161.

Aurigid meteor shower 2017 The Aurigid meteor shower reaches its peak. Thu, 31 Aug 2017 (2,494 days ago) in Auriga

162.

Close approach of Venus and M44 Venus and M44 pass close to each other. Fri, 01 Sep 2017 at 09:47 EDT (2,494 days ago) in Cancer

163.

Supernova SN2017glq discovered A new supernova has been discovered in IC 208. Fri, 01 Sep 2017 (2,493 days ago)

164.

Supernova SN2017glx discovered A new supernova has been discovered in NGC 6824. Sat, 02 Sep 2017 (2,492 days ago)

165.

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. Sun, 03 Sep 2017 at 13:06 EDT (2,492 days ago) in Capricornus

166.

Supernova SN2017gmr discovered A new supernova has been discovered in NGC 988. Sun, 03 Sep 2017 (2,491 days ago)

167.

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. Tue, 05 Sep 2017 at 01:19 EDT (2,490 days ago) in Aquarius

168.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from countries and territories including Antarctica, Argentina, Chile and Brazil amongst others. Wed, 06 Sep 2017 at 00:59 EDT (2,489 days ago) in Aquarius

169.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 06 Sep 2017 at 03:02 EDT (2,489 days ago) in Aquarius

170.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Thu, 07 Sep 2017 at 15:10 EDT (2,488 days ago) in Pegasus

171.

September ε-Perseid meteor shower 2017 The September ε-Perseid meteor shower reaches its peak. Sat, 09 Sep 2017 (2,486 days ago) in Perseus

172.

Comet 1I/`Oumuamua passes perihelion Comet 1I/`Oumuamua makes its closest approach to the Sun. Sat, 09 Sep 2017 (2,486 days ago) in Leo

173.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Tue, 12 Sep 2017 at 04:42 EDT (2,483 days ago) in Taurus

174.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Tue, 12 Sep 2017 at 05:19 EDT (2,483 days ago) in Leo

175.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from countries and territories including the Contiguous United States, Canada, Mexico and Alaska amongst others. Tue, 12 Sep 2017 at 08:26 EDT (2,483 days ago) in Taurus

176.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 12 Sep 2017 at 23:41 EDT (2,483 days ago) in Leo

177.

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. Wed, 13 Sep 2017 at 02:25 EDT (2,482 days ago) in Taurus

178.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Wed, 13 Sep 2017 (2,482 days ago) in Leo

179.

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. Wed, 13 Sep 2017 at 12:06 EDT (2,482 days ago) in Taurus

180.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 15 Sep 2017 at 08:33 EDT (2,480 days ago) in Leo