21.

Comet C/2022 E3 (ZTF) passes perigee Comet C/2022 E3 (ZTF) makes its closest approach to the Earth. Wed, 01 Feb 2023 (440 days ago) in Camelopardalis

22.

Comet C/2022 E3 (ZTF) reaches peak brightness Comet C/2022 E3 (ZTF) is forecast to reach the brightest point in its 2023 apparition. Wed, 01 Feb 2023 (440 days ago) in Camelopardalis

23.

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, 04 Feb 2023 at 03:54 EDT (437 days ago) in Cancer

24.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 05 Feb 2023 at 13:28 EDT (436 days ago) in Cancer

25.

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. Tue, 07 Feb 2023 at 03:59 EDT (434 days ago) in Leo

26.

α-Centaurid meteor shower 2023 The α-Centaurid meteor shower reaches its peak. Wed, 08 Feb 2023 (433 days ago) in Centaurus

27.

NGC 2808 is well placed The globular cluster NGC 2808 (mag 6.2) in Carina culminates at around midnight local time. Wed, 08 Feb 2023 (433 days ago) in Carina

28.

Conjunction of Mercury and Pluto Mercury and Pluto share the same right ascension, at a separation of 1°34'. Sat, 11 Feb 2023 at 00:04 EDT (430 days ago) in Sagittarius

29.

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. Mon, 13 Feb 2023 at 11:01 EDT (428 days ago) in Libra

30.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from countries and territories including Brazil, Bolivia, Paraguay and Guyana amongst others. Tue, 14 Feb 2023 at 01:36 EDT (427 days ago) in Scorpius

31.

Conjunction of Venus and Neptune Venus and Neptune share the same right ascension, at a separation of 47". Wed, 15 Feb 2023 at 07:19 EDT (426 days ago) in Aquarius

32.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 15 Feb 2023 at 15:00 EDT (426 days ago) in Capricornus

33.

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. Thu, 16 Feb 2023 at 11:38 EDT (425 days ago) in Aquarius

34.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki) creating a lunar occultation, though it will open be visible only at sea. Thu, 16 Feb 2023 at 20:47 EDT (425 days ago) in Sagittarius

35.

Comet C/2022 A2 (PANSTARRS) passes perihelion Comet C/2022 A2 (PANSTARRS) makes its closest approach to the Sun. Sat, 18 Feb 2023 (423 days ago) in Cygnus

36.

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. Sat, 18 Feb 2023 at 13:53 EDT (423 days ago) in Capricornus

37.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°35'. Sat, 18 Feb 2023 at 15:52 EDT (423 days ago) in Capricornus

38.

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. Sun, 19 Feb 2023 at 04:05 EDT (422 days ago) in Capricornus

39.

Messier 81 is well placed Bode's Galaxy M81 (NGC 3031; mag 6.9) in Ursa Major culminates at around midnight local time. Sun, 19 Feb 2023 (422 days ago) in Ursa Major

40.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 20 Feb 2023 at 02:06 EDT (421 days ago) in Aquarius