1.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Tue, 27 Nov 2018 at 04:09 EST (14 days ago) in Scorpius

2.

Close approach of the Moon and M44 The Moon and M44 pass within 0°25' of each other. Tue, 27 Nov 2018 at 16:23 EST (14 days ago) in Cancer

3.

C/2016 N6 (PANSTARRS) reaches its brightest C/2016 N6 (PANSTARRS) is well placed for observation. Wed, 28 Nov 2018 (13 days ago) in Hydra

4.

Mercury at perihelion Mercury reaches its closest point to the Sun. Thu, 29 Nov 2018 at 03:47 EST (12 days ago) in Libra

5.

Moon at Last Quarter The Moon rises in the east at around midnight and appears high in the sky at sunrise. Thu, 29 Nov 2018 at 19:20 EST (12 days ago) in Leo

6.

Venus at greatest brightness Venus reaches its greatest brightness in the dawn sky. Thu, 29 Nov 2018 at 21:23 EST (12 days ago) in Virgo

7.

69P/Taylor reaches its brightest 69P/Taylor is well placed for observation. Sun, 02 Dec 2018 (9 days ago) in Eridanus

8.

C/2018 L2 (ATLAS) at perihelion C/2018 L2 (ATLAS) makes its closest approach to the Sun. Sun, 02 Dec 2018 (8 days ago) in Ophiuchus

9.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°37'. Mon, 03 Dec 2018 at 13:43 EST (8 days ago) in Virgo

10.

Close approach of the Moon and Venus The Moon and Venus pass within 3°22' of each other. Mon, 03 Dec 2018 at 16:11 EST (8 days ago) in Virgo

11.

C/2018 L2 (ATLAS) reaches its brightest C/2018 L2 (ATLAS) is well placed for observation. Wed, 05 Dec 2018 (6 days ago) in Ophiuchus

12.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°52'. Wed, 05 Dec 2018 at 16:07 EST (6 days ago) in Libra

13.

New Moon The Moon disappears into the Sun's glare. Fri, 07 Dec 2018 at 02:22 EST (4 days ago) in Ophiuchus

14.

Close approach of Mars and Neptune Mars and Neptune pass within 0°02' of each other. Fri, 07 Dec 2018 at 09:02 EST (4 days ago) in Aquarius

15.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 0°02'. Fri, 07 Dec 2018 at 09:40 EST (4 days ago) in Aquarius

16.

The Moon at perihelion The Moon reaches its closest point to the Sun. Sat, 08 Dec 2018 at 13:40 EST (3 days ago) in Sagittarius

17.

Asteroid 40 Harmonia at opposition Asteroid 40 Harmonia is well placed for observation. Sat, 08 Dec 2018 at 14:11 EST (3 days ago) in Taurus

18.

Puppid–Velid meteor shower The Puppid–Velid meteor shower reaches its peak. Sat, 08 Dec 2018 (2 days ago) in Ophiuchus

19.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°07'. Sun, 09 Dec 2018 at 00:19 EST (2 days ago) in Sagittarius

20.

38P/Stephan-Oterma reaches its brightest 38P/Stephan-Oterma is well placed for observation. Tue, 11 Dec 2018 (Today) in Cancer