21.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Antarctica. Sat, 28 Dec 2019 at 20:56 EDT (1,590 days ago) in Capricornus

22.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Sun, 29 Dec 2019 (1,589 days ago) in Monoceros

23.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 30 Dec 2019 at 00:25 EDT (1,588 days ago) in Sagittarius

24.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Mon, 30 Dec 2019 (1,588 days ago) in Monoceros

25.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Wed, 01 Jan 2020 at 20:30 EDT (1,586 days ago) in Pisces

26.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.5) in Canis Major culminates at around midnight local time. Thu, 02 Jan 2020 (1,585 days ago) in Canis Major

27.

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. Thu, 02 Jan 2020 at 23:46 EDT (1,584 days ago) in Cetus

28.

Quadrantid meteor shower 2020 The Quadrantid meteor shower reaches its peak. Sat, 04 Jan 2020 (1,583 days ago) in Bootes

29.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (1,582 days ago) in Pisces

30.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 10 Jan 2020 at 10:32 EDT (1,577 days ago) in Sagittarius

31.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Asia, Russia, Africa, Europe, Oceania, Greenland, north-eastern Canada and Alaska. Fri, 10 Jan 2020 at 14:10 EDT (1,577 days ago) in Gemini

32.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 10 Jan 2020 at 14:21 EDT (1,577 days ago) in Gemini

33.

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. Fri, 10 Jan 2020 at 16:08 EDT (1,577 days ago) in Gemini

34.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (1,577 days ago) in Aries

35.

Supernova SN2020ue discovered A new supernova has been discovered in NGC 4636. Sat, 11 Jan 2020 (1,575 days ago)

36.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 11 Jan 2020 at 19:50 EDT (1,576 days ago) in Cancer

37.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 10:06 EDT (1,574 days ago) in Sagittarius

38.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 15:18 EDT (1,574 days ago) in Sagittarius

39.

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. Mon, 13 Jan 2020 at 15:21 EDT (1,574 days ago) in Leo

40.

1 Ceres at solar conjunction 1 Ceres 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, 14 Jan 2020 at 00:44 EDT (1,573 days ago) in Sagittarius