321.

Asteroid 29 Amphitrite at opposition Asteroid 29 Amphitrite makes closest approach to the Earth. Mon, 22 Feb 2021 at 09:22 EDT (1,173 days ago) in Leo

322.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 26 Feb 2021 (1,169 days ago) in Capricornus

323.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 27 Feb 2021 at 03:17 EDT (1,168 days ago) in Leo

324.

Comet C/2021 D1 (SWAN) passes perihelion Comet C/2021 D1 (SWAN) makes its closest approach to the Sun. Sat, 27 Feb 2021 (1,168 days ago) in Pegasus

325.

The cluster IC 2581 is well placed The open star cluster IC 2581 (mag 4.0) in Carina culminates at around midnight local time. Sat, 27 Feb 2021 (1,168 days ago) in Carina

326.

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. Sun, 28 Feb 2021 at 22:57 EDT (1,167 days ago) in Virgo

327.

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. Tue, 02 Mar 2021 at 00:17 EDT (1,165 days ago) in Virgo

328.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,165 days ago) in Aquarius

329.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 02 Mar 2021 at 09:18 EDT (1,165 days ago) in Capricornus

330.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Wed, 03 Mar 2021 at 16:34 EDT (1,164 days ago) in Leo

331.

The Theta Carinae cluster is well placed The Theta Carinae open star cluster (IC 2602, also known as the Southern Pleiades; mag 1.9) culminates at around midnight local time. Wed, 03 Mar 2021 (1,164 days ago) in Carina

332.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Sub-Saharan Africa and Brazil. Thu, 04 Mar 2021 at 23:37 EDT (1,162 days ago) in Scorpius

333.

Close approach of Jupiter and Mercury Jupiter and Mercury pass within 19' of each other. Fri, 05 Mar 2021 at 00:54 EDT (1,162 days ago) in Capricornus

334.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 19'. Fri, 05 Mar 2021 at 01:45 EDT (1,162 days ago) in Capricornus

335.

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. Fri, 05 Mar 2021 at 20:30 EDT (1,162 days ago) in Ophiuchus

336.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 06 Mar 2021 at 04:58 EDT (1,161 days ago) in Capricornus

337.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Kazakhstan. Sun, 07 Mar 2021 at 19:49 EDT (1,160 days ago) in Sagittarius

338.

The Wishing Well cluster is well placed The Wishing Well open star cluster (NGC 3532; mag 3.0) in Carina culminates at around midnight local time. Mon, 08 Mar 2021 (1,159 days ago) in Carina

339.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°40'. Tue, 09 Mar 2021 at 17:58 EDT (1,158 days ago) in Capricornus

340.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 09 Mar 2021 at 19:24 EDT (1,158 days ago) in Capricornus