1.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°59'. Sun, 16 Jun 2019 at 14:48 EDT (1,773 days ago) in Ophiuchus

2.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 16 Jun 2019 at 15:24 EDT (1,773 days ago) in Ophiuchus

3.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Sun, 16 Jun 2019 (1,773 days ago) in Scorpius

4.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 17 Jun 2019 at 04:30 EDT (1,772 days ago) in Ophiuchus

5.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Mon, 17 Jun 2019 (1,772 days ago) in Scorpius

6.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Mon, 17 Jun 2019 (1,772 days ago) in Ara

7.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Mon, 17 Jun 2019 (1,771 days ago) in Gemini

8.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 17 Jun 2019 at 22:57 EDT (1,772 days ago) in Gemini

9.

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. Tue, 18 Jun 2019 at 04:14 EDT (1,771 days ago) in Sagittarius

10.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 14'. Tue, 18 Jun 2019 at 10:35 EDT (1,771 days ago) in Gemini

11.

Close approach of Mercury and Mars Mercury and Mars pass within 13' of each other. Tue, 18 Jun 2019 at 13:57 EDT (1,771 days ago) in Gemini

12.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Tue, 18 Jun 2019 (1,771 days ago) in Ophiuchus

13.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 26'. Tue, 18 Jun 2019 at 23:45 EDT (1,771 days ago) in Sagittarius

14.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 18 Jun 2019 at 23:48 EDT (1,771 days ago) in Sagittarius

15.

Lunar occultation of Saturn The Moon will pass in front of Saturn, creating a lunar occultation visible from countries and territories including Argentina, South Africa, Namibia and Chile amongst others. Tue, 18 Jun 2019 at 23:48 EDT (1,771 days ago) in Sagittarius

16.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Thu, 20 Jun 2019 (1,769 days ago) in Scorpius

17.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 21 Jun 2019 at 10:13 EDT (1,768 days ago) in Aquarius

18.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (1,768 days ago) in Taurus

19.

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, 23 Jun 2019 at 03:49 EDT (1,766 days ago) in Aquarius

20.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Sun, 23 Jun 2019 (1,766 days ago) in Sagittarius