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 (1,365 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 (1,364 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 (1,363 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 (1,363 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 (1,362 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 (1,361 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 (1,361 days ago) in Sagittarius

8.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Fri, 25 Sep 2020 (1,361 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 (1,361 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 (1,361 days ago) in Sagittarius

11.

Daytime Sextantid meteor shower 2020 The Daytime Sextantid meteor shower reaches its peak. Sun, 27 Sep 2020 (1,359 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 (1,359 days ago) in Tucana

13.

Supernova SN2020ukx discovered A new supernova has been discovered in NGC 2784. Sun, 27 Sep 2020 (1,358 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 (1,358 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 (1,357 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 04:23 EDT (1,357 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 (1,355 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 (1,355 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 (1,355 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 (1,354 days ago) in Pisces