1.

Comet C/2024 E1 (Wierzchos) passes perihelion Comet C/2024 E1 (Wierzchos) makes its closest approach to the Sun. Tue, 20 Jan 2026 (13 days ago) in Microscopium

2.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Tue, 20 Jan 2026 (13 days ago) in Carina

3.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Wed, 21 Jan 2026 at 08:01 PST (12 days ago) in Capricornus

4.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Thu, 22 Jan 2026 at 04:48 PST (11 days ago) in Capricornus

5.

Close approach of the Moon, Saturn and Neptune The Moon, Saturn and Neptune pass close to one another. Fri, 23 Jan 2026 at 00:57 PST (10 days ago) in Pisces

6.

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. Fri, 23 Jan 2026 at 02:19 PST (10 days ago) in Capricornus

7.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°21'. Fri, 23 Jan 2026 at 04:40 PST (10 days ago) in Pisces

8.

Asteroid 44 Nysa at opposition Asteroid 44 Nysa makes closest approach to the Earth. Fri, 23 Jan 2026 at 11:10 PST (10 days ago) in Cancer

9.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Fri, 23 Jan 2026 (10 days ago) in Vela

10.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sun, 25 Jan 2026 at 20:47 PST (8 days ago) in Aries

11.

Comet C/2024 E1 (Wierzchos) reaches peak brightness Comet C/2024 E1 (Wierzchos) is forecast to reach the brightest point in its 2026 apparition. Mon, 26 Jan 2026 (7 days ago) in Grus

12.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Tue, 27 Jan 2026 at 13:29 PST (6 days ago) in Taurus

13.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from countries and territories including Indonesia, Papua New Guinea, Philippines and Solomon Islands amongst others. Thu, 29 Jan 2026 at 02:53 PST (4 days ago) in Taurus

14.

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. Thu, 29 Jan 2026 at 13:45 PST (4 days ago) in Taurus

15.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°50'. Fri, 30 Jan 2026 at 18:29 PST (3 days ago) in Gemini

16.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 30 Jan 2026 at 19:38 PST (3 days ago) in Gemini

17.

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, 31 Jan 2026 (2 days ago) in Cancer

18.

The Omicron Velorum cluster is well placed The Omicron Velorum open star cluster (IC 2391; mag 2.5) in Vela culminates at around midnight local time. Sat, 31 Jan 2026 (2 days ago) in Vela

19.

The cluster IC 2395 is well placed The open star cluster IC 2395 (mag 4.0) in Vela culminates at around midnight local time. Sat, 31 Jan 2026 (2 days ago) in Vela

20.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sun, 01 Feb 2026 at 05:16 PST (Yesterday) in Cancer