241.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 21 Sep 2025 at 15:55 EDT (132 days away) in Virgo

242.

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 (133 days away) in Virgo

243.

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 (134 days away) in Pisces

244.

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 (135 days away) in Virgo

245.

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 (135 days away) in Virgo

246.

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 (135 days away) in Sculptor

247.

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 (137 days away) in Libra

248.

Daytime Sextantid meteor shower 2025 The Daytime Sextantid meteor shower reaches its peak. Sat, 27 Sep 2025 (138 days away) in Sextans

249.

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 (138 days away) in Scorpius

250.

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 (138 days away) in Tucana

251.

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 (140 days away) in Sagittarius

252.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Thu, 02 Oct 2025 at 07:34 EDT (143 days away) in Leo

253.

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 09:12 EDT (143 days away) in Cetus

254.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Thu, 02 Oct 2025 (143 days away) in Andromeda

255.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Fri, 03 Oct 2025 (144 days away) in Sculptor

256.

136472 Makemake at solar conjunction 136472 Makemake 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, 04 Oct 2025 at 01:21 EDT (145 days away) in Coma Berenices

257.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 04 Oct 2025 at 10:10 EDT (145 days away) in Aquarius

258.

The Small Magellanic Cloud is well placed The Milky Way's dwarf companion, the Small Magellanic Cloud (SMC; mag 2.7), in Tucana culminates at around midnight local time. Sat, 04 Oct 2025 (145 days away) in Tucana

259.

October Camelopardalid meteor shower 2025 The October Camelopardalid meteor shower reaches its peak. Sun, 05 Oct 2025 (146 days away) in Draco

260.

NGC 300 is well placed NGC 300 (mag 8.1), a spiral galaxy in Sculptor culminates at around midnight local time. Sun, 05 Oct 2025 (146 days away) in Sculptor