221.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Mon, 15 Dec 2025 (242 days ago) in Orion

222.

The Running Man cluster is well placed The Running Man cluster NGC 1977 (mag 4.2) in Orion's sword culminates at around midnight local time. Mon, 15 Dec 2025 (242 days ago) in Orion

223.

Geminid meteor shower 2025 The Geminid meteor shower reaches its peak. Sun, 14 Dec 2025 (243 days ago) in Gemini

224.

The Large Magellanic Cloud is well placed The Milky Way's dwarf companion, the Large Magellanic Cloud (LMC; mag 0.9), in Dorado culminates at around midnight local time. Fri, 12 Dec 2025 (245 days ago) in Dorado

225.

σ-Hydrid meteor shower 2025 The σ-Hydrid meteor shower reaches its peak. Thu, 11 Dec 2025 (245 days ago) in Hydra

226.

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. Thu, 11 Dec 2025 at 15:52 EDT (246 days ago) in Leo

227.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 10 Dec 2025 at 07:14 EDT (247 days ago) in Pisces

228.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Canada, Greenland, Svalbard and Iceland amongst others. Wed, 10 Dec 2025 at 02:47 EDT (247 days ago) in Leo

229.

Monocerotid meteor shower 2025 The Monocerotid meteor shower reaches its peak. Mon, 08 Dec 2025 (248 days ago) in Monoceros

230.

Asteroid 16 Psyche at opposition Asteroid 16 Psyche makes closest approach to the Earth. Sun, 07 Dec 2025 at 21:22 EDT (250 days ago) in Taurus

231.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 07 Dec 2025 at 19:14 EDT (250 days ago) in Libra

232.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 07 Dec 2025 at 12:10 EDT (250 days ago) in Gemini

233.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°42'. Sun, 07 Dec 2025 at 10:47 EDT (250 days ago) in Gemini

234.

Puppid-Velid meteor shower 2025 The Puppid-Velid meteor shower reaches its peak. Sun, 07 Dec 2025 (250 days ago) in Vela

235.

December φ-Cassiopeid meteor shower 2025 The December φ-Cassiopeid meteor shower reaches its peak. Sat, 06 Dec 2025 (251 days ago) in Andromeda

236.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 05 Dec 2025 (251 days ago) in Libra

237.

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 Australia, Indonesia, Papua New Guinea and Malaysia amongst others. Fri, 05 Dec 2025 at 09:42 EDT (252 days ago) in Taurus

238.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 04 Dec 2025 at 18:13 EDT (253 days ago) in Taurus

239.

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, 04 Dec 2025 at 06:07 EDT (253 days ago) in Taurus

240.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 04 Dec 2025 at 03:05 EDT (253 days ago) in Libra