1.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°35'. Tue, 16 Jun 2026 at 12:33 PDT (14 days ago) in Gemini

2.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Tue, 16 Jun 2026 (14 days ago) in Scorpius

3.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°32'. Tue, 16 Jun 2026 at 23:52 PDT (14 days ago) in Gemini

4.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 17 Jun 2026 at 00:58 PDT (13 days ago) in Gemini

5.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 17'. Wed, 17 Jun 2026 at 13:20 PDT (13 days ago) in Cancer

6.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Wed, 17 Jun 2026 at 13:30 PDT (13 days ago) in Cancer

7.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including the Contiguous United States, Canada, Brazil and Venezuela amongst others. Wed, 17 Jun 2026 at 13:30 PDT (13 days ago) in Cancer

8.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Wed, 17 Jun 2026 (13 days ago) in Scorpius

9.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Wed, 17 Jun 2026 (13 days ago) in Ara

10.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Wed, 17 Jun 2026 at 17:52 PDT (13 days ago) in Cancer

11.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Thu, 18 Jun 2026 (12 days ago) in Ophiuchus

12.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including South Africa, Mozambique, Madagascar and Zimbabwe amongst others. Fri, 19 Jun 2026 at 07:55 PDT (11 days ago) in Leo

13.

Close approach of Venus and M44 Venus and M44 pass close to each other. Fri, 19 Jun 2026 at 19:31 PDT (11 days ago) in Cancer

14.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sat, 20 Jun 2026 (10 days ago) in Scorpius

15.

June solstice 21 June will be the longest day of 2026 in the northern hemisphere. Sun, 21 Jun 2026 at 01:27 PDT (9 days ago) in Taurus

16.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sun, 21 Jun 2026 at 14:55 PDT (9 days ago) in Virgo

17.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Tue, 23 Jun 2026 (7 days ago) in Sagittarius

18.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Wed, 24 Jun 2026 (6 days ago) in Corona Australis

19.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Thu, 25 Jun 2026 (5 days ago) in Taurus

20.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Antarctica, Australia, New Zealand and Tasmania amongst others. Sat, 27 Jun 2026 at 08:08 PDT (3 days ago) in Scorpius