281.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Sun, 06 Jun 2021 (1,078 days ago) in Ophiuchus

282.

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, 07 Jun 2021 at 22:27 EDT (1,077 days ago) in Aries

283.

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. Tue, 08 Jun 2021 at 23:43 EDT (1,076 days ago) in Taurus

284.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 09 Jun 2021 at 21:21 EDT (1,075 days ago) in Taurus

285.

Annular solar eclipse There will be an eclipse of the Sun, visible from eastern Canada, western Greenland and eastern Russia. Thu, 10 Jun 2021 at 06:42 EDT (1,074 days ago) in Taurus

286.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 10 Jun 2021 at 06:54 EDT (1,074 days ago) in Taurus

287.

Daytime Arietid meteor shower 2021 The Daytime Arietid meteor shower reaches its peak. Thu, 10 Jun 2021 (1,074 days ago) in Aries

288.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Thu, 10 Jun 2021 at 21:07 EDT (1,074 days ago) in Taurus

289.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Fri, 11 Jun 2021 (1,073 days ago) in Hercules

290.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°28'. Sat, 12 Jun 2021 at 02:42 EDT (1,072 days ago) in Gemini

291.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Sat, 12 Jun 2021 at 17:18 EDT (1,072 days ago) in Gemini

292.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°48'. Sun, 13 Jun 2021 at 15:52 EDT (1,071 days ago) in Cancer

293.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 13 Jun 2021 at 16:47 EDT (1,071 days ago) in Cancer

294.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Tue, 15 Jun 2021 (1,069 days ago) in Scorpius

295.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Wed, 16 Jun 2021 (1,068 days ago) in Scorpius

296.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,067 days ago) in Pisces

297.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Thu, 17 Jun 2021 (1,067 days ago) in Ara

298.

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. Thu, 17 Jun 2021 at 23:54 EDT (1,067 days ago) in Virgo

299.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Fri, 18 Jun 2021 (1,066 days ago) in Ophiuchus

300.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 11:07 EDT (1,064 days ago) in Aquarius