281.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 15 Dec 2018 at 10:27 EDT (2,019 days ago) in Scorpius

282.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Sat, 15 Dec 2018 at 06:49 EDT (2,019 days ago) in Aquarius

283.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 14 Dec 2018 at 20:51 EDT (2,020 days ago) in Aquarius

284.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°33'. Fri, 14 Dec 2018 at 18:21 EDT (2,020 days ago) in Aquarius

285.

Geminid meteor shower 2018 The Geminid meteor shower reaches its peak. Fri, 14 Dec 2018 (2,020 days ago) in Gemini

286.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Thu, 13 Dec 2018 (2,021 days ago) in Scorpius

287.

Comet 46P/Wirtanen passes perigee Comet 46P/Wirtanen makes its closest approach to the Earth. Thu, 13 Dec 2018 (2,021 days ago) in Taurus

288.

Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen is forecast to reach the brightest point in its 2018 apparition. Thu, 13 Dec 2018 (2,021 days ago) in Taurus

289.

Venus at highest altitude in morning sky Venus is bright and well placed in the dawn sky. Thu, 13 Dec 2018 (2,021 days ago) in Libra

290.

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. Wed, 12 Dec 2018 (2,022 days ago) in Dorado

291.

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, 12 Dec 2018 at 07:24 EDT (2,022 days ago) in Capricornus

292.

σ-Hydrid meteor shower 2018 The σ-Hydrid meteor shower reaches its peak. Wed, 12 Dec 2018 (2,022 days ago) in Hydra

293.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 11 Dec 2018 at 07:38 EDT (2,023 days ago) in Libra

294.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Tue, 11 Dec 2018 (2,023 days ago) in Taurus

295.

Monocerotid meteor shower 2018 The Monocerotid meteor shower reaches its peak. Sun, 09 Dec 2018 (2,025 days ago) in Monoceros

296.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°07'. Sun, 09 Dec 2018 at 00:17 EDT (2,025 days ago) in Sagittarius

297.

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. Sat, 08 Dec 2018 at 13:40 EDT (2,026 days ago) in Sagittarius

298.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 2'21". Fri, 07 Dec 2018 at 09:45 EDT (2,027 days ago) in Aquarius

299.

Close approach of Mars and Neptune Mars and Neptune pass within 2'08" of each other. Fri, 07 Dec 2018 at 09:07 EDT (2,027 days ago) in Aquarius

300.

Puppid-Velid meteor shower 2018 The Puppid-Velid meteor shower reaches its peak. Fri, 07 Dec 2018 (2,027 days ago) in Vela