1.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Mon, 26 Oct 2020 (1,300 days ago) in Lepus

2.

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 (1,300 days ago) in Perseus

3.

Asteroid 471 Papagena at opposition Asteroid 471 Papagena makes closest approach to the Earth. Tue, 27 Oct 2020 at 00:46 EDT (1,299 days ago) in Cetus

4.

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 (1,298 days ago) in Cetus

5.

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 (1,297 days ago) in Pisces

6.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 29 Oct 2020 at 14:43 EDT (1,297 days ago) in Pisces

7.

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 (1,296 days ago) in Pisces

8.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Fri, 30 Oct 2020 at 18:14 EDT (1,296 days ago) in Virgo

9.

Blue Moon The Moon reaches full phase and is visible for much of the night. Sat, 31 Oct 2020 at 10:49 EDT (1,295 days ago) in Aries

10.

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 (1,295 days ago) in Aries

11.

Asteroid 8 Flora at opposition Asteroid 8 Flora makes closest approach to the Earth. Sun, 01 Nov 2020 at 09:22 EDT (1,294 days ago) in Cetus

12.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 01 Nov 2020 at 21:44 EDT (1,294 days ago) in Virgo

13.

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 (1,287 days ago) in Cancer

14.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 08 Nov 2020 at 09:35 EDT (1,287 days ago) in Virgo

15.

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 (1,286 days ago) in Orion

16.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 10 Nov 2020 (1,285 days ago) in Virgo

17.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Tue, 10 Nov 2020 at 11:53 EDT (1,285 days ago) in Virgo

18.

Northern Taurid meteor shower 2020 The Northern Taurid meteor shower reaches its peak. Thu, 12 Nov 2020 (1,283 days ago) in Taurus

19.

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 (1,283 days ago) in Virgo

20.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Thu, 12 Nov 2020 at 18:45 EDT (1,283 days ago) in Virgo