1.

Conjunction of Mars and Uranus Mars and Uranus share the same right ascension, at a separation of 1°43'. Thu, 21 Jan 2021 at 15:41 PDT (1,633 days ago) in Aries

2.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Thu, 21 Jan 2021 at 13:34 PDT (1,633 days ago) in Cancer

3.

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. Thu, 21 Jan 2021 at 05:10 PDT (1,633 days ago) in Aries

4.

Close approach of the Moon, Mars and Uranus The Moon, Mars and Uranus pass close to one another. Thu, 21 Jan 2021 at 01:49 PDT (1,633 days ago) in Aries

5.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°03'. Wed, 20 Jan 2021 at 21:35 PDT (1,634 days ago) in Aries

6.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Wed, 20 Jan 2021 (1,634 days ago) in Carina

7.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 20 Jan 2021 at 13:02 PDT (1,634 days ago) in Pisces

8.

γ-Ursae Minorid meteor shower 2021 The γ-Ursae Minorid meteor shower reaches its peak. Mon, 18 Jan 2021 (1,635 days ago) in Ursa Minor

9.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Sat, 16 Jan 2021 (1,638 days ago) in Puppis

10.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Thu, 14 Jan 2021 (1,640 days ago) in Camelopardalis

11.

The cluster Messier 47 is well placed The open star cluster M47 (NGC 2422; mag 4.4) in Puppis culminates at around midnight local time. Thu, 14 Jan 2021 (1,640 days ago) in Puppis

12.

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. Thu, 14 Jan 2021 at 06:36 PDT (1,640 days ago) in Sagittarius

13.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 14 Jan 2021 at 01:12 PDT (1,640 days ago) in Aries

14.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°19'. Thu, 14 Jan 2021 at 00:14 PDT (1,640 days ago) in Capricornus

15.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 12 Jan 2021 at 21:01 PDT (1,642 days ago) in Sagittarius

16.

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. Tue, 12 Jan 2021 at 15:50 PDT (1,642 days ago) in Sagittarius

17.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°29'. Mon, 11 Jan 2021 at 12:10 PDT (1,643 days ago) in Sagittarius

18.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°35'. Mon, 11 Jan 2021 at 10:33 PDT (1,643 days ago) in Aquarius

19.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 1°28'. Mon, 11 Jan 2021 at 03:09 PDT (1,643 days ago) in Capricornus

20.

Conjunction of Mercury and Saturn Mercury and Saturn share the same right ascension, at a separation of 1°40'. Sat, 09 Jan 2021 at 13:18 PDT (1,645 days ago) in Capricornus