21.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sat, 09 Oct 2021 at 12:14 EDT (932 days ago) in Virgo

22.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°51'. Sat, 09 Oct 2021 at 14:35 EDT (932 days ago) in Scorpius

23.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 09 Oct 2021 at 16:04 EDT (932 days ago) in Scorpius

24.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab) creating a lunar occultation, though it will open be visible only at sea. Sat, 09 Oct 2021 at 16:58 EDT (932 days ago) in Scorpius

25.

Southern Taurid meteor shower 2021 The Southern Taurid meteor shower reaches its peak. Sun, 10 Oct 2021 (931 days ago) in Cetus

26.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Oct 2021 at 22:41 EDT (931 days ago) in Capricornus

27.

δ-Aurigid meteor shower 2021 The δ-Aurigid meteor shower reaches its peak. Mon, 11 Oct 2021 (930 days ago) in Auriga

28.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Madagascar, Indonesia, India and Sri Lanka amongst others. Tue, 12 Oct 2021 at 10:49 EDT (929 days ago) in Sagittarius

29.

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. Tue, 12 Oct 2021 at 23:25 EDT (929 days ago) in Sagittarius

30.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°56'. Thu, 14 Oct 2021 at 03:08 EDT (927 days ago) in Capricornus

31.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 14 Oct 2021 at 04:37 EDT (927 days ago) in Capricornus

32.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°08'. Fri, 15 Oct 2021 at 06:02 EDT (926 days ago) in Capricornus

33.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 15 Oct 2021 at 08:21 EDT (926 days ago) in Capricornus

34.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Fri, 15 Oct 2021 (926 days ago) in Triangulum

35.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 17 Oct 2021 at 12:40 EDT (924 days ago) in Cetus

36.

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, 17 Oct 2021 at 21:12 EDT (924 days ago) in Aquarius

37.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 18 Oct 2021 at 01:13 EDT (923 days ago) in Capricornus

38.

ε-Geminid meteor shower 2021 The ε-Geminid meteor shower reaches its peak. Mon, 18 Oct 2021 (923 days ago) in Gemini

39.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 19 Oct 2021 at 19:51 EDT (922 days ago) in Virgo

40.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 20 Oct 2021 at 10:56 EDT (921 days ago) in Pisces