1.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.5) in Canis Major culminates at around midnight local time. Thu, 02 Jan 2020 (1,657 days ago) in Canis Major

2.

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. Thu, 02 Jan 2020 at 23:46 EDT (1,656 days ago) in Cetus

3.

Quadrantid meteor shower 2020 The Quadrantid meteor shower reaches its peak. Sat, 04 Jan 2020 (1,655 days ago) in Bootes

4.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (1,654 days ago) in Pisces

5.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 10 Jan 2020 at 10:32 EDT (1,649 days ago) in Sagittarius

6.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Asia, Russia, Africa, Europe, Oceania, Greenland, north-eastern Canada and Alaska. Fri, 10 Jan 2020 at 14:10 EDT (1,649 days ago) in Gemini

7.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 10 Jan 2020 at 14:21 EDT (1,649 days ago) in Gemini

8.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (1,649 days ago) in Aries

9.

Supernova SN2020ue discovered A new supernova has been discovered in NGC 4636. Sat, 11 Jan 2020 (1,647 days ago)

10.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 11 Jan 2020 at 19:50 EDT (1,648 days ago) in Cancer

11.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 10:06 EDT (1,646 days ago) in Sagittarius

12.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 23:31 EDT (1,645 days ago) in Sagittarius

13.

Asteroid 511 Davida at opposition Asteroid 511 Davida makes closest approach to the Earth. Tue, 14 Jan 2020 at 23:46 EDT (1,644 days ago) in Gemini

14.

The cluster Messier 47 is well placed The open star cluster M47 (NGC 2422; mag 4.4) in Puppis culminates at around midnight local time. Wed, 15 Jan 2020 (1,644 days ago) in Puppis

15.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Wed, 15 Jan 2020 (1,644 days ago) in Camelopardalis

16.

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, 17 Jan 2020 at 07:59 EDT (1,642 days ago) in Virgo

17.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Fri, 17 Jan 2020 (1,642 days ago) in Puppis

18.

Supernova SN2020afp discovered A new supernova has been discovered in IC 3900. Fri, 17 Jan 2020 (1,641 days ago)

19.

γ-Ursae Minorid meteor shower 2020 The γ-Ursae Minorid meteor shower reaches its peak. Sun, 19 Jan 2020 (1,640 days ago) in Ursa Minor

20.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°15'. Mon, 20 Jan 2020 at 14:11 EDT (1,639 days ago) in Ophiuchus