401.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°46'. Thu, 18 Jan 2024 at 15:42 EDT (124 days ago) in Aries

402.

Comet C/2023 S3 (Lemmon) passes perihelion Comet C/2023 S3 (Lemmon) makes its closest approach to the Sun. Fri, 19 Jan 2024 (123 days ago) in Microscopium

403.

γ-Ursae Minorid meteor shower 2024 The γ-Ursae Minorid meteor shower reaches its peak. Fri, 19 Jan 2024 (123 days ago) in Ursa Minor

404.

Asteroid 354 Eleonora at opposition Asteroid 354 Eleonora makes closest approach to the Earth. Fri, 19 Jan 2024 at 23:46 EDT (122 days ago) in Canis Minor

405.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sat, 20 Jan 2024 at 09:39 EDT (122 days ago) in Taurus

406.

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. Sat, 20 Jan 2024 at 16:54 EDT (122 days ago) in Capricornus

407.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Sat, 20 Jan 2024 (122 days ago) in Carina

408.

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 French Polynesia, Tonga, New Zealand and Cook Islands amongst others. Mon, 22 Jan 2024 at 03:31 EDT (120 days ago) in Taurus

409.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Wed, 24 Jan 2024 (118 days ago) in Vela

410.

Comet 144P/Kushida passes perihelion Comet 144P/Kushida makes its closest approach to the Sun. Thu, 25 Jan 2024 (117 days ago) in Taurus

411.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 25 Jan 2024 at 12:53 EDT (117 days ago) in Cancer

412.

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. Fri, 26 Jan 2024 at 19:56 EDT (116 days ago) in Leo

413.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sat, 27 Jan 2024 at 02:28 EDT (115 days ago) in Aries

414.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 14'. Sat, 27 Jan 2024 at 11:06 EDT (115 days ago) in Sagittarius

415.

Close approach of Mercury and Mars Mercury and Mars pass within 14' of each other. Sat, 27 Jan 2024 at 11:27 EDT (115 days ago) in Sagittarius

416.

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. Mon, 29 Jan 2024 at 03:14 EDT (113 days ago) in Leo

417.

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. Wed, 31 Jan 2024 (111 days ago) in Cancer

418.

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. Wed, 31 Jan 2024 (111 days ago) in Vela

419.

The cluster IC 2395 is well placed The open star cluster IC 2395 (mag 4.0) in Vela culminates at around midnight local time. Thu, 01 Feb 2024 (110 days ago) in Vela

420.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Fri, 02 Feb 2024 at 12:01 EDT (109 days ago) in Sagittarius