681.

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 (1,409 days ago) in Pisces

682.

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 (1,409 days ago) in Pisces

683.

September ε-Perseid meteor shower 2020 The September ε-Perseid meteor shower reaches its peak. Wed, 09 Sep 2020 (1,406 days ago) in Perseus

684.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Wed, 09 Sep 2020 at 18:21 EDT (1,406 days ago) in Pisces

685.

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 (1,405 days ago) in Taurus

686.

Asteroid 19 Fortuna at opposition Asteroid 19 Fortuna makes closest approach to the Earth. Thu, 10 Sep 2020 at 12:46 EDT (1,405 days ago) in Pisces

687.

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 (1,404 days ago) in Aquarius

688.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 12 Sep 2020 at 20:47 EDT (1,403 days ago) in Sagittarius

689.

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 (1,401 days ago) in Cancer

690.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 14 Sep 2020 at 02:22 EDT (1,401 days ago) in Cancer

691.

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 (1,400 days ago) in Sextans

692.

Supernova SN2020tlf discovered A new supernova has been discovered in NGC 5731. Tue, 15 Sep 2020 (1,399 days ago)

693.

Comet 88P/Howell reaches peak brightness Comet 88P/Howell is forecast to reach the brightest point in its 2020 apparition. Wed, 16 Sep 2020 (1,399 days ago) in Scorpius

694.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 17 Sep 2020 at 07:01 EDT (1,398 days ago) in Virgo

695.

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. Fri, 18 Sep 2020 at 09:47 EDT (1,397 days ago) in Virgo

696.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°25'. Fri, 18 Sep 2020 at 17:52 EDT (1,397 days ago) in Virgo

697.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Fri, 18 Sep 2020 at 23:23 EDT (1,397 days ago) in Virgo

698.

Conjunction of Mars and Eris Mars and Eris share the same right ascension, at a separation of 8°08'. Sat, 19 Sep 2020 at 00:57 EDT (1,396 days ago) in Cetus

699.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sat, 19 Sep 2020 at 09:06 EDT (1,396 days ago) in Virgo

700.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Nicaragua and Honduras amongst others. Mon, 21 Sep 2020 at 21:28 EDT (1,394 days ago) in Scorpius