221.

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 (2,594 days ago) in Ophiuchus

222.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 09 Jun 2017 at 21:33 EDT (2,594 days ago) in Ophiuchus

223.

Daytime Arietid meteor shower 2017 The Daytime Arietid meteor shower reaches its peak. Sat, 10 Jun 2017 (2,593 days ago) in Aries

224.

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 (2,593 days ago) in Sagittarius

225.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Sun, 11 Jun 2017 (2,592 days ago) in Hercules

226.

Supernova SN2017erp discovered A new supernova has been discovered in NGC 5861. Mon, 12 Jun 2017 (2,590 days ago)

227.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Mon, 12 Jun 2017 at 20:42 EDT (2,591 days ago) in Aries

228.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Thu, 15 Jun 2017 at 06:09 EDT (2,588 days ago) in Ophiuchus

229.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Thu, 15 Jun 2017 (2,588 days ago) in Scorpius

230.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 16 Jun 2017 at 07:41 EDT (2,587 days ago) in Aquarius

231.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from Antarctica. Fri, 16 Jun 2017 at 09:03 EDT (2,587 days ago) in Aquarius

232.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Fri, 16 Jun 2017 (2,587 days ago) in Scorpius

233.

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. Sat, 17 Jun 2017 at 07:33 EDT (2,586 days ago) in Aquarius

234.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Sat, 17 Jun 2017 (2,586 days ago) in Ara

235.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Sun, 18 Jun 2017 at 00:46 EDT (2,585 days ago) in Ophiuchus

236.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Sun, 18 Jun 2017 (2,585 days ago) in Ophiuchus

237.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Mon, 19 Jun 2017 at 09:42 EDT (2,584 days ago) in Taurus

238.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°22'. Tue, 20 Jun 2017 at 17:11 EDT (2,583 days ago) in Aries

239.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 20 Jun 2017 at 18:20 EDT (2,583 days ago) in Aries

240.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Tue, 20 Jun 2017 (2,583 days ago) in Scorpius