1.

New Moon The Moon disappears into the Sun's glare. Wed, 06 Oct 2021 at 07:06 EDT (13 days ago) in Virgo

2.

NGC 362 is well placed The globular cluster NGC 362 (mag 6.4) in Tucana is well placed in the sky. Thu, 07 Oct 2021 (12 days ago) in Tucana

3.

Mars at solar conjunction Mars is unobservable as it passes around the far side of the Sun. Thu, 07 Oct 2021 at 23:35 EDT (12 days ago) in Virgo

4.

The Moon at perihelion The Moon reaches its closest point to the Sun. Fri, 08 Oct 2021 at 11:45 EDT (11 days ago) in Libra

5.

The Moon at perigee The Moon appears large as it makes its closest approach to the Earth. Fri, 08 Oct 2021 at 13:27 EDT (11 days ago) in Libra

6.

Draconid meteor shower 2021 The Draconid meteor shower reaches its peak. Fri, 08 Oct 2021 (11 days ago) in Draco

7.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sat, 09 Oct 2021 at 12:14 EDT (10 days ago) in Virgo

8.

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 (10 days ago) in Scorpius

9.

Close approach of the Moon and Venus The Moon and Venus pass within 2°44' of each other. Sat, 09 Oct 2021 at 16:04 EDT (10 days ago) in Scorpius

10.

Southern Taurid meteor shower 2021 The Southern Taurid meteor shower reaches its peak. Sun, 10 Oct 2021 (9 days ago) in Cetus

11.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Oct 2021 at 22:41 EDT (9 days ago) in Capricornus

12.

δ-Aurigid meteor shower 2021 The δ-Aurigid meteor shower reaches its peak. Mon, 11 Oct 2021 (8 days ago) in Auriga

13.

Moon at First Quarter The Moon appears high in the sky at sunset and sets in the west at around midnight. Tue, 12 Oct 2021 at 23:25 EDT (7 days ago) in Sagittarius

14.

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 (5 days ago) in Capricornus

15.

Close approach of the Moon and Saturn The Moon and Saturn pass within 3°50' of each other. Thu, 14 Oct 2021 at 04:37 EDT (5 days ago) in Capricornus

16.

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 (4 days ago) in Capricornus

17.

Close approach of the Moon and Jupiter The Moon and Jupiter pass within 3°56' of each other. Fri, 15 Oct 2021 at 08:21 EDT (4 days ago) in Capricornus

18.

M33 is well placed The Triangulum galaxy (M33; mag 6.3) is well placed in the sky. Fri, 15 Oct 2021 (4 days ago) in Triangulum

19.

136199 Eris at opposition 136199 Eris is well placed in the sky. Sun, 17 Oct 2021 at 12:40 EDT (2 days ago) in Cetus

20.

The Moon at aphelion The Moon reaches its furthest point from the Sun. Sun, 17 Oct 2021 at 21:12 EDT (2 days ago) in Aquarius