181.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 10 May 2017 at 17:42 EDT (2,624 days ago) in Libra

182.

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 (2,623 days ago) in Serpens Caput

183.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 9°39'. Fri, 12 May 2017 at 08:56 EDT (2,622 days ago) in Cetus

184.

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 (2,622 days ago) in Ophiuchus

185.

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 (2,621 days ago) in Ophiuchus

186.

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 (2,621 days ago) in Sagittarius

187.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 13 May 2017 at 19:10 EDT (2,621 days ago) in Sagittarius

188.

Supernova SN2017eaw discovered A new supernova has been discovered in NGC 6946. Sat, 13 May 2017 (2,620 days ago)

189.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Wed, 17 May 2017 at 19:06 EDT (2,617 days ago) in Pisces

190.

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 (2,616 days ago) in Aquarius

191.

Close approach of the Moon and Neptune The Moon and Neptune pass close to each other. Sat, 20 May 2017 at 01:46 EDT (2,614 days ago) in Aquarius

192.

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 (2,614 days ago) in Aquarius

193.

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 (2,612 days ago) in Pisces

194.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 22 May 2017 at 09:55 EDT (2,612 days ago) in Pisces

195.

Supernova SN2017egm discovered A new supernova has been discovered in NGC 3191. Mon, 22 May 2017 (2,611 days ago)

196.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 23 May 2017 at 10:42 EDT (2,611 days ago) in Aries

197.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 23 May 2017 (2,611 days ago) in Pisces

198.

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 (2,611 days ago) in Aries

199.

Close approach of the Moon and Mercury The Moon and Mercury pass close to each other. Tue, 23 May 2017 at 22:07 EDT (2,611 days ago) in Aries

200.

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. Wed, 24 May 2017 at 05:25 EDT (2,610 days ago) in Aries