1.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Sun, 01 Jan 2023 at 16:45 EDT (495 days ago) in Aries

2.

Lunar occultation of Uranus The Moon will pass in front of Uranus, creating a lunar occultation visible from countries and territories including Greenland, Russia, Canada and Sweden amongst others. Sun, 01 Jan 2023 at 16:45 EDT (495 days ago) in Aries

3.

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. Mon, 02 Jan 2023 (494 days ago) in Canis Major

4.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 32'. Tue, 03 Jan 2023 at 14:36 EDT (493 days ago) in Taurus

5.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 03 Jan 2023 at 14:51 EDT (493 days ago) in Taurus

6.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Africa, Maldives and British Indian Ocean Territory. Tue, 03 Jan 2023 at 14:51 EDT (493 days ago) in Taurus

7.

Quadrantid meteor shower 2023 The Quadrantid meteor shower reaches its peak. Tue, 03 Jan 2023 (492 days ago) in Bootes

8.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 04 Jan 2023 at 11:17 EDT (492 days ago) in Pisces

9.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 06 Jan 2023 at 18:07 EDT (490 days ago) in Gemini

10.

Comet C/2022 E3 (ZTF) passes perihelion Comet C/2022 E3 (ZTF) makes its closest approach to the Sun. Thu, 12 Jan 2023 (484 days ago)

11.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Thu, 12 Jan 2023 at 15:54 EDT (484 days ago) in Taurus

12.

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. Sat, 14 Jan 2023 at 21:10 EDT (482 days ago) in Virgo

13.

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. Sun, 15 Jan 2023 (481 days ago) in Puppis

14.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sun, 15 Jan 2023 at 23:46 EDT (480 days ago) in Canis Major

15.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from Asia, Christmas Island, Spratly Islands and Paracel Islands. Tue, 17 Jan 2023 at 17:29 EDT (479 days ago) in Scorpius

16.

γ-Ursae Minorid meteor shower 2023 The γ-Ursae Minorid meteor shower reaches its peak. Thu, 19 Jan 2023 (477 days ago) in Ursa Minor

17.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 22 Jan 2023 at 18:23 EDT (474 days ago) in Aries

18.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 23 Jan 2023 (473 days ago) in Sagittarius

19.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 24 Jan 2023 at 10:12 EDT (472 days ago) in Sagittarius

20.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°48'. Wed, 25 Jan 2023 at 21:03 EDT (471 days ago) in Pisces