321.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°03'. Mon, 17 Sep 2018 at 12:29 EDT (2,050 days ago) in Sagittarius

322.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 17 Sep 2018 at 12:43 EDT (2,050 days ago) in Sagittarius

323.

Asteroid 30 Urania at opposition Asteroid 30 Urania makes closest approach to the Earth. Wed, 19 Sep 2018 at 07:58 EDT (2,048 days ago) in Pisces

324.

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 (2,048 days ago) in Capricornus

325.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 20 Sep 2018 at 01:19 EDT (2,047 days ago) in Capricornus

326.

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 (2,047 days ago) in Capricornus

327.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Thu, 20 Sep 2018 at 22:01 EDT (2,047 days ago) in Virgo

328.

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 (2,046 days ago) in Capricornus

329.

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 (2,045 days ago) in Virgo

330.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 24 Sep 2018 at 22:52 EDT (2,043 days ago) in Pisces

331.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 25 Sep 2018 at 00:18 EDT (2,042 days ago) in Virgo

332.

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 (2,042 days ago) in Sculptor

333.

Daytime Sextantid meteor shower 2018 The Daytime Sextantid meteor shower reaches its peak. Thu, 27 Sep 2018 (2,040 days ago) in Sextans

334.

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 (2,040 days ago) in Coma Berenices

335.

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 (2,040 days ago) in Tucana

336.

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 (2,038 days ago) in Taurus

337.

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 (2,035 days ago) in Gemini

338.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Tue, 02 Oct 2018 (2,035 days ago) in Andromeda

339.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Wed, 03 Oct 2018 (2,034 days ago) in Sculptor

340.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 04 Oct 2018 at 06:07 EDT (2,033 days ago) in Cancer