581.

Geminid meteor shower 2017 The Geminid meteor shower reaches its peak. Thu, 14 Dec 2017 (2,362 days ago) in Gemini

582.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 13 Dec 2017 at 14:12 EDT (2,363 days ago) in Virgo

583.

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 (2,363 days ago) in Virgo

584.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Tue, 12 Dec 2017 at 20:45 EDT (2,364 days ago) in Ophiuchus

585.

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 (2,364 days ago) in Dorado

586.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 12 Dec 2017 at 06:27 EDT (2,364 days ago) in Ophiuchus

587.

σ-Hydrid meteor shower 2017 The σ-Hydrid meteor shower reaches its peak. Mon, 11 Dec 2017 (2,364 days ago) in Hydra

588.

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 (2,366 days ago) in Leo

589.

Monocerotid meteor shower 2017 The Monocerotid meteor shower reaches its peak. Fri, 08 Dec 2017 (2,367 days ago) in Monoceros

590.

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 (2,368 days ago) in Leo

591.

Puppid-Velid meteor shower 2017 The Puppid-Velid meteor shower reaches its peak. Wed, 06 Dec 2017 (2,369 days ago) in Vela

592.

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 (2,370 days ago) in Sagittarius

593.

December φ-Cassiopeid meteor shower 2017 The December φ-Cassiopeid meteor shower reaches its peak. Tue, 05 Dec 2017 (2,370 days ago) in Andromeda

594.

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 (2,372 days ago) in Taurus

595.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 03 Dec 2017 at 10:46 EDT (2,373 days ago) in Taurus

596.

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 (2,373 days ago) in Taurus

597.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sun, 03 Dec 2017 at 04:40 EDT (2,373 days ago) in Taurus

598.

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. Sat, 02 Dec 2017 at 04:19 EDT (2,374 days ago) in Taurus

599.

Pheonicid meteor shower 2017 The Pheonicid meteor shower reaches its peak. Sat, 02 Dec 2017 (2,374 days ago) in Phoenix

600.

Supernova SN2017isj discovered A new supernova has been discovered in UGC 6216. Fri, 01 Dec 2017 (2,374 days ago)