21.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Hawaii and Midway Atoll. Sat, 09 Jan 2021 at 12:08 EDT (1,200 days ago) in Scorpius

22.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sat, 09 Jan 2021 at 10:36 EDT (1,200 days ago) in Scorpius

23.

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. Wed, 06 Jan 2021 at 04:37 EDT (1,203 days ago) in Virgo

24.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,206 days ago) in Bootes

25.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,207 days ago) in Pisces

26.

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. Fri, 01 Jan 2021 (1,208 days ago) in Canis Major

27.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 Dec 2020 at 22:28 EDT (1,211 days ago) in Gemini

28.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Tue, 29 Dec 2020 (1,211 days ago) in Monoceros

29.

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. Tue, 29 Dec 2020 at 11:34 EDT (1,211 days ago) in Gemini

30.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Mon, 28 Dec 2020 (1,212 days ago) in Monoceros

31.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,213 days ago) in Perseus

32.

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. Thu, 24 Dec 2020 at 11:31 EDT (1,216 days ago) in Pisces

33.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 23 Dec 2020 at 18:23 EDT (1,217 days ago) in Pisces

34.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°34'. Wed, 23 Dec 2020 at 13:31 EDT (1,217 days ago) in Pisces

35.

Ursid meteor shower 2020 The Ursid meteor shower reaches its peak. Tue, 22 Dec 2020 (1,218 days ago) in Ursa Minor

36.

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. Mon, 21 Dec 2020 at 18:41 EDT (1,219 days ago) in Pisces

37.

Great conjunction of Jupiter and Saturn Jupiter and Saturn will make their closest approach since the year 1623. Mon, 21 Dec 2020 at 13:20 EDT (1,219 days ago) in Capricornus

38.

Conjunction of Jupiter and Saturn Jupiter and Saturn share the same right ascension, at a separation of 6'15". Mon, 21 Dec 2020 at 08:34 EDT (1,219 days ago) in Capricornus

39.

December solstice 21 December will be the shortest day of 2020 in the northern hemisphere. Mon, 21 Dec 2020 at 04:55 EDT (1,219 days ago) in Sagittarius

40.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sat, 19 Dec 2020 at 22:40 EDT (1,221 days ago) in Sagittarius