501.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 03 Aug 2020 at 11:58 EDT (1,424 days ago) in Capricornus

502.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Tue, 04 Aug 2020 (1,423 days ago) in Corvus

503.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Wed, 05 Aug 2020 at 23:57 EDT (1,422 days ago) in Cancer

504.

Supernova SN2020rcq discovered A new supernova has been discovered in UGC 6930. Sat, 08 Aug 2020 (1,418 days ago)

505.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 45'. Sun, 09 Aug 2020 at 03:59 EDT (1,418 days ago) in Pisces

506.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 09 Aug 2020 at 04:38 EDT (1,418 days ago) in Pisces

507.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from countries and territories including Argentina, Brazil, Antarctica and Chile amongst others. Sun, 09 Aug 2020 at 04:38 EDT (1,418 days ago) in Pisces

508.

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, 09 Aug 2020 at 09:50 EDT (1,418 days ago) in Pisces

509.

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. Tue, 11 Aug 2020 at 12:45 EDT (1,416 days ago) in Aries

510.

Perseid meteor shower 2020 The Perseid meteor shower reaches its peak. Wed, 12 Aug 2020 (1,415 days ago) in Perseus

511.

Venus at dichotomy Venus reaches half phase in the dawn sky. Wed, 12 Aug 2020 at 16:53 EDT (1,415 days ago) in Orion

512.

Venus at greatest elongation west Venus is bright and well placed in the dawn sky. Thu, 13 Aug 2020 at 09:17 EDT (1,414 days ago) in Gemini

513.

Messier 15 is well placed The globular cluster M15 (NGC 7078; mag 6.3) in Pegasus culminates at around midnight local time. Thu, 13 Aug 2020 (1,414 days ago) in Pegasus

514.

Comet C/2020 Q1 (Borisov) passes perihelion Comet C/2020 Q1 (Borisov) makes its closest approach to the Sun. Fri, 14 Aug 2020 (1,413 days ago) in Taurus

515.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Fri, 14 Aug 2020 (1,413 days ago) in Aquarius

516.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 15 Aug 2020 at 08:44 EDT (1,412 days ago) in Gemini

517.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°59'. Sat, 15 Aug 2020 at 09:01 EDT (1,412 days ago) in Gemini

518.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sat, 15 Aug 2020 at 09:40 EDT (1,412 days ago) in Aries

519.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Sat, 15 Aug 2020 at 10:38 EDT (1,412 days ago) in Aquarius

520.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Mon, 17 Aug 2020 at 11:15 EDT (1,410 days ago) in Leo