321.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 15 Dec 2020 at 21:27 EDT (1,250 days ago) in Ophiuchus

322.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Tue, 15 Dec 2020 (1,250 days ago) in Orion

323.

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. Tue, 15 Dec 2020 (1,250 days ago) in Orion

324.

Comae Berenicid meteor shower 2020 The Comae Berenicid meteor shower reaches its peak. Tue, 15 Dec 2020 (1,250 days ago) in Leo

325.

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. Tue, 15 Dec 2020 at 09:03 EDT (1,250 days ago) in Sagittarius

326.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 14 Dec 2020 at 11:17 EDT (1,251 days ago) in Ophiuchus

327.

Total solar eclipse There will be an eclipse of the Sun, visible from Argentina and Chile. Mon, 14 Dec 2020 at 11:14 EDT (1,251 days ago) in Ophiuchus

328.

Geminid meteor shower 2020 The Geminid meteor shower reaches its peak. Sun, 13 Dec 2020 (1,251 days ago) in Gemini

329.

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. Sat, 12 Dec 2020 (1,253 days ago) in Dorado

330.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including the Contiguous United States, Canada, Alaska and Mexico amongst others. Sat, 12 Dec 2020 at 16:06 EDT (1,253 days ago) in Libra

331.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 12 Dec 2020 at 16:06 EDT (1,253 days ago) in Libra

332.

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, 12 Dec 2020 at 15:42 EDT (1,253 days ago) in Libra

333.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 47'. Sat, 12 Dec 2020 at 15:40 EDT (1,253 days ago) in Libra

334.

σ-Hydrid meteor shower 2020 The σ-Hydrid meteor shower reaches its peak. Fri, 11 Dec 2020 (1,254 days ago) in Hydra

335.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,254 days ago) in Scorpius

336.

Asteroid 79 Eurynome at opposition Asteroid 79 Eurynome makes closest approach to the Earth. Fri, 11 Dec 2020 at 06:58 EDT (1,254 days ago) in Orion

337.

Monocerotid meteor shower 2020 The Monocerotid meteor shower reaches its peak. Tue, 08 Dec 2020 (1,257 days ago) in Monoceros

338.

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. Mon, 07 Dec 2020 at 19:37 EDT (1,258 days ago) in Leo

339.

Asteroid 16 Psyche at opposition Asteroid 16 Psyche makes closest approach to the Earth. Mon, 07 Dec 2020 at 06:58 EDT (1,258 days ago) in Taurus

340.

Puppid-Velid meteor shower 2020 The Puppid-Velid meteor shower reaches its peak. Sun, 06 Dec 2020 (1,259 days ago) in Vela