1.

C/2021 A2 at perihelion C/2021 A2 makes its closest approach to the Sun. Fri, 22 Jan 2021 (45 days ago) in Vela

2.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 23 Jan 2021 at 20:59 EST (44 days ago) in Capricornus

3.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun. Sat, 23 Jan 2021 at 22:04 EST (44 days ago) in Capricornus

4.

Asteroid 14 Irene at opposition Asteroid 14 Irene is well placed for observation. Sun, 24 Jan 2021 at 09:22 EST (43 days ago) in Cancer

5.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 25 Jan 2021 at 02:37 EST (42 days ago) in Capricornus

6.

Mercury reaches highest point in evening sky Mercury is bright and well placed in the evening sky. Tue, 26 Jan 2021 (40 days ago) in Capricornus

7.

Full Moon The Moon is visible for much of the night. Thu, 28 Jan 2021 at 14:16 EST (39 days ago) in Cancer

8.

Conjunction of Venus and Pluto Venus and Pluto share the same right ascension, at a separation of 0°44'. Thu, 28 Jan 2021 at 19:35 EST (39 days ago) in Sagittarius

9.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun. Thu, 28 Jan 2021 at 20:44 EST (39 days ago) in Capricornus

10.

Mercury at perihelion Mercury reaches its closest point to the Sun. Thu, 28 Jan 2021 at 21:08 EST (39 days ago) in Capricornus

11.

The Moon at aphelion The Moon reaches its furthest point from the Sun. Fri, 29 Jan 2021 at 11:28 EST (38 days ago) in Leo

12.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene is well placed for observation. Tue, 02 Feb 2021 at 16:34 EST (34 days ago) in Cancer

13.

The Moon at perigee The Moon appears large as it makes its closest approach to the Earth. Wed, 03 Feb 2021 at 14:02 EST (33 days ago) in Virgo

14.

Moon at Last Quarter The Moon rises in the east at around midnight and appears high in the sky at sunrise. Thu, 04 Feb 2021 at 12:37 EST (32 days ago) in Libra

15.

α-Centaurid meteor shower 2021 The α-Centaurid meteor shower reaches its peak. Sun, 07 Feb 2021 (28 days ago) in Centaurus

16.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Mon, 08 Feb 2021 at 08:41 EST (28 days ago) in Aquarius

17.

The Moon at perihelion The Moon reaches its closest point to the Sun. Wed, 10 Feb 2021 at 04:48 EST (26 days ago) in Capricornus

18.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°24'. Wed, 10 Feb 2021 at 06:11 EST (26 days ago) in Capricornus

19.

New Moon The Moon disappears into the Sun's glare. Thu, 11 Feb 2021 at 14:06 EST (25 days ago) in Capricornus

20.

The Moon at apogee The Moon appears small as it recedes to its furthest point from the Earth. Thu, 18 Feb 2021 at 05:21 EST (18 days ago) in Aries