1.

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. Fri, 11 Jan 2019 at 13:15 EDT (1,931 days ago) in Sagittarius

2.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 12 Jan 2019 at 03:23 EDT (1,930 days ago) in Sagittarius

3.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°20'. Sat, 12 Jan 2019 at 14:47 EDT (1,930 days ago) in Pisces

4.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 12 Jan 2019 at 18:51 EDT (1,930 days ago) in Pisces

5.

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. Mon, 14 Jan 2019 at 01:46 EDT (1,928 days ago) in Pisces

6.

The cluster Messier 47 is well placed The open star cluster M47 (NGC 2422; mag 4.4) in Puppis culminates at around midnight local time. Tue, 15 Jan 2019 (1,927 days ago) in Puppis

7.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Tue, 15 Jan 2019 (1,927 days ago) in Camelopardalis

8.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Thu, 17 Jan 2019 (1,925 days ago) in Puppis

9.

γ-Ursae Minorid meteor shower 2019 The γ-Ursae Minorid meteor shower reaches its peak. Sat, 19 Jan 2019 (1,923 days ago) in Ursa Minor

10.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Sun, 20 Jan 2019 (1,922 days ago) in Carina

11.

Total lunar eclipse There will be an eclipse of the Moon, visible from the Americas, north-western Russia, Africa, Europe and Alaska. Mon, 21 Jan 2019 at 00:13 EDT (1,921 days ago) in Cancer

12.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 21 Jan 2019 at 00:16 EDT (1,921 days ago) in Cancer

13.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Mon, 21 Jan 2019 at 10:57 EDT (1,921 days ago) in Cancer

14.

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, 21 Jan 2019 at 14:59 EDT (1,921 days ago) in Cancer

15.

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, 21 Jan 2019 at 15:08 EDT (1,921 days ago) in Cancer

16.

Conjunction of Venus and Jupiter Venus and Jupiter share the same right ascension, at a separation of 2°26'. Tue, 22 Jan 2019 at 00:40 EDT (1,920 days ago) in Ophiuchus

17.

Close approach of Venus and Jupiter Venus and Jupiter pass within 2°24' of each other. Tue, 22 Jan 2019 at 10:14 EDT (1,920 days ago) in Ophiuchus

18.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Wed, 23 Jan 2019 (1,919 days ago) in Vela

19.

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. Sun, 27 Jan 2019 at 16:10 EDT (1,915 days ago) in Libra

20.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 29 Jan 2019 at 22:03 EDT (1,913 days ago) in Capricornus