221.

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. Tue, 18 Jun 2019 at 04:14 EDT (1,779 days ago) in Sagittarius

222.

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 (1,779 days ago) in Gemini

223.

Close approach of Mercury and Mars Mercury and Mars pass within 13' of each other. Tue, 18 Jun 2019 at 13:57 EDT (1,779 days ago) in Gemini

224.

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 (1,779 days ago) in Ophiuchus

225.

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 (1,779 days ago) in Sagittarius

226.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 18 Jun 2019 at 23:48 EDT (1,779 days ago) in Sagittarius

227.

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 (1,779 days ago) in Sagittarius

228.

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 (1,777 days ago) in Scorpius

229.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 21 Jun 2019 at 10:13 EDT (1,776 days ago) in Aquarius

230.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (1,776 days ago) in Taurus

231.

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 (1,774 days ago) in Aquarius

232.

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 (1,774 days ago) in Sagittarius

233.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sun, 23 Jun 2019 at 20:56 EDT (1,774 days ago) in Gemini

234.

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 (1,773 days ago) in Corona Australis

235.

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 (1,772 days ago) in Pisces

236.

Supernova SN2019iex discovered A new supernova has been discovered in NGC 7769. Tue, 25 Jun 2019 (1,771 days ago)

237.

June Bootid meteor shower 2019 The June Bootid meteor shower reaches its peak. Thu, 27 Jun 2019 (1,770 days ago) in Bootes

238.

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 (1,768 days ago) in Ophiuchus

239.

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 (1,766 days ago) in Sagittarius

240.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene makes closest approach to the Earth. Mon, 01 Jul 2019 at 22:22 EDT (1,766 days ago) in Scutum