521.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 09 Jul 2021 (1,133 days ago) in Taurus

522.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 09 Jul 2021 at 13:48 EDT (1,133 days ago) in Taurus

523.

The Great Peacock Globular Cluster is well placed The bright globular cluster NGC 6752 (mag 5.4) in Pavo culminates at around midnight local time. Fri, 09 Jul 2021 (1,133 days ago) in Pavo

524.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 09 Jul 2021 at 21:17 EDT (1,133 days ago) in Gemini

525.

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. Fri, 09 Jul 2021 at 21:50 EDT (1,133 days ago) in Gemini

526.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,132 days ago) in Virgo

527.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°15'. Mon, 12 Jul 2021 at 05:09 EDT (1,130 days ago) in Leo

528.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°46'. Mon, 12 Jul 2021 at 06:10 EDT (1,130 days ago) in Leo

529.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Mon, 12 Jul 2021 at 21:36 EDT (1,130 days ago) in Leo

530.

Conjunction of Venus and Mars Venus and Mars share the same right ascension, at a separation of 29'. Tue, 13 Jul 2021 at 03:08 EDT (1,129 days ago) in Leo

531.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Tue, 13 Jul 2021 (1,129 days ago) in Taurus

532.

Close approach of Venus and Mars Venus and Mars pass within 28' of each other. Tue, 13 Jul 2021 at 09:34 EDT (1,129 days ago) in Leo

533.

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. Sat, 17 Jul 2021 at 06:11 EDT (1,125 days ago) in Virgo

534.

Messier 55 is well placed The globular cluster M55 (NGC 6809l; mag 6.3) in Sagittarius culminates at around midnight local time. Sat, 17 Jul 2021 (1,125 days ago) in Sagittarius

535.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Sun, 18 Jul 2021 at 07:58 EDT (1,124 days ago) in Aquila

536.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from countries and territories including Argentina, Chile, Antarctica and Uruguay amongst others. Mon, 19 Jul 2021 at 22:50 EDT (1,123 days ago) in Scorpius

537.

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. Wed, 21 Jul 2021 at 06:24 EDT (1,121 days ago) in Ophiuchus

538.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Africa, Asia, Eastern Europe, Greece, Russia, Macedonia and RAF Akrotiri. Thu, 22 Jul 2021 at 15:32 EDT (1,120 days ago) in Sagittarius

539.

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. Fri, 23 Jul 2021 at 09:44 EDT (1,119 days ago) in Sagittarius

540.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 23 Jul 2021 at 21:04 EDT (1,119 days ago) in Gemini