261.

June solstice 21 June will be the longest day of 2018 in the northern hemisphere. Thu, 21 Jun 2018 at 06:01 EDT (2,129 days ago) in Taurus

262.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Wed, 20 Jun 2018 (2,130 days ago) in Scorpius

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. Wed, 20 Jun 2018 at 06:51 EDT (2,130 days ago) in Virgo

264.

Close approach of Venus and M44 Venus and M44 pass close to each other. Wed, 20 Jun 2018 at 06:49 EDT (2,130 days ago) in Cancer

265.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Tue, 19 Jun 2018 at 03:10 EDT (2,131 days ago) in Sagittarius

266.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Mon, 18 Jun 2018 (2,132 days ago) in Ophiuchus

267.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 18 Jun 2018 at 19:45 EDT (2,132 days ago) in Aquarius

268.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Sun, 17 Jun 2018 (2,133 days ago) in Ara

269.

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. Sun, 17 Jun 2018 (2,133 days ago) in Scorpius

270.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Sat, 16 Jun 2018 (2,134 days ago) in Scorpius

271.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 16 Jun 2018 at 15:49 EDT (2,134 days ago) in Cancer

272.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Sat, 16 Jun 2018 at 10:22 EDT (2,134 days ago) in Ophiuchus

273.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°20'. Sat, 16 Jun 2018 at 09:11 EDT (2,134 days ago) in Cancer

274.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 16 Jun 2018 at 08:38 EDT (2,134 days ago) in Cancer

275.

Asteroid 29 Amphitrite at opposition Asteroid 29 Amphitrite makes closest approach to the Earth. Fri, 15 Jun 2018 at 12:46 EDT (2,135 days ago) in Scorpius

276.

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, 14 Jun 2018 at 19:52 EDT (2,136 days ago) in Gemini

277.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 13 Jun 2018 at 15:44 EDT (2,137 days ago) in Taurus

278.

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. Tue, 12 Jun 2018 at 18:16 EDT (2,138 days ago) in Taurus

279.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Mon, 11 Jun 2018 (2,139 days ago) in Hercules

280.

Daytime Arietid meteor shower 2018 The Daytime Arietid meteor shower reaches its peak. Sun, 10 Jun 2018 (2,140 days ago) in Aries