281.

Quadrantid meteor shower 2025 The Quadrantid meteor shower reaches its peak. Fri, 03 Jan 2025 (320 days ago) in Bootes

282.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°26'. Fri, 03 Jan 2025 at 10:23 EST (320 days ago) in Aquarius

283.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Thu, 02 Jan 2025 at 21:22 EST (321 days ago) in Gemini

284.

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. Wed, 01 Jan 2025 (322 days ago) in Canis Major

285.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 30 Dec 2024 at 17:28 EST (324 days ago) in Sagittarius

286.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Mon, 30 Dec 2024 at 16:06 EST (324 days ago) in Sagittarius

287.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Sun, 29 Dec 2024 (325 days ago) in Monoceros

288.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°23'. Sat, 28 Dec 2024 at 23:24 EST (326 days ago) in Ophiuchus

289.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Sat, 28 Dec 2024 (326 days ago) in Monoceros

290.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from French Polynesia. Sat, 28 Dec 2024 at 10:16 EST (326 days ago) in Scorpius

291.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Wed, 25 Dec 2024 at 02:10 EST (329 days ago) in Ophiuchus

292.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from countries and territories including China, Japan, North Korea and South Korea amongst others. Tue, 24 Dec 2024 at 15:20 EST (330 days ago) in Virgo

293.

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. Tue, 24 Dec 2024 at 02:24 EST (330 days ago) in Virgo

294.

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. Sun, 22 Dec 2024 at 17:18 EST (332 days ago) in Virgo

295.

Ursid meteor shower 2024 The Ursid meteor shower reaches its peak. Sun, 22 Dec 2024 (332 days ago) in Ursa Minor

296.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 22 Dec 2024 (332 days ago) in Ophiuchus

297.

December solstice 21 December will be the shortest day of 2024 in the northern hemisphere. Sat, 21 Dec 2024 at 04:20 EST (333 days ago) in Sagittarius

298.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 20 Dec 2024 at 09:51 EST (334 days ago) in Scorpius

299.

December Leonis Minorid meteor shower 2024 The December Leonis Minorid meteor shower reaches its peak. Thu, 19 Dec 2024 (335 days ago) in Leo Minor

300.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from countries and territories including Canada, Greenland, Russia and Alaska amongst others. Wed, 18 Dec 2024 at 04:17 EST (336 days ago) in Cancer