841.

Messier 55 is well placed The globular cluster M55 (NGC 6809l; mag 6.3) in Sagittarius culminates at around midnight local time. Mon, 17 Jul 2023 (366 days ago) in Sagittarius

842.

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, 18 Jul 2023 at 07:24 EDT (365 days ago) in Cancer

843.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°30'. Wed, 19 Jul 2023 at 04:57 EDT (364 days ago) in Cancer

844.

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. Thu, 20 Jul 2023 at 02:56 EDT (363 days ago) in Leo

845.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 7°51'. Thu, 20 Jul 2023 at 04:38 EDT (363 days ago) in Leo

846.

Comet C/2021 T4 (Lemmon) passes perigee Comet C/2021 T4 (Lemmon) makes its closest approach to the Earth. Thu, 20 Jul 2023 (363 days ago) in Telescopium

847.

Comet C/2021 T4 (Lemmon) reaches peak brightness Comet C/2021 T4 (Lemmon) is forecast to reach the brightest point in its 2023 apparition. Thu, 20 Jul 2023 (363 days ago) in Telescopium

848.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°16'. Fri, 21 Jul 2023 at 00:00 EDT (362 days ago) in Leo

849.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 21 Jul 2023 at 02:57 EDT (362 days ago) in Leo

850.

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. Tue, 25 Jul 2023 at 18:07 EDT (358 days ago) in Virgo

851.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 5°17'. Wed, 26 Jul 2023 at 08:45 EDT (357 days ago) in Leo

852.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from Antarctica, Chile, Argentina and Falkland Islands. Fri, 28 Jul 2023 at 01:25 EDT (355 days ago) in Scorpius

853.

Piscis Austrinid meteor shower 2023 The Piscis Austrinid meteor shower reaches its peak. Sat, 29 Jul 2023 (354 days ago) in Piscis Austrinus

854.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 29 Jul 2023 (354 days ago) in Leo

855.

Southern δ-Aquariid meteor shower 2023 The Southern δ-Aquariid meteor shower reaches its peak. Sun, 30 Jul 2023 (353 days ago) in Aquarius

856.

α-Capricornid meteor shower 2023 The α-Capricornid meteor shower reaches its peak. Sun, 30 Jul 2023 (353 days ago) in Capricornus

857.

Comet C/2021 T4 (Lemmon) passes perihelion Comet C/2021 T4 (Lemmon) makes its closest approach to the Sun. Mon, 31 Jul 2023 (352 days ago) in Norma

858.

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. Mon, 31 Jul 2023 at 15:26 EDT (352 days ago) in Sagittarius

859.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 01 Aug 2023 at 14:31 EDT (351 days ago) in Capricornus

860.

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, 02 Aug 2023 at 01:52 EDT (350 days ago) in Capricornus