621.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sun, 25 Oct 2020 at 14:19 EDT (1,344 days ago) in Virgo

622.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Mon, 26 Oct 2020 (1,343 days ago) in Lepus

623.

The Perseus Double Cluster is well placed The Perseus Double Cluster (NGC 869 and NGC 884; combined mag 4.3) culminates at around midnight local time. Mon, 26 Oct 2020 (1,343 days ago) in Perseus

624.

Asteroid 471 Papagena at opposition Asteroid 471 Papagena makes closest approach to the Earth. Tue, 27 Oct 2020 at 00:46 EDT (1,342 days ago) in Cetus

625.

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. Wed, 28 Oct 2020 at 15:38 EDT (1,341 days ago) in Cetus

626.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°58'. Thu, 29 Oct 2020 at 12:16 EDT (1,340 days ago) in Pisces

627.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 29 Oct 2020 at 14:43 EDT (1,340 days ago) in Pisces

628.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Fri, 30 Oct 2020 at 14:45 EDT (1,339 days ago) in Pisces

629.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Fri, 30 Oct 2020 at 18:14 EDT (1,339 days ago) in Virgo

630.

Blue Moon The Moon reaches full phase and is visible for much of the night. Sat, 31 Oct 2020 at 10:49 EDT (1,338 days ago) in Aries

631.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sat, 31 Oct 2020 at 11:45 EDT (1,338 days ago) in Aries

632.

Asteroid 8 Flora at opposition Asteroid 8 Flora makes closest approach to the Earth. Sun, 01 Nov 2020 at 09:22 EDT (1,337 days ago) in Cetus

633.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 01 Nov 2020 at 21:44 EDT (1,337 days ago) in Virgo

634.

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. Sun, 08 Nov 2020 at 08:46 EDT (1,330 days ago) in Cancer

635.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 08 Nov 2020 at 09:35 EDT (1,330 days ago) in Virgo

636.

Comet C/2020 M3 (ATLAS) reaches peak brightness Comet C/2020 M3 (ATLAS) is forecast to reach the brightest point in its 2020 apparition. Mon, 09 Nov 2020 (1,329 days ago) in Orion

637.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 10 Nov 2020 (1,328 days ago) in Virgo

638.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Tue, 10 Nov 2020 at 11:53 EDT (1,328 days ago) in Virgo

639.

Northern Taurid meteor shower 2020 The Northern Taurid meteor shower reaches its peak. Thu, 12 Nov 2020 (1,326 days ago) in Taurus

640.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°04'. Thu, 12 Nov 2020 at 16:29 EDT (1,326 days ago) in Virgo