181.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°13'. Sun, 07 May 2017 at 19:19 EDT (2,540 days ago) in Pisces

182.

η-Lyrid meteor shower 2017 The η-Lyrid meteor shower reaches its peak. Mon, 08 May 2017 (2,539 days ago) in Lyra

183.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 10 May 2017 at 17:42 EDT (2,537 days ago) in Libra

184.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Thu, 11 May 2017 (2,536 days ago) in Serpens Caput

185.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 9°39'. Fri, 12 May 2017 at 08:53 EDT (2,535 days ago) in Cetus

186.

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. Fri, 12 May 2017 at 15:51 EDT (2,535 days ago) in Ophiuchus

187.

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. Sat, 13 May 2017 at 02:20 EDT (2,534 days ago) in Ophiuchus

188.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°04'. Sat, 13 May 2017 at 18:45 EDT (2,534 days ago) in Sagittarius

189.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 13 May 2017 at 19:10 EDT (2,534 days ago) in Sagittarius

190.

Supernova SN2017eaw discovered A new supernova has been discovered in NGC 6946. Sat, 13 May 2017 (2,533 days ago)

191.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Wed, 17 May 2017 at 19:06 EDT (2,530 days ago) in Pisces

192.

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. Thu, 18 May 2017 at 20:33 EDT (2,529 days ago) in Aquarius

193.

Close approach of the Moon and Neptune The Moon and Neptune pass close to each other. Sat, 20 May 2017 at 01:46 EDT (2,527 days ago) in Aquarius

194.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from South Georgia and the South Sandwich Islands, Bouvet Island, Saint Helena and Antarctica. Sat, 20 May 2017 at 01:46 EDT (2,527 days ago) in Aquarius

195.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°23'. Mon, 22 May 2017 at 08:31 EDT (2,525 days ago) in Pisces

196.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 22 May 2017 at 09:55 EDT (2,525 days ago) in Pisces

197.

Supernova SN2017egm discovered A new supernova has been discovered in NGC 3191. Mon, 22 May 2017 (2,524 days ago)

198.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 23 May 2017 at 10:42 EDT (2,524 days ago) in Aries

199.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 23 May 2017 (2,524 days ago) in Pisces

200.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°36'. Tue, 23 May 2017 at 21:19 EDT (2,524 days ago) in Aries