1.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Fri, 25 Aug 2017 at 07:39 EDT (2,434 days ago) in Ophiuchus

2.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°29'. Fri, 25 Aug 2017 at 09:01 EDT (2,434 days ago) in Virgo

3.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 25 Aug 2017 at 11:11 EDT (2,434 days ago) in Virgo

4.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sat, 26 Aug 2017 at 16:37 EDT (2,433 days ago) in Sextans

5.

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. Tue, 29 Aug 2017 at 04:13 EDT (2,430 days ago) in Scorpius

6.

Asteroid 3122 Florence at opposition Asteroid 3122 Florence makes closest approach to the Earth. Tue, 29 Aug 2017 at 22:22 EDT (2,430 days ago) in Capricornus

7.

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, 30 Aug 2017 at 07:24 EDT (2,429 days ago) in Ophiuchus

8.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°33'. Wed, 30 Aug 2017 at 10:02 EDT (2,429 days ago) in Ophiuchus

9.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Wed, 30 Aug 2017 at 10:49 EDT (2,429 days ago) in Ophiuchus

10.

Aurigid meteor shower 2017 The Aurigid meteor shower reaches its peak. Thu, 31 Aug 2017 (2,427 days ago) in Auriga

11.

Close approach of Venus and M44 Venus and M44 pass close to each other. Fri, 01 Sep 2017 at 09:47 EDT (2,427 days ago) in Cancer

12.

Supernova SN2017glq discovered A new supernova has been discovered in IC 208. Fri, 01 Sep 2017 (2,426 days ago)

13.

Supernova SN2017glx discovered A new supernova has been discovered in NGC 6824. Sat, 02 Sep 2017 (2,425 days ago)

14.

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 (2,425 days ago) in Capricornus

15.

Supernova SN2017gmr discovered A new supernova has been discovered in NGC 988. Sun, 03 Sep 2017 (2,424 days ago)

16.

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 (2,423 days ago) in Aquarius

17.

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 (2,422 days ago) in Aquarius

18.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 06 Sep 2017 at 03:02 EDT (2,422 days ago) in Aquarius

19.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Thu, 07 Sep 2017 at 12:46 EDT (2,421 days ago) in Pegasus

20.

September ε-Perseid meteor shower 2017 The September ε-Perseid meteor shower reaches its peak. Sat, 09 Sep 2017 (2,419 days ago) in Perseus