541.

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. Thu, 02 May 2019 at 02:08 EDT (1,932 days ago) in Cetus

542.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°37'. Thu, 02 May 2019 at 07:39 EDT (1,932 days ago) in Pisces

543.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°54'. Fri, 03 May 2019 at 02:25 EDT (1,931 days ago) in Pisces

544.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 04 May 2019 at 18:46 EDT (1,930 days ago) in Aries

545.

η-Aquariid meteor shower 2019 The η-Aquariid meteor shower reaches its peak. Mon, 06 May 2019 (1,928 days ago) in Aquarius

546.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°14'. Tue, 07 May 2019 at 19:34 EDT (1,927 days ago) in Taurus

547.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 07 May 2019 at 20:20 EDT (1,927 days ago) in Taurus

548.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 1°22'. Wed, 08 May 2019 at 04:12 EDT (1,926 days ago) in Aries

549.

η-Lyrid meteor shower 2019 The η-Lyrid meteor shower reaches its peak. Wed, 08 May 2019 (1,925 days ago) in Lyra

550.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 10 May 2019 at 22:14 EDT (1,924 days ago) in Cancer

551.

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 (1,923 days ago) in Leo

552.

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 (1,922 days ago) in Serpens Caput

553.

Supernova SN2019fck discovered A new supernova has been discovered in NGC 5243. Sun, 12 May 2019 (1,921 days ago)

554.

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 (1,921 days ago) in Leo

555.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Tue, 14 May 2019 at 07:58 EDT (1,920 days ago) in Libra

556.

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 (1,916 days ago) in Aries

557.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 18 May 2019 at 17:11 EDT (1,916 days ago) in Libra

558.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Mon, 20 May 2019 at 03:10 EDT (1,914 days ago) in Libra

559.

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 (1,914 days ago) in Ophiuchus

560.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 20 May 2019 at 13:18 EDT (1,914 days ago) in Ophiuchus