421.

Daytime Arietid meteor shower 2020 The Daytime Arietid meteor shower reaches its peak. Wed, 10 Jun 2020 (1,477 days ago) in Aries

422.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Wed, 10 Jun 2020 (1,477 days ago) in Hercules

423.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 1°44'. Fri, 12 Jun 2020 at 08:24 EDT (1,475 days ago) in Aquarius

424.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°44'. Fri, 12 Jun 2020 at 19:54 EDT (1,475 days ago) in Aquarius

425.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 12 Jun 2020 at 22:08 EDT (1,475 days ago) in Aquarius

426.

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. Sat, 13 Jun 2020 at 02:24 EDT (1,474 days ago) in Aquarius

427.

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. Sun, 14 Jun 2020 at 20:56 EDT (1,473 days ago) in Cetus

428.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Mon, 15 Jun 2020 (1,472 days ago) in Scorpius

429.

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. Tue, 16 Jun 2020 (1,471 days ago) in Scorpius

430.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Tue, 16 Jun 2020 (1,471 days ago) in Ara

431.

Comet C/2019 U6 (Lemmon) passes perihelion Comet C/2019 U6 (Lemmon) makes its closest approach to the Sun. Thu, 18 Jun 2020 (1,469 days ago) in Hydra

432.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Thu, 18 Jun 2020 (1,469 days ago) in Ophiuchus

433.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 19 Jun 2020 at 04:32 EDT (1,468 days ago) in Taurus

434.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Russia, Greenland, Canada and Sweden amongst others. Fri, 19 Jun 2020 at 04:32 EDT (1,468 days ago) in Taurus

435.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 44'. Fri, 19 Jun 2020 at 04:54 EDT (1,468 days ago) in Taurus

436.

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. Sat, 20 Jun 2020 at 06:31 EDT (1,467 days ago) in Taurus

437.

June solstice 20 June will be the longest day of 2020 in the northern hemisphere. Sat, 20 Jun 2020 at 17:36 EDT (1,467 days ago) in Taurus

438.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sat, 20 Jun 2020 (1,467 days ago) in Scorpius

439.

Annular solar eclipse There will be an eclipse of the Sun, visible from Asia and Africa. Sun, 21 Jun 2020 at 02:41 EDT (1,466 days ago) in Taurus

440.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 21 Jun 2020 at 02:42 EDT (1,466 days ago) in Taurus