241.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°38'. Thu, 31 May 2018 at 21:03 EDT (2,158 days ago) in Sagittarius

242.

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. Thu, 31 May 2018 at 04:24 EDT (2,158 days ago) in Sagittarius

243.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 May 2018 at 10:19 EDT (2,160 days ago) in Ophiuchus

244.

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 (2,161 days ago) in Scorpius

245.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 27 May 2018 at 15:52 EDT (2,162 days ago) in Libra

246.

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 (2,162 days ago) in Libra

247.

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 (2,168 days ago) in Leo

248.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sun, 20 May 2018 at 08:05 EDT (2,169 days ago) in Cancer

249.

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 (2,172 days ago) in Orion

250.

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 (2,172 days ago) in Taurus

251.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Tue, 15 May 2018 at 19:15 EDT (2,174 days ago) in Taurus

252.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 15 May 2018 at 07:48 EDT (2,174 days ago) in Taurus

253.

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 (2,176 days ago) in Pisces

254.

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 (2,176 days ago) in Pisces

255.

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 (2,177 days ago) in Serpens Caput

256.

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 (2,177 days ago) in Aries

257.

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 (2,178 days ago) in Cetus

258.

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 (2,179 days ago) in Libra

259.

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 (2,181 days ago) in Libra

260.

η-Lyrid meteor shower 2018 The η-Lyrid meteor shower reaches its peak. Tue, 08 May 2018 (2,181 days ago) in Lyra