281.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,176 days ago) in Aquarius

282.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 02 Mar 2021 at 09:18 EDT (1,176 days ago) in Capricornus

283.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Wed, 03 Mar 2021 at 16:34 EDT (1,175 days ago) in Leo

284.

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 (1,175 days ago) in Carina

285.

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 (1,173 days ago) in Scorpius

286.

Close approach of Jupiter and Mercury Jupiter and Mercury pass within 19' of each other. Fri, 05 Mar 2021 at 00:54 EDT (1,173 days ago) in Capricornus

287.

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 (1,173 days ago) in Capricornus

288.

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 (1,173 days ago) in Ophiuchus

289.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 06 Mar 2021 at 04:58 EDT (1,172 days ago) in Capricornus

290.

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 (1,171 days ago) in Sagittarius

291.

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 (1,170 days ago) in Carina

292.

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 (1,169 days ago) in Capricornus

293.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 09 Mar 2021 at 19:24 EDT (1,169 days ago) in Capricornus

294.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°02'. Wed, 10 Mar 2021 at 10:37 EDT (1,168 days ago) in Capricornus

295.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 10 Mar 2021 at 18:52 EDT (1,168 days ago) in Aquarius

296.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°41'. Wed, 10 Mar 2021 at 20:02 EDT (1,168 days ago) in Capricornus

297.

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. Wed, 10 Mar 2021 at 21:01 EDT (1,168 days ago) in Capricornus

298.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 13 Mar 2021 at 05:22 EDT (1,165 days ago) in Aquarius

299.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 13 Mar 2021 at 20:57 EDT (1,165 days ago) in Aquarius

300.

γ-Normid meteor shower 2021 The γ-Normid meteor shower reaches its peak. Sun, 14 Mar 2021 (1,164 days ago) in Norma