21.

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 (1,183 days ago) in Aries

22.

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 (1,183 days ago) in Aries

23.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,182 days ago) in Vela

24.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Sat, 23 Jan 2021 (1,181 days ago) in Vela

25.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 23 Jan 2021 at 18:10 PDT (1,181 days ago) in Capricornus

26.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 23 Jan 2021 at 18:51 PDT (1,181 days ago) in Capricornus

27.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 24 Jan 2021 (1,179 days ago) in Capricornus

28.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Sun, 24 Jan 2021 at 18:22 PDT (1,180 days ago) in Cancer

29.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sun, 24 Jan 2021 at 23:45 PDT (1,179 days ago) in Capricornus

30.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 27 Jan 2021 at 18:16 PDT (1,177 days ago) in Capricornus

31.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 28 Jan 2021 at 11:16 PDT (1,176 days ago) in Cancer

32.

Conjunction of Venus and Pluto Venus and Pluto share the same right ascension, at a separation of 44'. Thu, 28 Jan 2021 at 16:52 PDT (1,176 days ago) in Sagittarius

33.

Jupiter at solar conjunction Jupiter 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, 28 Jan 2021 at 17:28 PDT (1,176 days ago) in Capricornus

34.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Thu, 28 Jan 2021 at 18:03 PDT (1,176 days ago) in Capricornus

35.

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. Fri, 29 Jan 2021 at 08:27 PDT (1,175 days ago) in Leo

36.

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. Sat, 30 Jan 2021 (1,174 days ago) in Cancer

37.

The Omicron Velorum cluster is well placed The Omicron Velorum open star cluster (IC 2391; mag 2.5) in Vela culminates at around midnight local time. Sun, 31 Jan 2021 (1,173 days ago) in Vela

38.

The cluster IC 2395 is well placed The open star cluster IC 2395 (mag 4.0) in Vela culminates at around midnight local time. Sun, 31 Jan 2021 (1,173 days ago) in Vela

39.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene makes closest approach to the Earth. Tue, 02 Feb 2021 at 06:22 PDT (1,171 days ago) in Cancer

40.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 03 Feb 2021 at 11:02 PDT (1,170 days ago) in Virgo