261.

Comae Berenicid meteor shower 2023 The Comae Berenicid meteor shower reaches its peak. Sat, 16 Dec 2023 (197 days ago) in Leo

262.

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. Fri, 15 Dec 2023 (198 days ago) in Orion

263.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Fri, 15 Dec 2023 (198 days ago) in Orion

264.

Geminid meteor shower 2023 The Geminid meteor shower reaches its peak. Thu, 14 Dec 2023 (199 days ago) in Gemini

265.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 4°21'. Thu, 14 Dec 2023 at 00:20 EDT (199 days ago) in Sagittarius

266.

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. Wed, 13 Dec 2023 at 10:39 EDT (200 days ago) in Sagittarius

267.

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. Tue, 12 Dec 2023 (201 days ago) in Dorado

268.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 12 Dec 2023 at 18:33 EDT (201 days ago) in Ophiuchus

269.

σ-Hydrid meteor shower 2023 The σ-Hydrid meteor shower reaches its peak. Tue, 12 Dec 2023 (201 days ago) in Hydra

270.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°38'. Sat, 09 Dec 2023 at 11:54 EDT (204 days ago) in Virgo

271.

Monocerotid meteor shower 2023 The Monocerotid meteor shower reaches its peak. Sat, 09 Dec 2023 (204 days ago) in Monoceros

272.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 09 Dec 2023 at 08:43 EDT (204 days ago) in Virgo

273.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Fri, 08 Dec 2023 (205 days ago) in Sagittarius

274.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 08 Dec 2023 at 06:44 EDT (205 days ago) in Sagittarius

275.

Puppid-Velid meteor shower 2023 The Puppid-Velid meteor shower reaches its peak. Thu, 07 Dec 2023 (206 days ago) in Vela

276.

December φ-Cassiopeid meteor shower 2023 The December φ-Cassiopeid meteor shower reaches its peak. Wed, 06 Dec 2023 (207 days ago) in Andromeda

277.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 06 Dec 2023 at 07:38 EDT (207 days ago) in Aquarius

278.

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, 05 Dec 2023 at 00:49 EDT (208 days ago) in Leo

279.

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, 04 Dec 2023 at 13:42 EDT (209 days ago) in Leo

280.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 04 Dec 2023 at 12:26 EDT (209 days ago) in Sagittarius