241.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 03 May 2018 at 12:44 EDT (2,210 days ago) in Pisces

242.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°41'. Fri, 04 May 2018 at 16:14 EDT (2,209 days ago) in Sagittarius

243.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 04 May 2018 at 16:16 EDT (2,209 days ago) in Sagittarius

244.

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. Sat, 05 May 2018 at 20:34 EDT (2,208 days ago) in Sagittarius

245.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 06 May 2018 at 02:49 EDT (2,207 days ago) in Sagittarius

246.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°44'. Sun, 06 May 2018 at 03:24 EDT (2,207 days ago) in Sagittarius

247.

η-Aquariid meteor shower 2018 The η-Aquariid meteor shower reaches its peak. Sun, 06 May 2018 (2,207 days ago) in Aquarius

248.

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 (2,206 days ago) in Capricornus

249.

η-Lyrid meteor shower 2018 The η-Lyrid meteor shower reaches its peak. Tue, 08 May 2018 (2,205 days ago) in Lyra

250.

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 (2,205 days ago) in Libra

251.

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 (2,203 days ago) in Libra

252.

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 (2,202 days ago) in Cetus

253.

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 (2,201 days ago) in Aries

254.

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 (2,201 days ago) in Serpens Caput

255.

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 (2,200 days ago) in Pisces

256.

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 (2,200 days ago) in Pisces

257.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 15 May 2018 at 07:48 EDT (2,198 days ago) in Taurus

258.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Tue, 15 May 2018 at 19:15 EDT (2,198 days ago) in Taurus

259.

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 (2,196 days ago) in Taurus

260.

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 (2,196 days ago) in Orion