1.

Conjunction of Venus and Uranus Venus and Uranus share the same right ascension, at a separation of 1°09'. Sat, 18 May 2019 at 04:12 EDT (1,799 days ago) in Aries

2.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 18 May 2019 at 17:11 EDT (1,799 days ago) in Libra

3.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Mon, 20 May 2019 at 05:34 EDT (1,797 days ago) in Libra

4.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°41'. Mon, 20 May 2019 at 12:52 EDT (1,797 days ago) in Ophiuchus

5.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 20 May 2019 at 13:18 EDT (1,797 days ago) in Ophiuchus

6.

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. Mon, 20 May 2019 at 18:19 EDT (1,797 days ago) in Ophiuchus

7.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 21 May 2019 at 09:13 EDT (1,796 days ago) in Taurus

8.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 31'. Wed, 22 May 2019 at 18:13 EDT (1,795 days ago) in Sagittarius

9.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Wed, 22 May 2019 at 18:16 EDT (1,795 days ago) in Sagittarius

10.

Lunar occultation of Saturn The Moon will pass in front of Saturn, creating a lunar occultation visible from countries and territories including Antarctica, South Africa, Namibia and Australia amongst others. Wed, 22 May 2019 at 18:16 EDT (1,795 days ago) in Sagittarius

11.

Supernova SN2019fya discovered A new supernova has been discovered in NGC 7549. Thu, 23 May 2019 (1,793 days ago)

12.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 24 May 2019 at 03:48 EDT (1,793 days ago) in Taurus

13.

Supernova AT2019gcm discovered A new supernova has been discovered in IC 1008. Fri, 24 May 2019 (1,792 days ago)

14.

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, 26 May 2019 at 09:27 EDT (1,791 days ago) in Aquarius

15.

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, 26 May 2019 at 12:34 EDT (1,791 days ago) in Aquarius

16.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Tue, 28 May 2019 (1,789 days ago) in Scorpius

17.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Wed, 29 May 2019 at 13:26 EDT (1,788 days ago) in Ophiuchus

18.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°14'. Sat, 01 Jun 2019 at 14:13 EDT (1,785 days ago) in Aries

19.

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. Sat, 01 Jun 2019 at 16:56 EDT (1,785 days ago) in Aries

20.

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. Sun, 02 Jun 2019 (1,784 days ago) in Hercules