221.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 May 2018 at 10:19 EDT (2,190 days ago) in Ophiuchus

222.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Mon, 28 May 2018 (2,191 days ago) in Scorpius

223.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 27 May 2018 at 15:52 EDT (2,192 days ago) in Libra

224.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°57'. Sun, 27 May 2018 at 13:38 EDT (2,192 days ago) in Libra

225.

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. Mon, 21 May 2018 at 23:49 EDT (2,198 days ago) in Leo

226.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sun, 20 May 2018 at 08:05 EDT (2,199 days ago) in Cancer

227.

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, 17 May 2018 at 17:04 EDT (2,202 days ago) in Orion

228.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°49'. Thu, 17 May 2018 at 14:08 EDT (2,202 days ago) in Taurus

229.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Tue, 15 May 2018 at 19:15 EDT (2,204 days ago) in Taurus

230.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 15 May 2018 at 07:48 EDT (2,204 days ago) in Taurus

231.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°23'. Sun, 13 May 2018 at 13:19 EDT (2,206 days ago) in Pisces

232.

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. Sun, 13 May 2018 at 06:25 EDT (2,206 days ago) in Pisces

233.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sat, 12 May 2018 (2,207 days ago) in Serpens Caput

234.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°24'. Sat, 12 May 2018 at 17:00 EDT (2,207 days ago) in Aries

235.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 9°46'. Fri, 11 May 2018 at 16:56 EDT (2,208 days ago) in Cetus

236.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Thu, 10 May 2018 at 07:53 EDT (2,209 days ago) in Libra

237.

Jupiter at opposition Jupiter 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. Tue, 08 May 2018 at 20:31 EDT (2,211 days ago) in Libra

238.

η-Lyrid meteor shower 2018 The η-Lyrid meteor shower reaches its peak. Tue, 08 May 2018 (2,211 days ago) in Lyra

239.

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. Mon, 07 May 2018 at 22:09 EDT (2,212 days ago) in Capricornus

240.

η-Aquariid meteor shower 2018 The η-Aquariid meteor shower reaches its peak. Sun, 06 May 2018 (2,213 days ago) in Aquarius