301.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 17 Sep 2018 at 12:43 EDT (2,065 days ago) in Sagittarius

302.

Asteroid 30 Urania at opposition Asteroid 30 Urania makes closest approach to the Earth. Wed, 19 Sep 2018 at 07:58 EDT (2,063 days ago) in Pisces

303.

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 (2,063 days ago) in Capricornus

304.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 20 Sep 2018 at 01:19 EDT (2,062 days ago) in Capricornus

305.

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 (2,062 days ago) in Capricornus

306.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Thu, 20 Sep 2018 at 22:01 EDT (2,062 days ago) in Virgo

307.

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 (2,061 days ago) in Capricornus

308.

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 (2,060 days ago) in Virgo

309.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 24 Sep 2018 at 22:52 EDT (2,058 days ago) in Pisces

310.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 25 Sep 2018 at 00:18 EDT (2,057 days ago) in Virgo

311.

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 (2,057 days ago) in Sculptor

312.

Daytime Sextantid meteor shower 2018 The Daytime Sextantid meteor shower reaches its peak. Thu, 27 Sep 2018 (2,055 days ago) in Sextans

313.

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 (2,055 days ago) in Coma Berenices

314.

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 (2,055 days ago) in Tucana

315.

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 (2,053 days ago) in Taurus

316.

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 (2,050 days ago) in Gemini

317.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Tue, 02 Oct 2018 (2,050 days ago) in Andromeda

318.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Wed, 03 Oct 2018 (2,049 days ago) in Sculptor

319.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 04 Oct 2018 at 06:07 EDT (2,048 days ago) in Cancer

320.

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 (2,048 days ago) in Tucana