1.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Tue, 02 Jun 2026 (14 days ago) in Hercules

2.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Argentina, Antarctica, South Africa and Chile amongst others. Tue, 02 Jun 2026 at 20:08 PDT (14 days ago) in Sagittarius

3.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Wed, 03 Jun 2026 (13 days ago) in Ophiuchus

4.

Messier 10 is well placed The globular cluster M10 (NGC 6254; mag 6.6) in Ophiuchus culminates at around midnight local time. Sat, 06 Jun 2026 (10 days ago) in Ophiuchus

5.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Sun, 07 Jun 2026 (9 days ago) in Ophiuchus

6.

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, 08 Jun 2026 at 03:01 PDT (8 days ago) in Aquarius

7.

Conjunction of Venus and Jupiter Venus and Jupiter share the same right ascension, at a separation of 1°38'. Tue, 09 Jun 2026 at 05:35 PDT (7 days ago) in Gemini

8.

Close approach of Venus and Jupiter Venus and Jupiter pass within 1°36' of each other. Tue, 09 Jun 2026 at 12:48 PDT (7 days ago) in Gemini

9.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Tue, 09 Jun 2026 at 13:19 PDT (7 days ago) in Gemini

10.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 09 Jun 2026 at 23:49 PDT (7 days ago) in Pisces

11.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 6°11'. Wed, 10 Jun 2026 at 04:41 PDT (6 days ago) in Pisces

12.

Daytime Arietid meteor shower 2026 The Daytime Arietid meteor shower reaches its peak. Wed, 10 Jun 2026 (6 days ago) in Aries

13.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 11 Jun 2026 (5 days ago) in Gemini

14.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Thu, 11 Jun 2026 (5 days ago) in Hercules

15.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°38'. Fri, 12 Jun 2026 at 14:16 PDT (4 days ago) in Aries

16.

Venus at highest altitude in evening sky Venus is bright and well placed in the evening sky. Fri, 12 Jun 2026 (4 days ago) in Virgo

17.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sat, 13 Jun 2026 at 06:41 PDT (3 days ago) in Taurus

18.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Sun, 14 Jun 2026 at 02:56 PDT (2 days ago) in Taurus

19.

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, 14 Jun 2026 at 16:19 PDT (2 days ago) in Taurus

20.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 14 Jun 2026 at 19:55 PDT (2 days ago) in Taurus