241.

Asteroid 30 Urania at opposition Asteroid 30 Urania makes closest approach to the Earth. Wed, 19 Sep 2018 at 07:58 EDT (2,068 days ago) in Pisces

242.

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. Wed, 19 Sep 2018 at 20:53 EDT (2,068 days ago) in Capricornus

243.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 20 Sep 2018 at 01:19 EDT (2,067 days ago) in Capricornus

244.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°46'. Thu, 20 Sep 2018 at 02:40 EDT (2,067 days ago) in Capricornus

245.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Thu, 20 Sep 2018 at 22:01 EDT (2,067 days ago) in Virgo

246.

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. Fri, 21 Sep 2018 at 20:56 EDT (2,066 days ago) in Capricornus

247.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sat, 22 Sep 2018 at 21:48 EDT (2,065 days ago) in Virgo

248.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 24 Sep 2018 at 22:52 EDT (2,063 days ago) in Pisces

249.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 25 Sep 2018 at 00:18 EDT (2,062 days ago) in Virgo

250.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Tue, 25 Sep 2018 (2,062 days ago) in Sculptor

251.

Daytime Sextantid meteor shower 2018 The Daytime Sextantid meteor shower reaches its peak. Thu, 27 Sep 2018 (2,060 days ago) in Sextans

252.

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. Thu, 27 Sep 2018 at 15:46 EDT (2,060 days ago) in Coma Berenices

253.

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. Thu, 27 Sep 2018 (2,060 days ago) in Tucana

254.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sat, 29 Sep 2018 at 23:11 EDT (2,058 days ago) in Taurus

255.

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. Tue, 02 Oct 2018 at 05:45 EDT (2,055 days ago) in Gemini

256.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Tue, 02 Oct 2018 (2,055 days ago) in Andromeda

257.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Wed, 03 Oct 2018 (2,054 days ago) in Sculptor

258.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 04 Oct 2018 at 06:07 EDT (2,053 days ago) in Cancer

259.

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. Thu, 04 Oct 2018 (2,053 days ago) in Tucana

260.

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. Fri, 05 Oct 2018 at 18:26 EDT (2,052 days ago) in Leo