1.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Tue, 17 Jan 2017 at 06:58 EDT (2,654 days ago) in Cancer

2.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Tue, 17 Jan 2017 (2,654 days ago) in Puppis

3.

γ-Ursae Minorid meteor shower 2017 The γ-Ursae Minorid meteor shower reaches its peak. Wed, 18 Jan 2017 (2,652 days ago) in Ursa Minor

4.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°41'. Thu, 19 Jan 2017 at 00:26 EDT (2,652 days ago) in Virgo

5.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 19 Jan 2017 at 02:08 EDT (2,652 days ago) in Virgo

6.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Thu, 19 Jan 2017 at 08:56 EDT (2,652 days ago) in Sagittarius

7.

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. Thu, 19 Jan 2017 at 17:14 EDT (2,652 days ago) in Virgo

8.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Fri, 20 Jan 2017 (2,651 days ago) in Carina

9.

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. Sat, 21 Jan 2017 at 19:13 EDT (2,650 days ago) in Libra

10.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Mon, 23 Jan 2017 (2,648 days ago) in Vela

11.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°36'. Tue, 24 Jan 2017 at 05:18 EDT (2,647 days ago) in Ophiuchus

12.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 24 Jan 2017 at 05:52 EDT (2,647 days ago) in Ophiuchus

13.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°42'. Wed, 25 Jan 2017 at 19:44 EDT (2,646 days ago) in Sagittarius

14.

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. Thu, 26 Jan 2017 at 12:06 EDT (2,645 days ago) in Sagittarius

15.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 27 Jan 2017 at 19:08 EDT (2,644 days ago) in Capricornus

16.

Conjunction of Mercury and Pluto Mercury and Pluto share the same right ascension, at a separation of 1°12'. Sun, 29 Jan 2017 at 17:07 EDT (2,642 days ago) in Sagittarius

17.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from countries and territories including China, Thailand, India and Laos amongst others. Mon, 30 Jan 2017 at 06:19 EDT (2,641 days ago) in Aquarius

18.

The Beehive cluster is well placed The Beehive open star cluster (M44, NGC 2632, also known as Praesepe; mag 3.1) culminates at around midnight local time. Mon, 30 Jan 2017 (2,641 days ago) in Cancer

19.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°03'. Tue, 31 Jan 2017 at 09:34 EDT (2,640 days ago) in Pisces

20.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 31 Jan 2017 at 11:52 EDT (2,640 days ago) in Pisces