361.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Fri, 22 Dec 2023 at 13:50 EDT (149 days ago) in Sagittarius

362.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Fri, 22 Dec 2023 at 14:10 EDT (149 days ago) in Gemini

363.

Ursid meteor shower 2023 The Ursid meteor shower reaches its peak. Fri, 22 Dec 2023 (148 days ago) in Ursa Minor

364.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sun, 24 Dec 2023 at 03:56 EDT (147 days ago) in Taurus

365.

Comet 62P/Tsuchinshan passes perihelion Comet 62P/Tsuchinshan makes its closest approach to the Sun. Mon, 25 Dec 2023 (146 days ago) in Leo

366.

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 Argentina, Brazil, Uruguay and Falkland Islands amongst others. Mon, 25 Dec 2023 at 21:08 EDT (146 days ago) in Taurus

367.

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, 26 Dec 2023 at 14:55 EDT (145 days ago) in Auriga

368.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 26 Dec 2023 at 19:33 EDT (145 days ago) in Auriga

369.

Asteroid 5 Astraea at opposition Asteroid 5 Astraea makes closest approach to the Earth. Wed, 27 Dec 2023 at 21:22 EDT (144 days ago) in Orion

370.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Fri, 29 Dec 2023 (142 days ago) in Monoceros

371.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Sat, 30 Dec 2023 (141 days ago) in Monoceros

372.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 30 Dec 2023 at 21:41 EDT (141 days ago) in Aries

373.

Comet 62P/Tsuchinshan reaches peak brightness Comet 62P/Tsuchinshan is forecast to reach the brightest point in its 2023 apparition. Sun, 31 Dec 2023 (140 days ago) in Leo

374.

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, 01 Jan 2024 at 10:28 EDT (139 days ago) in Leo

375.

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. Tue, 02 Jan 2024 (138 days ago) in Canis Major

376.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 02 Jan 2024 at 19:38 EDT (138 days ago) in Pisces

377.

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. Wed, 03 Jan 2024 at 22:31 EDT (137 days ago) in Virgo

378.

Quadrantid meteor shower 2024 The Quadrantid meteor shower reaches its peak. Thu, 04 Jan 2024 (136 days ago) in Bootes

379.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 07 Jan 2024 at 03:06 EDT (133 days ago) in Ophiuchus

380.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 07 Jan 2024 (133 days ago) in Sagittarius