21.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 13 Oct 2019 at 17:07 EDT (1,647 days ago) in Pisces

22.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Tue, 15 Oct 2019 (1,645 days ago) in Triangulum

23.

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. Thu, 17 Oct 2019 at 13:12 EDT (1,643 days ago) in Cetus

24.

ε-Geminid meteor shower 2019 The ε-Geminid meteor shower reaches its peak. Fri, 18 Oct 2019 (1,642 days ago) in Gemini

25.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Fri, 18 Oct 2019 (1,641 days ago) in Libra

26.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 19 Oct 2019 at 20:52 EDT (1,641 days ago) in Libra

27.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 20 Oct 2019 at 03:11 EDT (1,640 days ago) in Bootes

28.

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. Mon, 21 Oct 2019 at 08:39 EDT (1,639 days ago) in Gemini

29.

Orionid meteor shower 2019 The Orionid meteor shower reaches its peak. Mon, 21 Oct 2019 (1,639 days ago) in Orion

30.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Tue, 22 Oct 2019 at 01:33 EDT (1,638 days ago) in Cancer

31.

Conjunction of Jupiter and Ceres Jupiter and Ceres share the same right ascension, at a separation of 2°51'. Wed, 23 Oct 2019 at 21:36 EDT (1,637 days ago) in Ophiuchus

32.

Leonis Minorid meteor shower 2019 The Leonis Minorid meteor shower reaches its peak. Thu, 24 Oct 2019 (1,636 days ago) in Leo Minor

33.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 25 Oct 2019 at 08:02 EDT (1,635 days ago) in Libra

34.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Sat, 26 Oct 2019 at 00:46 EDT (1,634 days ago) in Cetus

35.

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. Sat, 26 Oct 2019 at 06:39 EDT (1,634 days ago) in Virgo

36.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°31'. Sat, 26 Oct 2019 at 12:51 EDT (1,634 days ago) in Virgo

37.

The Perseus Double Cluster is well placed The Perseus Double Cluster (NGC 869 and NGC 884; combined mag 4.3) culminates at around midnight local time. Sun, 27 Oct 2019 (1,633 days ago) in Perseus

38.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 27 Oct 2019 at 23:39 EDT (1,633 days ago) in Virgo

39.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Mon, 28 Oct 2019 at 04:07 EDT (1,632 days ago) in Aries

40.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°54'. Tue, 29 Oct 2019 at 09:31 EDT (1,631 days ago) in Libra