661.

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. Fri, 06 Oct 2023 at 09:48 EDT (314 days ago) in Gemini

662.

NGC 362 is well placed The globular cluster NGC 362 (mag 6.6) in Tucana culminates at around midnight local time. Sat, 07 Oct 2023 (313 days ago) in Tucana

663.

Draconid meteor shower 2023 The Draconid meteor shower reaches its peak. Mon, 09 Oct 2023 (311 days ago) in Draco

664.

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, 09 Oct 2023 at 23:41 EDT (311 days ago) in Leo

665.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 6°29'. Tue, 10 Oct 2023 at 05:45 EDT (310 days ago) in Leo

666.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Tue, 10 Oct 2023 at 11:41 EDT (310 days ago) in Leo

667.

Southern Taurid meteor shower 2023 The Southern Taurid meteor shower reaches its peak. Tue, 10 Oct 2023 (310 days ago) in Cetus

668.

δ-Aurigid meteor shower 2023 The δ-Aurigid meteor shower reaches its peak. Wed, 11 Oct 2023 (309 days ago) in Auriga

669.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 14 Oct 2023 at 13:56 EDT (306 days ago) in Virgo

670.

Annular solar eclipse There will be an eclipse of the Sun, visible from the Americas. Sat, 14 Oct 2023 at 14:00 EDT (306 days ago) in Virgo

671.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Sun, 15 Oct 2023 (305 days ago) in Triangulum

672.

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, 17 Oct 2023 at 02:44 EDT (303 days ago) in Libra

673.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 18 Oct 2023 at 05:12 EDT (302 days ago) in Virgo

674.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Saudi Arabia, Iran, Yemen and Iraq amongst others. Wed, 18 Oct 2023 at 10:13 EDT (302 days ago) in Scorpius

675.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 18 Oct 2023 at 12:19 EDT (302 days ago) in Cetus

676.

ε-Geminid meteor shower 2023 The ε-Geminid meteor shower reaches its peak. Wed, 18 Oct 2023 (302 days ago) in Gemini

677.

Venus at highest altitude in morning sky Venus is bright and well placed in the dawn sky. Thu, 19 Oct 2023 (300 days ago) in Leo

678.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 20 Oct 2023 at 01:49 EDT (300 days ago) in Virgo

679.

Orionid meteor shower 2023 The Orionid meteor shower reaches its peak. Sat, 21 Oct 2023 (298 days ago) in Orion

680.

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, 21 Oct 2023 at 23:29 EDT (299 days ago) in Sagittarius