1.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°16'. Tue, 01 Jan 2019 at 13:48 PDT (1,731 days ago) in Libra

2.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 01 Jan 2019 at 14:33 PDT (1,731 days ago) in Libra

3.

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. Tue, 01 Jan 2019 at 21:40 PDT (1,731 days ago) in Sagittarius

4.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.6) in Canis Major culminates at around midnight local time. Wed, 02 Jan 2019 (1,730 days ago) in Canis Major

5.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 02 Jan 2019 at 21:19 PDT (1,730 days ago) in Pisces

6.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°07'. Wed, 02 Jan 2019 at 23:35 PDT (1,729 days ago) in Ophiuchus

7.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 03 Jan 2019 at 00:47 PDT (1,729 days ago) in Ophiuchus

8.

Quadrantid meteor shower 2019 The Quadrantid meteor shower reaches its peak. Thu, 03 Jan 2019 (1,728 days ago) in Bootes

9.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°45'. Fri, 04 Jan 2019 at 09:39 PDT (1,728 days ago) in Sagittarius

10.

Venus at dichotomy Venus reaches half phase in the dawn sky. Sat, 05 Jan 2019 at 11:21 PDT (1,727 days ago) in Libra

11.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 05 Jan 2019 at 17:29 PDT (1,727 days ago) in Sagittarius

12.

Partial solar eclipse There will be an eclipse of the Sun, visible from eastern Russia, Eastern Asia and Alaska. Sat, 05 Jan 2019 at 17:41 PDT (1,727 days ago) in Sagittarius

13.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sat, 05 Jan 2019 at 18:16 PDT (1,727 days ago) in Sagittarius

14.

Venus at greatest elongation west Venus is bright and well placed in the dawn sky. Sat, 05 Jan 2019 at 22:16 PDT (1,727 days ago) in Libra

15.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 06 Jan 2019 at 13:06 PDT (1,726 days ago) in Pisces

16.

Supernova SN2019np discovered A new supernova has been discovered in NGC 3254. Tue, 08 Jan 2019 (1,723 days ago)

17.

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. Tue, 08 Jan 2019 at 20:28 PDT (1,724 days ago) in Capricornus

18.

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 10:10 PDT (1,721 days ago) in Sagittarius

19.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 12 Jan 2019 at 00:23 PDT (1,720 days ago) in Sagittarius

20.

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 11:47 PDT (1,720 days ago) in Pisces