261.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Fri, 02 Jun 2017 (2,602 days ago) in Hercules

262.

Conjunction of Venus and Uranus Venus and Uranus share the same right ascension, at a separation of 1°46'. Fri, 02 Jun 2017 at 10:40 EDT (2,602 days ago) in Pisces

263.

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. Thu, 01 Jun 2017 at 08:42 EDT (2,603 days ago) in Leo

264.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Africa. Wed, 31 May 2017 at 12:25 EDT (2,604 days ago) in Leo

265.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Sun, 28 May 2017 (2,607 days ago) in Scorpius

266.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°21'. Fri, 26 May 2017 at 21:56 EDT (2,609 days ago) in Taurus

267.

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. Thu, 25 May 2017 at 21:20 EDT (2,610 days ago) in Taurus

268.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 25 May 2017 at 15:45 EDT (2,610 days ago) in Taurus

269.

Supernova SN2017ein discovered A new supernova has been discovered in NGC 3938. Wed, 24 May 2017 (2,610 days ago)

270.

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, 24 May 2017 at 05:25 EDT (2,611 days ago) in Aries

271.

Close approach of the Moon and Mercury The Moon and Mercury pass close to each other. Tue, 23 May 2017 at 22:07 EDT (2,612 days ago) in Aries

272.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°36'. Tue, 23 May 2017 at 21:19 EDT (2,612 days ago) in Aries

273.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 23 May 2017 (2,612 days ago) in Pisces

274.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 23 May 2017 at 10:42 EDT (2,612 days ago) in Aries

275.

Supernova SN2017egm discovered A new supernova has been discovered in NGC 3191. Mon, 22 May 2017 (2,612 days ago)

276.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 22 May 2017 at 09:55 EDT (2,613 days ago) in Pisces

277.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°23'. Mon, 22 May 2017 at 08:31 EDT (2,613 days ago) in Pisces

278.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from South Georgia and the South Sandwich Islands, Bouvet Island, Saint Helena and Antarctica. Sat, 20 May 2017 at 01:46 EDT (2,615 days ago) in Aquarius

279.

Close approach of the Moon and Neptune The Moon and Neptune pass close to each other. Sat, 20 May 2017 at 01:46 EDT (2,615 days ago) in Aquarius

280.

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, 18 May 2017 at 20:33 EDT (2,617 days ago) in Aquarius