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. Fri, 01 Jan 2021 (1,213 days ago) in Canis Major

2.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,212 days ago) in Pisces

3.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,211 days ago) in Bootes

4.

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 (1,208 days ago) in Virgo

5.

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 (1,205 days ago) in Scorpius

6.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°37'. Sun, 10 Jan 2021 at 13:52 EDT (1,204 days ago) in Aquarius

7.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 14 Jan 2021 at 04:12 EDT (1,200 days ago) in Aries

8.

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. Thu, 14 Jan 2021 (1,200 days ago) in Puppis

9.

γ-Ursae Minorid meteor shower 2021 The γ-Ursae Minorid meteor shower reaches its peak. Mon, 18 Jan 2021 (1,195 days ago) in Ursa Minor

10.

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. Wed, 20 Jan 2021 at 16:02 EDT (1,194 days ago) in Pisces

11.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°03'. Thu, 21 Jan 2021 at 00:35 EDT (1,193 days ago) in Aries

12.

Close approach of the Moon, Mars and Uranus The Moon, Mars and Uranus pass close to one another. Thu, 21 Jan 2021 at 04:49 EDT (1,193 days ago) in Aries

13.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Thu, 21 Jan 2021 at 06:58 EDT (1,193 days ago) in Cancer

14.

Conjunction of Mars and Uranus Mars and Uranus share the same right ascension, at a separation of 1°43'. Thu, 21 Jan 2021 at 18:41 EDT (1,193 days ago) in Aries

15.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 23 Jan 2021 at 21:10 EDT (1,191 days ago) in Capricornus

16.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 24 Jan 2021 (1,189 days ago) in Capricornus

17.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 25 Jan 2021 at 02:45 EDT (1,189 days ago) in Capricornus

18.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Mon, 25 Jan 2021 at 04:34 EDT (1,189 days ago) in Cancer

19.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 28 Jan 2021 at 14:16 EDT (1,186 days ago) in Cancer

20.

The Beehive cluster is well placed The Beehive open star cluster (M44, NGC 2632, also known as Praesepe; mag 3.1) culminates at around midnight local time. Sat, 30 Jan 2021 (1,184 days ago) in Cancer