1.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 24 Jan 2023 at 10:12 EST (7 days ago) in Sagittarius

2.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Mon, 23 Jan 2023 (8 days ago) in Vela

3.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 23 Jan 2023 (8 days ago) in Sagittarius

4.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°27'. Mon, 23 Jan 2023 at 03:19 EST (8 days ago) in Capricornus

5.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°49'. Mon, 23 Jan 2023 at 02:22 EST (8 days ago) in Capricornus

6.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 22 Jan 2023 at 18:23 EST (9 days ago) in Aries

7.

Close approach of Venus and Saturn Venus and Saturn pass within 0°20' of each other. Sun, 22 Jan 2023 at 17:13 EST (9 days ago) in Capricornus

8.

Conjunction of Venus and Saturn Venus and Saturn share the same right ascension, at a separation of 0°21'. Sun, 22 Jan 2023 at 14:36 EST (9 days ago) in Capricornus

9.

Jupiter at perihelion Jupiter reaches its closest point to the Sun. Sun, 22 Jan 2023 at 00:53 EST (9 days ago) in Pisces

10.

The Moon at perigee The Moon appears large as it makes its closest approach to the Earth. Sat, 21 Jan 2023 at 15:57 EST (10 days ago) in Capricornus

11.

New Moon The Moon disappears into the Sun's glare. Sat, 21 Jan 2023 at 15:54 EST (10 days ago) in Capricornus

12.

The Moon at perihelion The Moon reaches its closest point to the Sun. Sat, 21 Jan 2023 at 00:14 EST (10 days ago) in Sagittarius

13.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Fri, 20 Jan 2023 (11 days ago) in Carina

14.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°56'. Fri, 20 Jan 2023 at 02:51 EST (11 days ago) in Sagittarius

15.

γ-Ursae Minorid meteor shower 2023 The γ-Ursae Minorid meteor shower reaches its peak. Thu, 19 Jan 2023 (12 days ago) in Ursa Minor

16.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun. Wed, 18 Jan 2023 at 17:31 EST (13 days ago) in Sagittarius

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. Tue, 17 Jan 2023 (14 days ago) in Puppis

18.

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 EST (14 days ago) in Scorpius

19.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sun, 15 Jan 2023 at 23:46 EST (16 days ago) in Canis Major

20.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Sun, 15 Jan 2023 (16 days ago) in Camelopardalis