401.

December φ-Cassiopeid meteor shower 2021 The December φ-Cassiopeid meteor shower reaches its peak. Mon, 06 Dec 2021 (886 days ago) in Andromeda

402.

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 Papua New Guinea, Indonesia, Australia and Solomon Islands amongst others. Mon, 06 Dec 2021 at 02:42 EDT (886 days ago) in Sagittarius

403.

Venus at highest altitude in evening sky Venus is bright and well placed in the evening sky. Mon, 06 Dec 2021 (886 days ago) in Ophiuchus

404.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°52'. Mon, 06 Dec 2021 at 19:49 EDT (886 days ago) in Sagittarius

405.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 06 Dec 2021 at 20:08 EDT (886 days ago) in Sagittarius

406.

Puppid-Velid meteor shower 2021 The Puppid-Velid meteor shower reaches its peak. Tue, 07 Dec 2021 (885 days ago) in Vela

407.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 07 Dec 2021 at 11:09 EDT (885 days ago) in Sagittarius

408.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°11'. Tue, 07 Dec 2021 at 20:49 EDT (885 days ago) in Capricornus

409.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 07 Dec 2021 at 22:28 EDT (885 days ago) in Capricornus

410.

Monocerotid meteor shower 2021 The Monocerotid meteor shower reaches its peak. Wed, 08 Dec 2021 (883 days ago) in Monoceros

411.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°28'. Thu, 09 Dec 2021 at 01:10 EDT (883 days ago) in Capricornus

412.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 09 Dec 2021 at 03:49 EDT (883 days ago) in Capricornus

413.

Asteroid 44 Nysa at opposition Asteroid 44 Nysa makes closest approach to the Earth. Fri, 10 Dec 2021 at 04:34 EDT (882 days ago) in Taurus

414.

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. Fri, 10 Dec 2021 at 20:36 EDT (882 days ago) in Aquarius

415.

σ-Hydrid meteor shower 2021 The σ-Hydrid meteor shower reaches its peak. Sat, 11 Dec 2021 (880 days ago) in Hydra

416.

Comet C/2021 A1 (Leonard) passes perigee Comet C/2021 A1 (Leonard) makes its closest approach to the Earth. Sun, 12 Dec 2021 (880 days ago) in Ophiuchus

417.

The Large Magellanic Cloud is well placed The Milky Way's dwarf companion, the Large Magellanic Cloud (LMC; mag 0.9), in Dorado culminates at around midnight local time. Sun, 12 Dec 2021 (880 days ago) in Dorado

418.

Conjunction of Venus and Pluto Venus and Pluto share the same right ascension, at a separation of 20'. Mon, 13 Dec 2021 at 01:48 EDT (879 days ago) in Sagittarius

419.

Geminid meteor shower 2021 The Geminid meteor shower reaches its peak. Tue, 14 Dec 2021 (878 days ago) in Gemini

420.

The Running Man cluster is well placed The Running Man cluster NGC 1977 (mag 4.2) in Orion's sword culminates at around midnight local time. Wed, 15 Dec 2021 (877 days ago) in Orion