1.

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. Wed, 01 Jan 2020 at 20:30 EDT (2,389 days ago) in Pisces

2.

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 (2,388 days ago) in Canis Major

3.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Thu, 02 Jan 2020 at 23:46 EDT (2,387 days ago) in Cetus

4.

Quadrantid meteor shower 2020 The Quadrantid meteor shower reaches its peak. Sat, 04 Jan 2020 (2,386 days ago) in Bootes

5.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (2,385 days ago) in Pisces

6.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 10 Jan 2020 at 10:32 EDT (2,380 days ago) in Sagittarius

7.

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 (2,380 days ago) in Gemini

8.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 10 Jan 2020 at 14:21 EDT (2,380 days ago) in Gemini

9.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Fri, 10 Jan 2020 at 16:08 EDT (2,380 days ago) in Gemini

10.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (2,380 days ago) in Aries

11.

Supernova SN2020ue discovered A new supernova has been discovered in NGC 4636. Sat, 11 Jan 2020 (2,378 days ago)

12.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 11 Jan 2020 at 19:50 EDT (2,379 days ago) in Cancer

13.

134340 Pluto at solar conjunction 134340 Pluto 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 08:11 EDT (2,377 days ago) in Sagittarius

14.

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 (2,377 days ago) in Sagittarius

15.

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 12:49 EDT (2,377 days ago) in Sagittarius

16.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, appearing larger than at other times of the month – though only very fractionally. Mon, 13 Jan 2020 at 15:21 EDT (2,377 days ago) in Leo

17.

Asteroid 511 Davida at opposition Asteroid 511 Davida makes closest approach to the Earth. Tue, 14 Jan 2020 at 21:22 EDT (2,376 days ago) in Gemini

18.

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 (2,375 days ago) in Puppis

19.

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 (2,375 days ago) in Camelopardalis

20.

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 (2,373 days ago) in Virgo