301.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Mon, 28 Jun 2021 (1,093 days ago) in Ophiuchus

302.

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. Thu, 01 Jul 2021 at 17:11 EDT (1,090 days ago) in Cetus

303.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Thu, 01 Jul 2021 (1,090 days ago) in Sagittarius

304.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Thu, 01 Jul 2021 (1,090 days ago) in Serpens Cauda

305.

Close approach of Venus and M44 Venus and M44 pass close to each other. Sat, 03 Jul 2021 at 07:41 EDT (1,088 days ago) in Cancer

306.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 05 Jul 2021 at 00:11 EDT (1,086 days ago) in Taurus

307.

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. Mon, 05 Jul 2021 at 10:46 EDT (1,086 days ago) in Taurus

308.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 05 Jul 2021 at 18:27 EDT (1,086 days ago) in Pisces

309.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 2021 apparition. Tue, 06 Jul 2021 (1,085 days ago) in Aries

310.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°45'. Thu, 08 Jul 2021 at 00:39 EDT (1,083 days ago) in Taurus

311.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 09 Jul 2021 (1,082 days ago) in Taurus

312.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 09 Jul 2021 at 13:48 EDT (1,082 days ago) in Taurus

313.

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 (1,082 days ago) in Pavo

314.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 09 Jul 2021 at 21:17 EDT (1,082 days ago) in Gemini

315.

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 (1,082 days ago) in Gemini

316.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,081 days ago) in Virgo

317.

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 (1,079 days ago) in Leo

318.

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 (1,079 days ago) in Leo

319.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Mon, 12 Jul 2021 at 21:36 EDT (1,079 days ago) in Leo

320.

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 (1,078 days ago) in Leo