ago) in Taurus

382.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°04'. Thu, 09 Sep 2021 at 22:08 EDT (1,021 days ago) in Virgo

383.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 10 Sep 2021 at 01:17 EDT (1,020 days ago) in Virgo

384.

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. Sat, 11 Sep 2021 at 06:03 EDT (1,019 days ago) in Libra

385.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sat, 11 Sep 2021 at 07:58 EDT (1,019 days ago) in Pisces

386.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Antarctica. Sun, 12 Sep 2021 at 10:20 EDT (1,018 days ago) in Scorpius

387.

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. Mon, 13 Sep 2021 at 16:39 EDT (1,017 days ago) in Ophiuchus

388.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 13 Sep 2021 at 17:55 EDT (1,017 days ago) in Virgo

389.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 14 Sep 2021 at 05:12 EDT (1,016 days ago) in Aquarius

390.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Australia, Papua New Guinea, Indonesia and Solomon Islands amongst others. Wed, 15 Sep 2021 at 05:23 EDT (1,015 days ago) in Sagittarius

391.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°45'. Thu, 16 Sep 2021 at 22:33 EDT (1,014 days ago) in Capricornus

392.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 16 Sep 2021 at 23:57 EDT (1,014 days ago) in Capricornus

393.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 17 Sep 2021 at 22:57 EDT (1,013 days ago) in Virgo

394.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°57'. Sat, 18 Sep 2021 at 02:54 EDT (1,012 days ago) in Capricornus

395.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sat, 18 Sep 2021 at 05:07 EDT (1,012 days ago) in Capricornus

396.

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. Sat, 18 Sep 2021 at 12:44 EDT (1,012 days ago) in Aquarius

397.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 20 Sep 2021 at 07:33 EDT (1,010 days ago) in Virgo

398.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 20 Sep 2021 at 19:54 EDT (1,010 days ago) in Pisces

399.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Wed, 22 Sep 2021 at 15:14 EDT (1,008 days ago) in Virgo

400.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Fri, 24 Sep 2021 at 13:08 EDT (1,006 days ago) in Aries