301.

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. Wed, 28 Apr 2021 at 23:32 EDT (1,104 days ago) in Scorpius

302.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 30 Apr 2021 at 15:44 EDT (1,102 days ago) in Aries

303.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Hawaii, Midway Atoll, Kingman Reef and Palmyra Atoll amongst others. Sat, 01 May 2021 at 09:37 EDT (1,101 days ago) in Sagittarius

304.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°09'. Mon, 03 May 2021 at 12:58 EDT (1,099 days ago) in Capricornus

305.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 03 May 2021 at 14:49 EDT (1,099 days ago) in Capricornus

306.

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. Mon, 03 May 2021 at 15:50 EDT (1,099 days ago) in Capricornus

307.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°36'. Tue, 04 May 2021 at 17:02 EDT (1,098 days ago) in Aquarius

308.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 04 May 2021 at 19:55 EDT (1,098 days ago) in Aquarius

309.

η-Aquariid meteor shower 2021 The η-Aquariid meteor shower reaches its peak. Wed, 05 May 2021 (1,096 days ago) in Aquarius

310.

η-Lyrid meteor shower 2021 The η-Lyrid meteor shower reaches its peak. Sat, 08 May 2021 (1,094 days ago) in Lyra

311.

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. Sun, 09 May 2021 at 06:26 EDT (1,093 days ago) in Pisces

312.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 11 May 2021 at 15:01 EDT (1,091 days ago) in Aries

313.

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. Tue, 11 May 2021 at 17:53 EDT (1,091 days ago) in Aries

314.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Tue, 11 May 2021 (1,091 days ago) in Serpens Caput

315.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 12 May 2021 at 01:20 EDT (1,090 days ago) in Taurus

316.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 42'. Wed, 12 May 2021 at 18:03 EDT (1,090 days ago) in Taurus

317.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from New Zealand, French Polynesia and Pitcairn. Wed, 12 May 2021 at 18:30 EDT (1,090 days ago) in Taurus

318.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°08'. Thu, 13 May 2021 at 13:58 EDT (1,089 days ago) in Taurus

319.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 15 May 2021 (1,087 days ago) in Taurus

320.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°28'. Sun, 16 May 2021 at 00:47 EDT (1,086 days ago) in Gemini