221.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 14'. Tue, 18 Jun 2019 at 10:35 EDT (2,490 days ago) in Gemini

222.

Close approach of Mercury and Mars Mercury and Mars pass within 13' of each other. Tue, 18 Jun 2019 at 13:57 EDT (2,490 days ago) in Gemini

223.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Tue, 18 Jun 2019 (2,490 days ago) in Ophiuchus

224.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 26'. Tue, 18 Jun 2019 at 23:45 EDT (2,490 days ago) in Sagittarius

225.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 18 Jun 2019 at 23:48 EDT (2,490 days ago) in Sagittarius

226.

Lunar occultation of Saturn The Moon will pass in front of Saturn, creating a lunar occultation visible from countries and territories including Argentina, South Africa, Namibia and Chile amongst others. Tue, 18 Jun 2019 at 23:48 EDT (2,490 days ago) in Sagittarius

227.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Thu, 20 Jun 2019 (2,488 days ago) in Scorpius

228.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 21 Jun 2019 at 10:13 EDT (2,487 days ago) in Aquarius

229.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (2,487 days ago) in Taurus

230.

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. Sun, 23 Jun 2019 at 03:49 EDT (2,485 days ago) in Aquarius

231.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Sun, 23 Jun 2019 (2,485 days ago) in Sagittarius

232.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sun, 23 Jun 2019 at 20:56 EDT (2,485 days ago) in Gemini

233.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Mon, 24 Jun 2019 (2,484 days ago) in Corona Australis

234.

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. Tue, 25 Jun 2019 at 05:47 EDT (2,483 days ago) in Pisces

235.

Supernova SN2019iex discovered A new supernova has been discovered in NGC 7769. Tue, 25 Jun 2019 (2,482 days ago)

236.

June Bootid meteor shower 2019 The June Bootid meteor shower reaches its peak. Thu, 27 Jun 2019 (2,481 days ago) in Bootes

237.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sat, 29 Jun 2019 (2,479 days ago) in Ophiuchus

238.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Mon, 01 Jul 2019 (2,477 days ago) in Sagittarius

239.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene makes closest approach to the Earth. Tue, 02 Jul 2019 at 07:58 EDT (2,476 days ago) in Scutum

240.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Tue, 02 Jul 2019 at 08:23 EDT (2,476 days ago) in Gemini