241.

Comet C/2017 T2 (PANSTARRS) reaches peak brightness Comet C/2017 T2 (PANSTARRS) is forecast to reach the brightest point in its 2020 apparition. Thu, 14 May 2020 (1,450 days ago) in Camelopardalis

242.

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, 14 May 2020 at 10:03 EDT (1,450 days ago) in Capricornus

243.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 14 May 2020 at 10:33 EDT (1,450 days ago) in Sagittarius

244.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°45'. Thu, 14 May 2020 at 22:01 EDT (1,450 days ago) in Aquarius

245.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 14 May 2020 at 23:51 EDT (1,450 days ago) in Aquarius

246.

Close approach of Jupiter and Saturn Jupiter and Saturn pass within 4°41' of each other. Mon, 18 May 2020 at 00:42 EDT (1,446 days ago) in Capricornus

247.

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. Mon, 18 May 2020 at 03:44 EDT (1,446 days ago) in Cetus

248.

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, 20 May 2020 at 10:46 EDT (1,444 days ago) in Cetus

249.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 53'. Fri, 22 May 2020 at 03:52 EDT (1,442 days ago) in Taurus

250.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 22 May 2020 at 13:40 EDT (1,442 days ago) in Taurus

251.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°41'. Sat, 23 May 2020 at 22:41 EDT (1,441 days ago) in Taurus

252.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°46'. Sun, 24 May 2020 at 06:51 EDT (1,440 days ago) in Taurus

253.

Comet 58P/Jackson-Neujmin passes perihelion Comet 58P/Jackson-Neujmin makes its closest approach to the Sun. Wed, 27 May 2020 (1,437 days ago) in Pisces

254.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Thu, 28 May 2020 (1,436 days ago) in Scorpius

255.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 29 May 2020 at 12:50 EDT (1,435 days ago) in Gemini

256.

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. Fri, 29 May 2020 at 23:30 EDT (1,435 days ago) in Leo

257.

Supernova SN2020llx discovered A new supernova has been discovered in NGC 7140. Sat, 30 May 2020 (1,433 days ago)

258.

Conjunction of Mars and Ceres Mars and Ceres share the same right ascension, at a separation of 7°56'. Sun, 31 May 2020 at 16:51 EDT (1,433 days ago) in Aquarius

259.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Mon, 01 Jun 2020 (1,432 days ago) in Gemini

260.

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. Mon, 01 Jun 2020 (1,432 days ago) in Hercules