241.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°45'. Wed, 24 May 2023 at 13:33 EDT (345 days ago) in Cancer

242.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 24 May 2023 at 15:19 EDT (345 days ago) in Cancer

243.

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. Thu, 25 May 2023 at 21:38 EDT (344 days ago) in Leo

244.

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. Sat, 27 May 2023 at 11:22 EDT (342 days ago) in Leo

245.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Sun, 28 May 2023 (341 days ago) in Scorpius

246.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 29 May 2023 at 03:44 EDT (340 days ago) in Aries

247.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Tue, 30 May 2023 at 15:30 EDT (339 days ago) in Cancer

248.

Close approach of Mars and M44 Mars and M44 pass close to each other. Fri, 02 Jun 2023 at 19:06 EDT (336 days ago) in Cancer

249.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Fri, 02 Jun 2023 (336 days ago) in Hercules

250.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from countries and territories including Antarctica, Australia, Chile and New Zealand amongst others. Sat, 03 Jun 2023 at 05:56 EDT (335 days ago) in Scorpius

251.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Sat, 03 Jun 2023 (335 days ago) in Ophiuchus

252.

Venus at dichotomy Venus reaches half phase in the evening sky. Sat, 03 Jun 2023 at 22:56 EDT (335 days ago) in Cancer

253.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 03 Jun 2023 at 23:41 EDT (335 days ago) in Scorpius

254.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°54'. Sun, 04 Jun 2023 at 00:34 EDT (334 days ago) in Aries

255.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 04 Jun 2023 at 02:02 EDT (334 days ago) in Aries

256.

Venus at greatest elongation east Venus is bright and well placed in the evening sky. Sun, 04 Jun 2023 at 12:11 EDT (334 days ago) in Cancer

257.

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. Sun, 04 Jun 2023 at 21:58 EDT (334 days ago) in Ophiuchus

258.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 05 Jun 2023 (333 days ago) in Aries

259.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Tue, 06 Jun 2023 at 07:58 EDT (332 days ago) in Ophiuchus

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. Tue, 06 Jun 2023 at 19:05 EDT (332 days ago) in Sagittarius