201.

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 (2,529 days ago) in Scorpius

202.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 16 Jun 2017 at 07:41 EDT (2,528 days ago) in Aquarius

203.

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 (2,528 days ago) in Aquarius

204.

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 (2,528 days ago) in Scorpius

205.

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 (2,527 days ago) in Aquarius

206.

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 (2,527 days ago) in Ara

207.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Sun, 18 Jun 2017 at 00:46 EDT (2,526 days ago) in Ophiuchus

208.

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 (2,526 days ago) in Ophiuchus

209.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Mon, 19 Jun 2017 at 09:42 EDT (2,525 days ago) in Taurus

210.

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 (2,524 days ago) in Aries

211.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 20 Jun 2017 at 18:20 EDT (2,524 days ago) in Aries

212.

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 (2,524 days ago) in Scorpius

213.

June solstice 21 June will be the longest day of 2017 in the northern hemisphere. Wed, 21 Jun 2017 at 00:19 EDT (2,523 days ago) in Taurus

214.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Wed, 21 Jun 2017 at 10:20 EDT (2,523 days ago) in Gemini

215.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Thu, 22 Jun 2017 at 07:08 EDT (2,522 days ago) in Taurus

216.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Mexico. Thu, 22 Jun 2017 at 10:37 EDT (2,522 days ago) in Taurus

217.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Thu, 22 Jun 2017 (2,522 days ago) in Sagittarius

218.

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. Fri, 23 Jun 2017 at 06:51 EDT (2,521 days ago) in Taurus

219.

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. Fri, 23 Jun 2017 at 14:50 EDT (2,521 days ago) in Orion

220.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Fri, 23 Jun 2017 (2,521 days ago) in Corona Australis