321.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 14 Oct 2023 at 13:56 EDT (224 days ago) in Virgo

322.

Annular solar eclipse There will be an eclipse of the Sun, visible from the Americas. Sat, 14 Oct 2023 at 14:00 EDT (224 days ago) in Virgo

323.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Sun, 15 Oct 2023 (223 days ago) in Triangulum

324.

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 (221 days ago) in Libra

325.

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 (220 days ago) in Virgo

326.

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 (220 days ago) in Scorpius

327.

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 12:18 EDT (220 days ago) in Cetus

328.

ε-Geminid meteor shower 2023 The ε-Geminid meteor shower reaches its peak. Wed, 18 Oct 2023 (220 days ago) in Gemini

329.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 20 Oct 2023 at 01:49 EDT (218 days ago) in Virgo

330.

Orionid meteor shower 2023 The Orionid meteor shower reaches its peak. Sat, 21 Oct 2023 (216 days ago) in Orion

331.

Venus at highest altitude in morning sky Venus is bright and well placed in the dawn sky. Sat, 21 Oct 2023 (216 days ago) in Leo

332.

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 (217 days ago) in Sagittarius

333.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Sun, 22 Oct 2023 (216 days ago) in Virgo

334.

Venus at dichotomy Venus reaches half phase in the dawn sky. Sun, 22 Oct 2023 at 17:36 EDT (216 days ago) in Leo

335.

Venus at greatest elongation west Venus is bright and well placed in the dawn sky. Mon, 23 Oct 2023 at 20:05 EDT (215 days ago) in Leo

336.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°46'. Tue, 24 Oct 2023 at 03:55 EDT (214 days ago) in Aquarius

337.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 24 Oct 2023 at 05:47 EDT (214 days ago) in Aquarius

338.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 24 Oct 2023 at 09:20 EDT (214 days ago) in Bootes

339.

Leonis Minorid meteor shower 2023 The Leonis Minorid meteor shower reaches its peak. Tue, 24 Oct 2023 (213 days ago) in Leo Minor

340.

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, 25 Oct 2023 at 23:01 EDT (213 days ago) in Aquarius