1.

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. Sun, 18 Oct 2020 at 17:58 PDT (1,721 days ago) in Libra

2.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from countries and territories including China, Indonesia, Thailand and Malaysia amongst others. Mon, 19 Oct 2020 at 03:26 PDT (1,720 days ago) in Scorpius

3.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 20 Oct 2020 at 00:11 PDT (1,719 days ago) in Bootes

4.

Comet C/2020 P1 (NEOWISE) passes perihelion Comet C/2020 P1 (NEOWISE) makes its closest approach to the Sun. Tue, 20 Oct 2020 (1,719 days ago) in Virgo

5.

The Great Conjunction of 2020 In December, Jupiter and Saturn will make their closest approach since the year 1623. Tue, 20 Oct 2020 (1,718 days ago)

6.

Supernova SN2020xtz discovered A new supernova has been discovered in NGC 6574. Tue, 20 Oct 2020 (1,718 days ago)

7.

Orionid meteor shower 2020 The Orionid meteor shower reaches its peak. Tue, 20 Oct 2020 (1,718 days ago) in Orion

8.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°00'. Thu, 22 Oct 2020 at 10:12 PDT (1,717 days ago) in Sagittarius

9.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 22 Oct 2020 at 10:26 PDT (1,717 days ago) in Sagittarius

10.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°35'. Thu, 22 Oct 2020 at 20:42 PDT (1,717 days ago) in Sagittarius

11.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 22 Oct 2020 at 21:13 PDT (1,717 days ago) in Sagittarius

12.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Fri, 23 Oct 2020 at 06:23 PDT (1,716 days ago) in Capricornus

13.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Fri, 23 Oct 2020 at 14:34 PDT (1,716 days ago) in Pisces

14.

Leonis Minorid meteor shower 2020 The Leonis Minorid meteor shower reaches its peak. Fri, 23 Oct 2020 (1,715 days ago) in Leo Minor

15.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Sun, 25 Oct 2020 (1,714 days ago) in Lepus

16.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sun, 25 Oct 2020 at 11:19 PDT (1,714 days ago) in Virgo

17.

Asteroid 471 Papagena at opposition Asteroid 471 Papagena makes closest approach to the Earth. Mon, 26 Oct 2020 at 12:10 PDT (1,713 days ago) in Cetus

18.

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 (1,713 days ago) in Perseus

19.

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 12:38 PDT (1,711 days ago) in Cetus

20.

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 09:16 PDT (1,710 days ago) in Pisces