21.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 17 Jan 2028 at 13:23 EDT (1,361 days away) in Capricornus

22.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Mon, 17 Jan 2028 (1,361 days away) in Puppis

23.

Asteroid 3 Juno at opposition Asteroid 3 Juno makes closest approach to the Earth. Tue, 18 Jan 2028 at 11:46 EDT (1,362 days away) in Canis Minor

24.

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. Tue, 18 Jan 2028 at 14:26 EDT (1,362 days away) in Virgo

25.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 19 Jan 2028 at 02:44 EDT (1,363 days away) in Capricornus

26.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Wed, 19 Jan 2028 (1,363 days away) in Capricornus

27.

γ-Ursae Minorid meteor shower 2028 The γ-Ursae Minorid meteor shower reaches its peak. Wed, 19 Jan 2028 (1,363 days away) in Ursa Minor

28.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Thu, 20 Jan 2028 (1,364 days away) in Carina

29.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including India, China, Myanmar and Thailand amongst others. Fri, 21 Jan 2028 at 19:35 EDT (1,365 days away) in Scorpius

30.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 23 Jan 2028 at 23:40 EDT (1,368 days away) in Aquarius

31.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Mon, 24 Jan 2028 (1,368 days away) in Vela

32.

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, 25 Jan 2028 at 10:51 EDT (1,369 days away) in Sagittarius

33.

Annular solar eclipse There will be an eclipse of the Sun, visible from northern Brazil, southern Ecuador, northern Peru and Spain. Wed, 26 Jan 2028 at 10:08 EDT (1,370 days away) in Capricornus

34.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 26 Jan 2028 at 10:13 EDT (1,370 days away) in Capricornus

35.

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, 27 Jan 2028 at 09:31 EDT (1,371 days away) in Capricornus

36.

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. Fri, 28 Jan 2028 at 10:31 EDT (1,372 days away) in Aquarius

37.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sun, 30 Jan 2028 at 03:32 EDT (1,374 days away) in Aquarius

38.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°26'. Sun, 30 Jan 2028 at 09:03 EDT (1,374 days away) in Aquarius

39.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Mon, 31 Jan 2028 at 04:34 EDT (1,375 days away) in Cancer

40.

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. Mon, 31 Jan 2028 (1,375 days away) in Cancer