301.

η-Lyrid meteor shower 2020 The η-Lyrid meteor shower reaches its peak. Fri, 08 May 2020 (1,468 days ago) in Lyra

302.

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. Sat, 09 May 2020 at 07:48 EDT (1,467 days ago) in Ophiuchus

303.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 10 May 2020 at 00:48 EDT (1,466 days ago) in Taurus

304.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 10 May 2020 at 23:38 EDT (1,466 days ago) in Capricornus

305.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Mon, 11 May 2020 (1,465 days ago) in Serpens Caput

306.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°15'. Tue, 12 May 2020 at 05:40 EDT (1,464 days ago) in Sagittarius

307.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 12 May 2020 at 06:09 EDT (1,464 days ago) in Sagittarius

308.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°40'. Tue, 12 May 2020 at 14:10 EDT (1,464 days ago) in Capricornus

309.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 12 May 2020 at 14:54 EDT (1,464 days ago) in Capricornus

310.

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. Thu, 14 May 2020 at 10:03 EDT (1,462 days ago) in Capricornus

311.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 14 May 2020 at 10:33 EDT (1,462 days ago) in Sagittarius

312.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°45'. Thu, 14 May 2020 at 22:01 EDT (1,462 days ago) in Aquarius

313.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 14 May 2020 at 23:51 EDT (1,462 days ago) in Aquarius

314.

Comet C/2017 T2 (PANSTARRS) reaches peak brightness Comet C/2017 T2 (PANSTARRS) is forecast to reach the brightest point in its 2020 apparition. Sat, 16 May 2020 (1,460 days ago) in Camelopardalis

315.

Close approach of Jupiter and Saturn Jupiter and Saturn pass within 4°41' of each other. Mon, 18 May 2020 at 00:42 EDT (1,458 days ago) in Capricornus

316.

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. Mon, 18 May 2020 at 03:44 EDT (1,458 days ago) in Cetus

317.

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. Wed, 20 May 2020 at 10:46 EDT (1,456 days ago) in Cetus

318.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 53'. Fri, 22 May 2020 at 03:52 EDT (1,454 days ago) in Taurus

319.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 22 May 2020 at 13:40 EDT (1,454 days ago) in Taurus

320.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°41'. Sat, 23 May 2020 at 22:41 EDT (1,453 days ago) in Taurus