1.

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 (14 days ago) in Virgo

2.

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 (12 days ago) in Sagittarius

3.

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 (11 days ago) in Corona Australis

4.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Thu, 25 Jun 2026 (10 days ago) in Taurus

5.

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 (8 days ago) in Scorpius

6.

June Bootid meteor shower 2026 The June Bootid meteor shower reaches its peak. Sat, 27 Jun 2026 (8 days ago) in Bootes

7.

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. Sun, 28 Jun 2026 at 00:10 PDT (7 days ago) in Ophiuchus

8.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Mon, 29 Jun 2026 (6 days ago) in Ophiuchus

9.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 29 Jun 2026 at 16:56 PDT (6 days ago) in Sagittarius

10.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Mon, 29 Jun 2026 at 21:27 PDT (6 days ago) in Sagittarius

11.

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, Chile, Peru and New Zealand amongst others. Tue, 30 Jun 2026 at 02:03 PDT (5 days ago) in Sagittarius

12.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 01 Jul 2026 at 02:53 PDT (4 days ago) in Gemini

13.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Wed, 01 Jul 2026 (4 days ago) in Sagittarius

14.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Wed, 01 Jul 2026 (4 days ago) in Serpens Cauda

15.

Conjunction of Mars and Uranus Mars and Uranus share the same right ascension, at a separation of 6'26". Fri, 03 Jul 2026 at 22:23 PDT (2 days ago) in Taurus

16.

Close approach of Mars and Uranus Mars and Uranus pass within 6'18" of each other. Fri, 03 Jul 2026 at 23:11 PDT (2 days ago) in Taurus

17.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 06 Jul 2026 at 10:30 PDT (19 hours away) in Pisces

18.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Tue, 07 Jul 2026 at 04:40 PDT (2 days away) in Pisces

19.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 07 Jul 2026 at 09:32 PDT (2 days away) in Pisces

20.

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, 07 Jul 2026 at 12:29 PDT (2 days away) in Pisces