321.

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, 10 Jun 2017 at 11:59 EDT (2,595 days ago) in Sagittarius

322.

Daytime Arietid meteor shower 2017 The Daytime Arietid meteor shower reaches its peak. Sat, 10 Jun 2017 (2,595 days ago) in Aries

323.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 09 Jun 2017 at 21:33 EDT (2,596 days ago) in Ophiuchus

324.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°04'. Fri, 09 Jun 2017 at 21:03 EDT (2,596 days ago) in Ophiuchus

325.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Fri, 09 Jun 2017 at 10:12 EDT (2,596 days ago) in Virgo

326.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 09 Jun 2017 at 09:09 EDT (2,596 days ago) in Ophiuchus

327.

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. Thu, 08 Jun 2017 at 18:21 EDT (2,597 days ago) in Ophiuchus

328.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Wed, 07 Jun 2017 (2,598 days ago) in Ophiuchus

329.

Messier 10 is well placed The globular cluster M10 (NGC 6254; mag 6.6) in Ophiuchus culminates at around midnight local time. Mon, 05 Jun 2017 (2,600 days ago) in Ophiuchus

330.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 05 Jun 2017 at 07:09 EDT (2,600 days ago) in Taurus

331.

Venus at dichotomy Venus reaches half phase in the dawn sky. Sun, 04 Jun 2017 at 02:05 EDT (2,601 days ago) in Pisces

332.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sat, 03 Jun 2017 at 21:27 EDT (2,602 days ago) in Virgo

333.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°19'. Sat, 03 Jun 2017 at 19:58 EDT (2,602 days ago) in Virgo

334.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Sat, 03 Jun 2017 (2,602 days ago) in Ophiuchus

335.

Venus at greatest elongation west Venus is bright and well placed in the dawn sky. Sat, 03 Jun 2017 at 02:11 EDT (2,602 days ago) in Pisces

336.

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 (2,603 days ago) in Hercules

337.

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 (2,603 days ago) in Pisces

338.

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 (2,604 days ago) in Leo

339.

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 (2,605 days ago) in Leo

340.

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 (2,608 days ago) in Scorpius