1.

Moon at Last Quarter The Moon rises in the east at around midnight and appears high in the sky at sunrise. Fri, 23 Aug 2019 at 10:56 EST (188 days ago) in Taurus

2.

Mars at aphelion Mars reaches its furthest point from the Sun. Sun, 25 Aug 2019 at 21:14 EST (186 days ago) in Leo

3.

Close approach of the Moon and M44 The Moon and M44 pass within 0°33' of each other. Wed, 28 Aug 2019 at 08:12 EST (183 days ago) in Cancer

4.

Mars at apogee Mars reaches its furthest point from the Earth. Wed, 28 Aug 2019 at 15:32 EST (183 days ago) in Leo

5.

New Moon The Moon disappears into the Sun's glare. Fri, 30 Aug 2019 at 06:37 EST (181 days ago) in Leo

6.

The Moon at perigee The Moon appears large as it makes its closest approach to the Earth. Fri, 30 Aug 2019 at 11:53 EST (181 days ago) in Leo

7.

The Moon at perihelion The Moon reaches its closest point to the Sun. Sun, 01 Sep 2019 at 01:40 EST (179 days ago) in Virgo

8.

Aurigid meteor shower The Aurigid meteor shower reaches its peak. Sun, 01 Sep 2019 (179 days ago) in Auriga

9.

Mars at solar conjunction Mars is unobservable as it passes around the far side of the Sun. Mon, 02 Sep 2019 at 07:00 EST (178 days ago) in Leo

10.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 03 Sep 2019 at 21:25 EST (177 days ago) in Leo

11.

C/2018 W2 (Africano) at perihelion C/2018 W2 (Africano) makes its closest approach to the Sun. Thu, 05 Sep 2019 (175 days ago) in Perseus

12.

Moon at First Quarter The Moon appears high in the sky at sunset and sets in the west at around midnight. Thu, 05 Sep 2019 at 23:11 EST (175 days ago) in Ophiuchus

13.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°18'. Fri, 06 Sep 2019 at 02:51 EST (174 days ago) in Ophiuchus

14.

Close approach of the Moon and Jupiter The Moon and Jupiter pass within 2°15' of each other. Fri, 06 Sep 2019 at 03:39 EST (174 days ago) in Ophiuchus

15.

Asteroid 135 Hertha at opposition Asteroid 135 Hertha is well placed for observation. Fri, 06 Sep 2019 at 05:34 EST (174 days ago) in Aquarius

16.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 0°02'. Sun, 08 Sep 2019 at 09:41 EST (172 days ago) in Sagittarius

17.

Close approach of the Moon and Saturn The Moon and Saturn pass within 0°02' of each other. Sun, 08 Sep 2019 at 09:41 EST (172 days ago) in Sagittarius

18.

Close approach of the Moon and Pluto The Moon and Pluto pass within 0°03' of each other. Sun, 08 Sep 2019 at 23:36 EST (172 days ago) in Sagittarius

19.

September ε-Perseid meteor shower The September ε-Perseid meteor shower reaches its peak. Mon, 09 Sep 2019 (171 days ago) in Perseus

20.

Neptune at opposition Neptune is well placed for observation. Tue, 10 Sep 2019 at 03:08 EST (170 days ago) in Aquarius