1.

Comet 62P/Tsuchinshan reaches peak brightness Comet 62P/Tsuchinshan is forecast to reach the brightest point in its 2024 apparition. Mon, 01 Jan 2024 (547 days ago) in Leo

2.

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. Mon, 01 Jan 2024 at 07:28 PDT (547 days ago) in Leo

3.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.5) in Canis Major culminates at around midnight local time. Tue, 02 Jan 2024 (546 days ago) in Canis Major

4.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 02 Jan 2024 at 16:38 PDT (546 days ago) in Pisces

5.

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. Wed, 03 Jan 2024 at 19:31 PDT (545 days ago) in Virgo

6.

Quadrantid meteor shower 2024 The Quadrantid meteor shower reaches its peak. Thu, 04 Jan 2024 (544 days ago) in Bootes

7.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 07 Jan 2024 at 00:06 PDT (541 days ago) in Ophiuchus

8.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from the Contiguous United States and Mexico. Mon, 08 Jan 2024 at 07:17 PDT (540 days ago) in Scorpius

9.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 08 Jan 2024 (540 days ago) in Sagittarius

10.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°42'. Mon, 08 Jan 2024 at 12:12 PDT (540 days ago) in Ophiuchus

11.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°35'. Tue, 09 Jan 2024 at 10:49 PDT (539 days ago) in Ophiuchus

12.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°09'. Wed, 10 Jan 2024 at 00:32 PDT (538 days ago) in Sagittarius

13.

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. Wed, 10 Jan 2024 at 17:32 PDT (538 days ago) in Sagittarius

14.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 11 Jan 2024 at 03:58 PDT (537 days ago) in Sagittarius

15.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Fri, 12 Jan 2024 at 11:18 PDT (536 days ago) in Sagittarius

16.

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. Sat, 13 Jan 2024 at 02:35 PDT (535 days ago) in Capricornus

17.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°08'. Sun, 14 Jan 2024 at 01:33 PDT (534 days ago) in Aquarius

18.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 14 Jan 2024 at 03:02 PDT (534 days ago) in Aquarius

19.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from Saint Helena. Mon, 15 Jan 2024 at 13:09 PDT (533 days ago) in Pisces

20.

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. Mon, 15 Jan 2024 (533 days ago) in Puppis