1.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 10 May 2019 at 22:14 EDT (1,815 days ago) in Cancer

2.

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. Sat, 11 May 2019 at 21:12 EDT (1,814 days ago) in Leo

3.

Comet C/2018 W1 (Catalina) passes perihelion Comet C/2018 W1 (Catalina) makes its closest approach to the Sun. Sun, 12 May 2019 (1,813 days ago) in Eridanus

4.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sun, 12 May 2019 (1,813 days ago) in Serpens Caput

5.

Supernova SN2019fck discovered A new supernova has been discovered in NGC 5243. Sun, 12 May 2019 (1,812 days ago)

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. Mon, 13 May 2019 at 17:52 EDT (1,812 days ago) in Leo

7.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Tue, 14 May 2019 at 05:34 EDT (1,811 days ago) in Libra

8.

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 (1,807 days ago) in Aries

9.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 18 May 2019 at 17:11 EDT (1,807 days ago) in Libra

10.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Mon, 20 May 2019 at 03:10 EDT (1,805 days ago) in Libra

11.

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 (1,805 days ago) in Ophiuchus

12.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 20 May 2019 at 13:18 EDT (1,805 days ago) in Ophiuchus

13.

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 (1,805 days ago) in Ophiuchus

14.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 21 May 2019 at 09:13 EDT (1,804 days ago) in Taurus

15.

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 (1,803 days ago) in Sagittarius

16.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Wed, 22 May 2019 at 18:16 EDT (1,803 days ago) in Sagittarius

17.

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 (1,803 days ago) in Sagittarius

18.

Supernova SN2019fya discovered A new supernova has been discovered in NGC 7549. Thu, 23 May 2019 (1,801 days ago)

19.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 24 May 2019 at 03:48 EDT (1,801 days ago) in Taurus

20.

Supernova AT2019gcm discovered A new supernova has been discovered in IC 1008. Fri, 24 May 2019 (1,800 days ago)