1.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Sat, 21 Mar 2026 at 09:46 PDT (13 days ago) in Virgo

2.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 22 Mar 2026 at 04:09 PDT (12 days ago) in Pisces

3.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, appearing larger than at other times of the month – though only very fractionally. Sun, 22 Mar 2026 at 04:39 PDT (12 days ago) in Aries

4.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Mon, 23 Mar 2026 at 01:53 PDT (11 days ago) in Taurus

5.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from countries and territories including Brazil, Venezuela, Colombia and Guyana amongst others. Tue, 24 Mar 2026 at 15:37 PDT (10 days ago) in Taurus

6.

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. Wed, 25 Mar 2026 at 01:45 PDT (9 days ago) in Pisces

7.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Wed, 25 Mar 2026 at 12:18 PDT (9 days ago) in Auriga

8.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Wed, 25 Mar 2026 at 23:41 PDT (9 days ago) in Aquarius

9.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°52'. Thu, 26 Mar 2026 at 05:12 PDT (8 days ago) in Gemini

10.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 26 Mar 2026 at 06:19 PDT (8 days ago) in Gemini

11.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 27 Mar 2026 at 20:54 PDT (7 days ago) in Cancer

12.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 29 Mar 2026 (5 days ago) in Aquarius

13.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from parts of Africa, Asia, Europe, Russia, British Indian Ocean Territory, Corsica, Menorca, Mallorca, Ibiza and RAF Akrotiri. Sun, 29 Mar 2026 at 12:57 PDT (5 days ago) in Leo

14.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Wed, 01 Apr 2026 at 04:15 PDT (2 days ago) in Coma Berenices

15.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Wed, 01 Apr 2026 (2 days ago) in Virgo

16.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 01 Apr 2026 at 19:11 PDT (2 days ago) in Virgo

17.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Fri, 03 Apr 2026 at 11:48 PDT (2 hours ago) in Aquarius

18.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 03 Apr 2026 at 15:17 PDT (44 minutes away) in Aquarius

19.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 04 Apr 2026 at 03:33 PDT (13 hours away) in Aquarius

20.

Comet C/2026 A1 (MAPS) passes perihelion Comet C/2026 A1 (MAPS) makes its closest approach to the Sun. Sat, 04 Apr 2026 (Tomorrow) in Pisces