1.

Asteroid 10 Hygiea at opposition Asteroid 10 Hygiea makes closest approach to the Earth. Wed, 28 Jun 2017 at 17:34 EDT (2,493 days ago) in Sagittarius

2.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Wed, 28 Jun 2017 (2,493 days ago) in Ophiuchus

3.

Comet 71P/Clark passes perihelion Comet 71P/Clark makes its closest approach to the Sun. Thu, 29 Jun 2017 (2,492 days ago) in Scorpius

4.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Fri, 30 Jun 2017 at 20:51 EDT (2,491 days ago) in Virgo

5.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°42'. Sat, 01 Jul 2017 at 03:29 EDT (2,490 days ago) in Virgo

6.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sat, 01 Jul 2017 at 05:13 EDT (2,490 days ago) in Virgo

7.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Sat, 01 Jul 2017 (2,490 days ago) in Sagittarius

8.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Sat, 01 Jul 2017 (2,490 days ago) in Serpens Cauda

9.

Asteroid 3 Juno at opposition Asteroid 3 Juno makes closest approach to the Earth. Sun, 02 Jul 2017 at 15:10 EDT (2,489 days ago) in Scutum

10.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 03 Jul 2017 at 16:11 EDT (2,488 days ago) in Pisces

11.

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. Thu, 06 Jul 2017 at 00:28 EDT (2,485 days ago) in Ophiuchus

12.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°14'. Thu, 06 Jul 2017 at 23:11 EDT (2,485 days ago) in Ophiuchus

13.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 06 Jul 2017 at 23:49 EDT (2,485 days ago) in Ophiuchus

14.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 08 Jul 2017 at 17:06 EDT (2,483 days ago) in Sagittarius

15.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 09 Jul 2017 at 00:06 EDT (2,482 days ago) in Sagittarius

16.

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. Sun, 09 Jul 2017 (2,482 days ago) in Pavo

17.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Mon, 10 Jul 2017 at 07:14 EDT (2,481 days ago) in Sagittarius

18.

Supernova SN2017fgc discovered A new supernova has been discovered in NGC 0474. Mon, 10 Jul 2017 (2,480 days ago)

19.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from Antarctica, New Zealand and Macquarie Island. Thu, 13 Jul 2017 at 14:18 EDT (2,478 days ago) in Aquarius

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. Sun, 16 Jul 2017 at 15:26 EDT (2,475 days ago) in Pisces