1.

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 (13 days ago) in Ophiuchus

2.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 29 Jun 2026 at 16:56 PDT (13 days ago) in Sagittarius

3.

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 (13 days ago) in Sagittarius

4.

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 (12 days ago) in Sagittarius

5.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 01 Jul 2026 at 02:53 PDT (11 days ago) in Gemini

6.

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 (11 days ago) in Sagittarius

7.

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 (11 days ago) in Serpens Cauda

8.

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 (9 days ago) in Taurus

9.

Close approach of Mars and Uranus Mars and Uranus pass within 6'18" of each other. Fri, 03 Jul 2026 at 23:11 PDT (9 days ago) in Taurus

10.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 06 Jul 2026 at 10:30 PDT (6 days ago) in Pisces

11.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Tue, 07 Jul 2026 at 04:40 PDT (5 days ago) in Pisces

12.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 07 Jul 2026 at 09:32 PDT (5 days ago) in Pisces

13.

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 (5 days ago) in Pisces

14.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 6°39'. Tue, 07 Jul 2026 at 14:49 PDT (5 days ago) in Pisces

15.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene makes closest approach to the Earth. Thu, 09 Jul 2026 at 00:10 PDT (3 days ago) in Aquila

16.

Asteroid 8 Flora at opposition Asteroid 8 Flora makes closest approach to the Earth. Thu, 09 Jul 2026 at 14:34 PDT (3 days ago) in Sagittarius

17.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Fri, 10 Jul 2026 at 16:17 PDT (2 days ago) in Taurus

18.

The Great Peacock Globular Cluster is well placed The bright globular cluster NGC 6752 (mag 5.4) in Pavo culminates at around midnight local time. Fri, 10 Jul 2026 (2 days ago) in Pavo

19.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 11 Jul 2026 at 06:24 PDT (Yesterday) in Taurus

20.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°19'. Sat, 11 Jul 2026 at 07:40 PDT (Yesterday) in Taurus