661.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 02 Jul 2033 at 03:28 EDT (3,273 days away) in Gemini

662.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Fri, 01 Jul 2033 (3,272 days away) in Serpens Cauda

663.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Fri, 01 Jul 2033 (3,272 days away) in Sagittarius

664.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Tue, 28 Jun 2033 (3,269 days away) in Ophiuchus

665.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Mon, 27 Jun 2033 at 21:23 EDT (3,268 days away) in Sagittarius

666.

June Bootid meteor shower 2033 The June Bootid meteor shower reaches its peak. Mon, 27 Jun 2033 (3,268 days away) in Bootes

667.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 26 Jun 2033 at 17:08 EDT (3,267 days away) in Gemini

668.

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. Sun, 26 Jun 2033 at 14:02 EDT (3,267 days away) in Orion

669.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sat, 25 Jun 2033 at 17:37 EDT (3,266 days away) in Aquarius

670.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 25 Jun 2033 at 08:33 EDT (3,266 days away) in Gemini

671.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Thu, 23 Jun 2033 (3,264 days away) in Corona Australis

672.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 9'05". Thu, 23 Jun 2033 at 07:05 EDT (3,264 days away) in Aries

673.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Africa, Latin America and the Caribbean, Western Asia, Southern Europe, France, Bonaire, Saint Eustatius and Saba, Corsica, Grenada, Navassa Island, the Portuguese Azores, Madeira, the Savage Islands, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, the Canary Islands and RAF Akrotiri. Thu, 23 Jun 2033 at 07:02 EDT (3,264 days away) in Aries

674.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Thu, 23 Jun 2033 at 07:02 EDT (3,264 days away) in Aries

675.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Wed, 22 Jun 2033 (3,263 days away) in Sagittarius

676.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 22 Jun 2033 at 18:39 EDT (3,263 days away) in Gemini

677.

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. Mon, 20 Jun 2033 at 21:35 EDT (3,261 days away) in Pisces

678.

June solstice 21 June will be the longest day of 2033 in the northern hemisphere. Mon, 20 Jun 2033 at 21:03 EDT (3,261 days away) in Taurus

679.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Mon, 20 Jun 2033 (3,261 days away) in Scorpius

680.

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. Sun, 19 Jun 2033 at 19:29 EDT (3,260 days away) in Pisces