1.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Fri, 20 Jun 2025 (12 days ago) in Scorpius

2.

June solstice 21 June will be the longest day of 2025 in the northern hemisphere. Fri, 20 Jun 2025 at 19:42 PDT (12 days ago) in Taurus

3.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 7°10'. Sun, 22 Jun 2025 at 01:36 PDT (10 days ago) in Aries

4.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Sun, 22 Jun 2025 (10 days ago) in Sagittarius

5.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sun, 22 Jun 2025 at 20:29 PDT (10 days ago) in Taurus

6.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sun, 22 Jun 2025 at 21:44 PDT (10 days ago) in Taurus

7.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Mon, 23 Jun 2025 (9 days ago) in Corona Australis

8.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 24 Jun 2025 at 08:05 PDT (8 days ago) in Gemini

9.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Tue, 24 Jun 2025 at 22:50 PDT (8 days ago) in Auriga

10.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 25 Jun 2025 at 03:32 PDT (7 days ago) in Auriga

11.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Thu, 26 Jun 2025 at 09:01 PDT (6 days ago) in Gemini

12.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 26 Jun 2025 (5 days ago) in Cancer

13.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°50'. Thu, 26 Jun 2025 at 23:03 PDT (6 days ago) in Cancer

14.

June Bootid meteor shower 2025 The June Bootid meteor shower reaches its peak. Fri, 27 Jun 2025 (5 days ago) in Bootes

15.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sat, 28 Jun 2025 at 14:25 PDT (4 days ago) in Cancer

16.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sat, 28 Jun 2025 (4 days ago) in Ophiuchus

17.

Conjunction of Saturn and Neptune Saturn and Neptune share the same right ascension, at a separation of 59'. Sun, 29 Jun 2025 at 01:20 PDT (3 days ago) in Pisces

18.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 12'. Sun, 29 Jun 2025 at 18:04 PDT (3 days ago) in Leo

19.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 29 Jun 2025 at 18:16 PDT (3 days ago) in Leo

20.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Peru, Ecuador, Colombia and Clipperton Island. Sun, 29 Jun 2025 at 18:16 PDT (3 days ago) in Leo