341.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 05 Dec 2025 (8 days ago) in Libra

342.

December φ-Cassiopeid meteor shower 2025 The December φ-Cassiopeid meteor shower reaches its peak. Sat, 06 Dec 2025 (8 days ago) in Andromeda

343.

Puppid-Velid meteor shower 2025 The Puppid-Velid meteor shower reaches its peak. Sun, 07 Dec 2025 (7 days ago) in Vela

344.

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 EST (7 days ago) in Gemini

345.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 07 Dec 2025 at 12:10 EST (7 days ago) in Gemini

346.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 07 Dec 2025 at 19:14 EST (7 days ago) in Libra

347.

Asteroid 16 Psyche at opposition Asteroid 16 Psyche makes closest approach to the Earth. Sun, 07 Dec 2025 at 21:22 EST (7 days ago) in Taurus

348.

Monocerotid meteor shower 2025 The Monocerotid meteor shower reaches its peak. Mon, 08 Dec 2025 (5 days ago) in Monoceros

349.

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 EST (4 days ago) in Leo

350.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 10 Dec 2025 at 07:13 EST (4 days ago) in Pisces

351.

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 EST (3 days ago) in Leo

352.

σ-Hydrid meteor shower 2025 The σ-Hydrid meteor shower reaches its peak. Thu, 11 Dec 2025 (2 days ago) in Hydra

353.

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 (2 days ago) in Dorado

354.

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

355.

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 (Tomorrow) in Orion

356.

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

357.

Comae Berenicid meteor shower 2025 The Comae Berenicid meteor shower reaches its peak. Mon, 15 Dec 2025 (2 days away) in Leo

358.

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. Wed, 17 Dec 2025 at 01:08 EST (3 days away) in Libra

359.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°09'. Thu, 18 Dec 2025 at 07:14 EST (4 days away) in Ophiuchus

360.

December Leonis Minorid meteor shower 2025 The December Leonis Minorid meteor shower reaches its peak. Fri, 19 Dec 2025 (6 days away) in Leo Minor