581.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 23 Jun 2020 at 00:17 EDT (1,484 days ago) in Gemini

582.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Tue, 23 Jun 2020 (1,484 days ago) in Corona Australis

583.

June Bootid meteor shower 2020 The June Bootid meteor shower reaches its peak. Sat, 27 Jun 2020 (1,480 days ago) in Bootes

584.

Asteroid 7 Iris at opposition Asteroid 7 Iris makes closest approach to the Earth. Sat, 27 Jun 2020 at 15:10 EDT (1,480 days ago) in Sagittarius

585.

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. Sun, 28 Jun 2020 at 04:16 EDT (1,479 days ago) in Virgo

586.

Comet C/2019 U6 (Lemmon) passes perigee Comet C/2019 U6 (Lemmon) makes its closest approach to the Earth. Sun, 28 Jun 2020 (1,479 days ago) in Sextans

587.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sun, 28 Jun 2020 (1,479 days ago) in Ophiuchus

588.

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. Mon, 29 Jun 2020 at 22:12 EDT (1,478 days ago) in Virgo

589.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Tue, 30 Jun 2020 (1,477 days ago) in Sagittarius

590.

Supernova SN2020nvb discovered A new supernova has been discovered in NGC 4457. Tue, 30 Jun 2020 (1,476 days ago)

591.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Tue, 30 Jun 2020 at 22:47 EDT (1,477 days ago) in Gemini

592.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Wed, 01 Jul 2020 (1,476 days ago) in Serpens Cauda

593.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Thu, 02 Jul 2020 (1,475 days ago) in Gemini

594.

Asteroid 532 Herculina at opposition Asteroid 532 Herculina makes closest approach to the Earth. Thu, 02 Jul 2020 at 19:58 EDT (1,475 days ago) in Sagittarius

595.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 2020 at 07:34 EDT (1,473 days ago) in Pisces

596.

Comet C/2020 F3 (NEOWISE) passes perihelion Comet C/2020 F3 (NEOWISE) makes its closest approach to the Sun. Sat, 04 Jul 2020 (1,473 days ago) in Auriga

597.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, the Americas and Africa. Sun, 05 Jul 2020 at 00:30 EDT (1,472 days ago) in Sagittarius

598.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 05 Jul 2020 at 00:44 EDT (1,472 days ago) in Sagittarius

599.

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, 05 Jul 2020 at 05:13 EDT (1,472 days ago) in Sagittarius

600.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°51'. Sun, 05 Jul 2020 at 17:38 EDT (1,472 days ago) in Sagittarius