161.

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 (2,490 days ago) in Sagittarius

162.

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 (2,491 days ago) in Ophiuchus

163.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Sep 2018 at 05:53 PDT (2,491 days ago) in Capricornus

164.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Fri, 14 Sep 2018 (2,493 days ago) in Auriga

165.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 13 Sep 2018 at 21:43 PDT (2,494 days ago) in Libra

166.

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 (2,494 days ago) in Libra

167.

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 (2,496 days ago) in Virgo

168.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 09 Sep 2018 at 11:02 PDT (2,498 days ago) in Leo

169.

September ε-Perseid meteor shower 2018 The September ε-Perseid meteor shower reaches its peak. Sun, 09 Sep 2018 (2,498 days ago) in Perseus

170.

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 (2,500 days ago) in Leo

171.

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 (2,500 days ago) in Aquarius

172.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 06 Sep 2018 at 19:26 PDT (2,501 days ago) in Cancer

173.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Thu, 06 Sep 2018 at 04:19 PDT (2,501 days ago) in Sagittarius

174.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Wed, 05 Sep 2018 at 04:32 PDT (2,502 days ago) in Virgo

175.

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 (2,505 days ago) in Taurus

176.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Greenland and Canada. Sun, 02 Sep 2018 at 18:36 PDT (2,505 days ago) in Taurus

177.

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 (2,505 days ago) in Taurus

178.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 02 Sep 2018 at 02:42 PDT (2,505 days ago) in Leo

179.

Aurigid meteor shower 2018 The Aurigid meteor shower reaches its peak. Sat, 01 Sep 2018 (2,506 days ago) in Auriga

180.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 28 Aug 2018 at 04:08 PDT (2,510 days ago) in Cancer