1.

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 (1,312 days ago) in Scorpius

2.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Tue, 22 Sep 2020 at 09:23 EDT (1,311 days ago) in Virgo

3.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Wed, 23 Sep 2020 (1,310 days ago) in Virgo

4.

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. Wed, 23 Sep 2020 at 21:55 EDT (1,310 days ago) in Sagittarius

5.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Thu, 24 Sep 2020 (1,309 days ago) in Sculptor

6.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°35'. Fri, 25 Sep 2020 at 02:48 EDT (1,308 days ago) in Sagittarius

7.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 25 Sep 2020 at 02:56 EDT (1,308 days ago) in Sagittarius

8.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Fri, 25 Sep 2020 (1,308 days ago) in Scorpius

9.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°19'. Fri, 25 Sep 2020 at 16:38 EDT (1,308 days ago) in Sagittarius

10.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 25 Sep 2020 at 17:06 EDT (1,308 days ago) in Sagittarius

11.

Daytime Sextantid meteor shower 2020 The Daytime Sextantid meteor shower reaches its peak. Sun, 27 Sep 2020 (1,306 days ago) in Sextans

12.

47 Tuc is well placed The second brightest globular cluster in the sky, 47 Tuc (NGC 104; mag 4.0), in Tucana culminates at around midnight local time. Sun, 27 Sep 2020 (1,306 days ago) in Tucana

13.

Supernova SN2020ukx discovered A new supernova has been discovered in NGC 2784. Sun, 27 Sep 2020 (1,305 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. Mon, 28 Sep 2020 at 20:50 EDT (1,305 days ago) in Aquarius

15.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Tue, 29 Sep 2020 at 00:44 EDT (1,304 days ago) in Sagittarius

16.

136472 Makemake at solar conjunction 136472 Makemake is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 29 Sep 2020 at 04:25 EDT (1,304 days ago) in Coma Berenices

17.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 01 Oct 2020 at 06:43 EDT (1,302 days ago) in Virgo

18.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 01 Oct 2020 at 17:05 EDT (1,302 days ago) in Cetus

19.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Thu, 01 Oct 2020 (1,302 days ago) in Andromeda

20.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 43'. Fri, 02 Oct 2020 at 23:24 EDT (1,301 days ago) in Pisces