181.

η-Aquariid meteor shower 2025 The η-Aquariid meteor shower reaches its peak. Mon, 05 May 2025 (377 days away) in Aquarius

182.

Equinox on Saturn Saturn's seasons are changing, making its rings appear edge-on from the Earth. Tue, 06 May 2025 at 02:09 EDT (377 days away) in Pisces

183.

η-Lyrid meteor shower 2025 The η-Lyrid meteor shower reaches its peak. Thu, 08 May 2025 (379 days away) in Lyra

184.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Fri, 09 May 2025 at 03:10 EDT (380 days away) in Libra

185.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°18'. Fri, 09 May 2025 at 07:24 EDT (380 days away) in Cetus

186.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 8°40'. Fri, 09 May 2025 at 14:36 EDT (380 days away) in Cetus

187.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Oceania, Chile, Antarctica, Baker Island, Howland Island and Tokelau. Sat, 10 May 2025 at 04:06 EDT (381 days away) in Virgo

188.

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, 10 May 2025 at 20:46 EDT (381 days away) in Virgo

189.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sun, 11 May 2025 (382 days away) in Serpens Caput

190.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 12 May 2025 at 12:55 EDT (383 days away) in Libra

191.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Argentina, Chile, Uruguay and Antarctica amongst others. Wed, 14 May 2025 at 00:44 EDT (385 days away) in Scorpius

192.

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. Wed, 14 May 2025 at 14:59 EDT (385 days away) in Ophiuchus

193.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 17 May 2025 at 19:23 EDT (388 days away) in Taurus

194.

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. Tue, 20 May 2025 at 07:59 EDT (391 days away) in Aquarius

195.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 22 May 2025 at 11:44 EDT (393 days away) in Pisces

196.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°49'. Thu, 22 May 2025 at 14:00 EDT (393 days away) in Pisces

197.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 23 May 2025 at 16:38 EDT (394 days away) in Pisces

198.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°59'. Fri, 23 May 2025 at 19:51 EDT (394 days away) in Pisces

199.

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, 25 May 2025 at 16:15 EDT (396 days away) in Aries

200.

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. Sun, 25 May 2025 at 21:33 EDT (396 days away) in Aries