1.

Supernova SN2020tlf discovered A new supernova has been discovered in NGC 5731. Tue, 15 Sep 2020 (1,318 days ago)

2.

Comet C/2020 K8 (Catalina-ATLAS) passes perihelion Comet C/2020 K8 (Catalina-ATLAS) makes its closest approach to the Sun. Tue, 15 Sep 2020 (1,319 days ago) in Sextans

3.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 14 Sep 2020 at 02:22 EDT (1,320 days ago) in Cancer

4.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°27'. Mon, 14 Sep 2020 at 00:43 EDT (1,320 days ago) in Cancer

5.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 12 Sep 2020 at 20:47 EDT (1,322 days ago) in Sagittarius

6.

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, 11 Sep 2020 at 16:17 EDT (1,323 days ago) in Aquarius

7.

Asteroid 19 Fortuna at opposition Asteroid 19 Fortuna makes closest approach to the Earth. Thu, 10 Sep 2020 at 15:10 EDT (1,324 days ago) in Pisces

8.

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. Thu, 10 Sep 2020 at 05:26 EDT (1,324 days ago) in Taurus

9.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Wed, 09 Sep 2020 at 18:21 EDT (1,325 days ago) in Pisces

10.

September ε-Perseid meteor shower 2020 The September ε-Perseid meteor shower reaches its peak. Wed, 09 Sep 2020 (1,325 days ago) in Perseus

11.

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. Sun, 06 Sep 2020 at 02:28 EDT (1,328 days ago) in Pisces

12.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1'36". Sun, 06 Sep 2020 at 00:45 EDT (1,328 days ago) in Pisces

13.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Africa, Western Asia, Southern Europe, South America, Bulgaria, Corsica, Madeira, the Savage Islands, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, the Canary Islands and RAF Akrotiri. Sun, 06 Sep 2020 at 00:44 EDT (1,328 days ago) in Pisces

14.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 06 Sep 2020 at 00:44 EDT (1,328 days ago) in Pisces

15.

Supernova SN2020ssf discovered A new supernova has been discovered in NGC 7722. Sat, 05 Sep 2020 (1,328 days ago)

16.

Venus at highest altitude in morning sky Venus is bright and well placed in the dawn sky. Wed, 02 Sep 2020 (1,332 days ago) in Gemini

17.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 02 Sep 2020 at 01:22 EDT (1,332 days ago) in Aquarius

18.

Conjunction of Mars and Eris Mars and Eris share the same right ascension, at a separation of 7°58'. Mon, 31 Aug 2020 at 21:57 EDT (1,334 days ago) in Cetus

19.

Aurigid meteor shower 2020 The Aurigid meteor shower reaches its peak. Mon, 31 Aug 2020 (1,334 days ago) in Auriga

20.

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, 30 Aug 2020 at 22:37 EDT (1,335 days ago) in Capricornus