421.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°27'. Mon, 28 Jun 2021 at 14:41 EDT (1,115 days ago) in Aquarius

422.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 28 Jun 2021 at 17:27 EDT (1,115 days ago) in Aquarius

423.

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 (1,115 days ago) in Ophiuchus

424.

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 (1,112 days ago) in Cetus

425.

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 (1,112 days ago) in Sagittarius

426.

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 (1,112 days ago) in Serpens Cauda

427.

Close approach of Venus and M44 Venus and M44 pass close to each other. Sat, 03 Jul 2021 at 07:41 EDT (1,110 days ago) in Cancer

428.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 05 Jul 2021 at 00:11 EDT (1,108 days ago) in Taurus

429.

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 (1,108 days ago) in Taurus

430.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 05 Jul 2021 at 18:27 EDT (1,108 days ago) in Pisces

431.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 2021 apparition. Tue, 06 Jul 2021 (1,107 days ago) in Aries

432.

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 (1,105 days ago) in Taurus

433.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 09 Jul 2021 (1,104 days ago) in Taurus

434.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 09 Jul 2021 at 13:48 EDT (1,104 days ago) in Taurus

435.

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 (1,104 days ago) in Pavo

436.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 09 Jul 2021 at 21:17 EDT (1,104 days ago) in Gemini

437.

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 (1,104 days ago) in Gemini

438.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,103 days ago) in Virgo

439.

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 (1,101 days ago) in Leo

440.

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 (1,101 days ago) in Leo