441.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Fri, 15 Dec 2017 (2,345 days ago) in Orion

442.

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 2017 (2,345 days ago) in Orion

443.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 14 Dec 2017 at 11:56 EDT (2,346 days ago) in Libra

444.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°14'. Thu, 14 Dec 2017 at 09:26 EDT (2,346 days ago) in Libra

445.

Geminid meteor shower 2017 The Geminid meteor shower reaches its peak. Thu, 14 Dec 2017 (2,346 days ago) in Gemini

446.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 13 Dec 2017 at 14:12 EDT (2,347 days ago) in Virgo

447.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°09'. Wed, 13 Dec 2017 at 11:27 EDT (2,347 days ago) in Virgo

448.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Tue, 12 Dec 2017 at 20:45 EDT (2,348 days ago) in Ophiuchus

449.

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 2017 (2,348 days ago) in Dorado

450.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 12 Dec 2017 at 06:27 EDT (2,348 days ago) in Ophiuchus

451.

σ-Hydrid meteor shower 2017 The σ-Hydrid meteor shower reaches its peak. Mon, 11 Dec 2017 (2,348 days ago) in Hydra

452.

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, 10 Dec 2017 at 02:51 EDT (2,350 days ago) in Leo

453.

Monocerotid meteor shower 2017 The Monocerotid meteor shower reaches its peak. Fri, 08 Dec 2017 (2,351 days ago) in Monoceros

454.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Russia, Kazakhstan, China and Mongolia amongst others. Fri, 08 Dec 2017 at 18:10 EDT (2,352 days ago) in Leo

455.

Puppid-Velid meteor shower 2017 The Puppid-Velid meteor shower reaches its peak. Wed, 06 Dec 2017 (2,353 days ago) in Vela

456.

Conjunction of Saturn and Mercury Saturn and Mercury share the same right ascension, at a separation of 1°20'. Wed, 06 Dec 2017 at 06:26 EDT (2,354 days ago) in Sagittarius

457.

December φ-Cassiopeid meteor shower 2017 The December φ-Cassiopeid meteor shower reaches its peak. Tue, 05 Dec 2017 (2,354 days ago) in Andromeda

458.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Mon, 04 Dec 2017 at 03:45 EDT (2,356 days ago) in Taurus

459.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 03 Dec 2017 at 10:46 EDT (2,357 days ago) in Taurus

460.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from countries and territories including Russia, Canada, China and Alaska amongst others. Sun, 03 Dec 2017 at 08:09 EDT (2,357 days ago) in Taurus