1.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Thu, 10 Jun 2021 at 18:07 PDT (1,484 days ago) in Taurus

2.

Daytime Arietid meteor shower 2021 The Daytime Arietid meteor shower reaches its peak. Thu, 10 Jun 2021 (1,484 days ago) in Aries

3.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 10 Jun 2021 at 03:54 PDT (1,484 days ago) in Taurus

4.

Annular solar eclipse There will be an eclipse of the Sun, visible from eastern Canada, western Greenland and eastern Russia. Thu, 10 Jun 2021 at 03:42 PDT (1,484 days ago) in Taurus

5.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 09 Jun 2021 at 18:21 PDT (1,485 days ago) in Taurus

6.

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, 08 Jun 2021 at 20:43 PDT (1,486 days ago) in Taurus

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. Mon, 07 Jun 2021 at 19:27 PDT (1,487 days ago) in Aries

8.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Sun, 06 Jun 2021 (1,488 days ago) in Ophiuchus

9.

Messier 10 is well placed The globular cluster M10 (NGC 6254; mag 6.6) in Ophiuchus culminates at around midnight local time. Sat, 05 Jun 2021 (1,489 days ago) in Ophiuchus

10.

Conjunction of Uranus and Ceres Uranus and Ceres share the same right ascension, at a separation of 6°27'. Sat, 05 Jun 2021 at 05:21 PDT (1,489 days ago) in Cetus

11.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Thu, 03 Jun 2021 (1,491 days ago) in Ophiuchus

12.

Asteroid 63 Ausonia at opposition Asteroid 63 Ausonia makes closest approach to the Earth. Thu, 03 Jun 2021 at 04:58 PDT (1,491 days ago) in Scorpius

13.

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. Wed, 02 Jun 2021 (1,492 days ago) in Hercules

14.

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. Wed, 02 Jun 2021 at 00:25 PDT (1,492 days ago) in Aquarius

15.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 01 Jun 2021 at 04:56 PDT (1,493 days ago) in Aquarius

16.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°37'. Tue, 01 Jun 2021 at 02:00 PDT (1,493 days ago) in Aquarius

17.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 30 May 2021 at 20:06 PDT (1,495 days ago) in Capricornus

18.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°10'. Sun, 30 May 2021 at 18:18 PDT (1,495 days ago) in Capricornus

19.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 25'. Fri, 28 May 2021 at 22:34 PDT (1,497 days ago) in Taurus

20.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Fri, 28 May 2021 (1,497 days ago) in Scorpius