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 (2,384 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 (2,384 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 (2,384 days ago) in Sagittarius

4.

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. Wed, 02 Jan 2019 (2,383 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 (2,383 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 (2,382 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 (2,382 days ago) in Ophiuchus

8.

Quadrantid meteor shower 2019 The Quadrantid meteor shower reaches its peak. Thu, 03 Jan 2019 (2,381 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 (2,381 days ago) in Sagittarius

10.

Venus at dichotomy Venus reaches half phase in the dawn sky. Sat, 05 Jan 2019 at 11:21 PDT (2,380 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 (2,380 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 (2,380 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 (2,380 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 (2,380 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 (2,379 days ago) in Pisces

16.

Supernova SN2019np discovered A new supernova has been discovered in NGC 3254. Tue, 08 Jan 2019 (2,376 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 (2,377 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 04:20 PDT (2,374 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 (2,373 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 (2,373 days ago) in Pisces