161.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Australia, Indonesia, New Zealand and Papua New Guinea amongst others. Sun, 17 Sep 2017 at 17:39 PDT (2,843 days ago) in Leo

162.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sun, 17 Sep 2017 at 17:39 PDT (2,843 days ago) in Leo

163.

Supernova SN2017gxq discovered A new supernova has been discovered in NGC 4964. Sat, 16 Sep 2017 (2,843 days ago)

164.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 3'22". Sat, 16 Sep 2017 at 11:23 PDT (2,844 days ago) in Leo

165.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 15 Sep 2017 at 05:33 PDT (2,845 days ago) in Leo

166.

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 09:06 PDT (2,847 days ago) in Taurus

167.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Wed, 13 Sep 2017 (2,847 days ago) in Leo

168.

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. Tue, 12 Sep 2017 at 23:25 PDT (2,848 days ago) in Taurus

169.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 12 Sep 2017 at 20:41 PDT (2,848 days ago) in Leo

170.

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 05:26 PDT (2,848 days ago) in Taurus

171.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Tue, 12 Sep 2017 at 02:19 PDT (2,848 days ago) in Leo

172.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Tue, 12 Sep 2017 at 01:42 PDT (2,848 days ago) in Taurus

173.

Comet 1I/`Oumuamua passes perihelion Comet 1I/`Oumuamua makes its closest approach to the Sun. Sat, 09 Sep 2017 (2,851 days ago) in Leo

174.

September ε-Perseid meteor shower 2017 The September ε-Perseid meteor shower reaches its peak. Sat, 09 Sep 2017 (2,851 days ago) in Perseus

175.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Thu, 07 Sep 2017 at 14:34 PDT (2,853 days ago) in Pegasus

176.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 06 Sep 2017 at 00:02 PDT (2,854 days ago) in Aquarius

177.

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. Tue, 05 Sep 2017 at 21:59 PDT (2,855 days ago) in Aquarius

178.

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. Mon, 04 Sep 2017 at 22:19 PDT (2,856 days ago) in Aquarius

179.

Supernova SN2017gmr discovered A new supernova has been discovered in NGC 988. Sun, 03 Sep 2017 (2,856 days ago)

180.

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 10:06 PDT (2,857 days ago) in Capricornus