421.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Sun, 12 Jan 2025 at 08:32 EDT (180 days away) in Cancer

422.

Asteroid 887 Alinda at opposition Asteroid 887 Alinda makes closest approach to the Earth. Mon, 13 Jan 2025 at 04:34 EDT (181 days away) in Gemini

423.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 13 Jan 2025 at 17:26 EDT (181 days away) in Gemini

424.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 13'. Mon, 13 Jan 2025 at 22:42 EDT (181 days away) in Gemini

425.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 13 Jan 2025 at 22:48 EDT (181 days away) in Gemini

426.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Africa, the Americas, Portugal, the Portuguese Azores, Madeira, the Savage Islands and the Canary Islands. Mon, 13 Jan 2025 at 22:48 EDT (181 days away) in Gemini

427.

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. Tue, 14 Jan 2025 at 11:26 EDT (182 days away) in Cancer

428.

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. Tue, 14 Jan 2025 (182 days away) in Puppis

429.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Tue, 14 Jan 2025 (182 days away) in Camelopardalis

430.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Wed, 15 Jan 2025 at 21:32 EDT (183 days away) in Gemini

431.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Thu, 16 Jan 2025 (184 days away) in Puppis

432.

Close approach of Venus and Saturn Venus and Saturn pass within 2°10' of each other. Sat, 18 Jan 2025 at 12:30 EDT (186 days away) in Aquarius

433.

γ-Ursae Minorid meteor shower 2025 The γ-Ursae Minorid meteor shower reaches its peak. Sat, 18 Jan 2025 (187 days away) in Ursa Minor

434.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sun, 19 Jan 2025 at 09:01 EDT (187 days away) in Sagittarius

435.

Conjunction of Venus and Saturn Venus and Saturn share the same right ascension, at a separation of 2°31'. Mon, 20 Jan 2025 at 00:16 EDT (188 days away) in Aquarius

436.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Mon, 20 Jan 2025 (188 days away) in Carina

437.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Africa. Mon, 20 Jan 2025 at 23:30 EDT (189 days away) in Virgo

438.

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, 20 Jan 2025 at 23:54 EDT (189 days away) in Virgo

439.

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. Tue, 21 Jan 2025 at 15:31 EDT (189 days away) in Virgo

440.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Thu, 23 Jan 2025 (191 days away) in Vela