1.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Sat, 29 Dec 2029 (2,082 days away) in Monoceros

2.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sat, 29 Dec 2029 at 05:23 PDT (2,082 days away) in Capricornus

3.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Fri, 28 Dec 2029 (2,081 days away) in Monoceros

4.

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. Fri, 28 Dec 2029 at 01:49 PDT (2,081 days away) in Virgo

5.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Thu, 27 Dec 2029 at 14:42 PDT (2,080 days away) in Sagittarius

6.

Conjunction of Mars and Pluto Mars and Pluto share the same right ascension, at a separation of 4°38'. Wed, 26 Dec 2029 at 14:10 PDT (2,079 days away) in Capricornus

7.

Ursid meteor shower 2029 The Ursid meteor shower reaches its peak. Sat, 22 Dec 2029 (2,075 days away) in Ursa Minor

8.

December solstice 21 December will be the shortest day of 2029 in the northern hemisphere. Fri, 21 Dec 2029 at 06:20 PDT (2,074 days away) in Sagittarius

9.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 20 Dec 2029 at 14:46 PDT (2,073 days away) in Taurus

10.

Total lunar eclipse There will be an eclipse of the Moon, visible from the Americas, Asia, Russia, Africa and Europe. Thu, 20 Dec 2029 at 14:42 PDT (2,073 days away) in Taurus

11.

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. Wed, 19 Dec 2029 at 17:10 PDT (2,072 days away) in Taurus

12.

December Leonis Minorid meteor shower 2029 The December Leonis Minorid meteor shower reaches its peak. Wed, 19 Dec 2029 (2,073 days away) in Leo Minor

13.

Lunar occultation of Uranus The Moon will pass in front of Uranus, creating a lunar occultation visible from countries and territories including Russia, Greenland, Mongolia and China amongst others. Wed, 19 Dec 2029 at 12:43 PDT (2,072 days away) in Taurus

14.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Wed, 19 Dec 2029 at 12:43 PDT (2,072 days away) in Taurus

15.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 19 Dec 2029 at 01:43 PDT (2,072 days away) in Cetus

16.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 5°38'. Mon, 17 Dec 2029 at 09:31 PDT (2,070 days away) in Aries

17.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 17 Dec 2029 at 07:16 PDT (2,070 days away) in Aries

18.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 17 Dec 2029 at 03:54 PDT (2,070 days away) in Sagittarius

19.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 16 Dec 2029 (2,070 days away) in Sagittarius

20.

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. Sun, 16 Dec 2029 at 05:58 PDT (2,069 days away) in Aries