341.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 48'. Fri, 19 Sep 2025 at 07:46 EDT (507 days away) in Leo

342.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 19 Sep 2025 at 08:30 EDT (507 days away) in Leo

343.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Africa, Asia, Europe, Canada, Greenland, Russia, Corsica, Guernsey, Svalbard, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, Shetland, Orkney, Northern Ireland and RAF Akrotiri. Fri, 19 Sep 2025 at 08:30 EDT (507 days away) in Leo

344.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Sun, 21 Sep 2025 at 01:37 EDT (509 days away) in Pisces

345.

Partial solar eclipse There will be an eclipse of the Sun, visible from Antarctica and Oceania. Sun, 21 Sep 2025 at 15:42 EDT (509 days away) in Virgo

346.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 21 Sep 2025 at 15:55 EDT (509 days away) in Virgo

347.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 22 Sep 2025 at 14:20 EDT (510 days away) in Virgo

348.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 23 Sep 2025 at 08:45 EDT (511 days away) in Pisces

349.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°56'. Wed, 24 Sep 2025 at 10:51 EDT (512 days away) in Virgo

350.

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. Wed, 24 Sep 2025 at 17:45 EDT (512 days away) in Virgo

351.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Wed, 24 Sep 2025 (512 days away) in Sculptor

352.

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. Fri, 26 Sep 2025 at 05:45 EDT (514 days away) in Libra

353.

Daytime Sextantid meteor shower 2025 The Daytime Sextantid meteor shower reaches its peak. Sat, 27 Sep 2025 (515 days away) in Sextans

354.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from Antarctica, French Southern Territories and Bouvet Island. Sat, 27 Sep 2025 at 14:05 EDT (515 days away) in Scorpius

355.

47 Tuc is well placed The second brightest globular cluster in the sky, 47 Tuc (NGC 104; mag 4.0), in Tucana culminates at around midnight local time. Sat, 27 Sep 2025 (515 days away) in Tucana

356.

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. Mon, 29 Sep 2025 at 19:54 EDT (517 days away) in Sagittarius

357.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Thu, 02 Oct 2025 at 07:34 EDT (520 days away) in Leo

358.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Thu, 02 Oct 2025 (520 days away) in Andromeda

359.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Thu, 02 Oct 2025 at 23:15 EDT (520 days away) in Cetus

360.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Fri, 03 Oct 2025 (521 days away) in Sculptor