321.

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 16:34 PDT (1,837 days ago) in Taurus

322.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 07 May 2019 at 17:20 PDT (1,837 days ago) in Taurus

323.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 1°22'. Wed, 08 May 2019 at 01:12 PDT (1,836 days ago) in Aries

324.

η-Lyrid meteor shower 2019 The η-Lyrid meteor shower reaches its peak. Wed, 08 May 2019 (1,835 days ago) in Lyra

325.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 10 May 2019 at 19:14 PDT (1,834 days ago) in Cancer

326.

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 18:12 PDT (1,833 days ago) in Leo

327.

Comet C/2018 W1 (Catalina) passes perihelion Comet C/2018 W1 (Catalina) makes its closest approach to the Sun. Sun, 12 May 2019 (1,832 days ago) in Eridanus

328.

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 (1,832 days ago) in Serpens Caput

329.

Supernova SN2019fck discovered A new supernova has been discovered in NGC 5243. Sun, 12 May 2019 (1,831 days ago)

330.

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 14:52 PDT (1,831 days ago) in Leo

331.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Tue, 14 May 2019 at 02:34 PDT (1,830 days ago) in Libra

332.

Conjunction of Venus and Uranus Venus and Uranus share the same right ascension, at a separation of 1°09'. Sat, 18 May 2019 at 01:12 PDT (1,826 days ago) in Aries

333.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 18 May 2019 at 14:11 PDT (1,826 days ago) in Libra

334.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Mon, 20 May 2019 at 00:10 PDT (1,824 days ago) in Libra

335.

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 09:52 PDT (1,824 days ago) in Ophiuchus

336.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 20 May 2019 at 10:18 PDT (1,824 days ago) in Ophiuchus

337.

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 15:19 PDT (1,824 days ago) in Ophiuchus

338.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 21 May 2019 at 06:13 PDT (1,823 days ago) in Taurus

339.

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 15:13 PDT (1,822 days ago) in Sagittarius

340.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Wed, 22 May 2019 at 15:16 PDT (1,822 days ago) in Sagittarius