281.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 28 Aug 2018 at 04:08 PDT (2,084 days ago) in Cancer

282.

Aurigid meteor shower 2018 The Aurigid meteor shower reaches its peak. Sat, 01 Sep 2018 (2,080 days ago) in Auriga

283.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 02 Sep 2018 at 02:42 PDT (2,079 days ago) in Leo

284.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sun, 02 Sep 2018 at 14:45 PDT (2,079 days ago) in Taurus

285.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Greenland, Iceland and Canada. Sun, 02 Sep 2018 at 18:36 PDT (2,079 days ago) in Taurus

286.

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, 02 Sep 2018 at 19:37 PDT (2,079 days ago) in Taurus

287.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Wed, 05 Sep 2018 at 04:32 PDT (2,076 days ago) in Virgo

288.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Thu, 06 Sep 2018 at 04:19 PDT (2,075 days ago) in Sagittarius

289.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 06 Sep 2018 at 19:26 PDT (2,075 days ago) in Cancer

290.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 07 Sep 2018 at 11:18 PDT (2,074 days ago) in Aquarius

291.

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. Fri, 07 Sep 2018 at 18:19 PDT (2,074 days ago) in Leo

292.

September ε-Perseid meteor shower 2018 The September ε-Perseid meteor shower reaches its peak. Sun, 09 Sep 2018 (2,072 days ago) in Perseus

293.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 09 Sep 2018 at 11:02 PDT (2,072 days ago) in Leo

294.

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. Tue, 11 Sep 2018 at 19:12 PDT (2,070 days ago) in Virgo

295.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Thu, 13 Sep 2018 (2,068 days ago) in Auriga

296.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°22'. Thu, 13 Sep 2018 at 19:19 PDT (2,068 days ago) in Libra

297.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 13 Sep 2018 at 21:43 PDT (2,068 days ago) in Libra

298.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Sep 2018 at 05:53 PDT (2,065 days ago) in Capricornus

299.

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. Sun, 16 Sep 2018 at 16:15 PDT (2,065 days ago) in Ophiuchus

300.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°03'. Mon, 17 Sep 2018 at 09:29 PDT (2,064 days ago) in Sagittarius