301.

Aurigid meteor shower 2019 The Aurigid meteor shower reaches its peak. Sun, 01 Sep 2019 (2,291 days ago) in Auriga

302.

Mars at solar conjunction Mars is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 02 Sep 2019 at 06:17 EST (2,290 days ago) in Leo

303.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 03 Sep 2019 at 21:48 EST (2,289 days ago) in Leo

304.

Asteroid 135 Hertha at opposition Asteroid 135 Hertha makes closest approach to the Earth. Wed, 04 Sep 2019 at 19:58 EST (2,288 days ago) in Aquarius

305.

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. Thu, 05 Sep 2019 at 23:11 EST (2,287 days ago) in Ophiuchus

306.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°18'. Fri, 06 Sep 2019 at 02:51 EST (2,286 days ago) in Ophiuchus

307.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 06 Sep 2019 at 03:39 EST (2,286 days ago) in Ophiuchus

308.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2'24". Sun, 08 Sep 2019 at 09:41 EST (2,284 days ago) in Sagittarius

309.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 08 Sep 2019 at 09:41 EST (2,284 days ago) in Sagittarius

310.

Lunar occultation of Saturn The Moon will pass in front of Saturn, creating a lunar occultation visible from countries and territories including Australia, Indonesia, Papua New Guinea and East Timor amongst others. Sun, 08 Sep 2019 at 09:41 EST (2,284 days ago) in Sagittarius

311.

September ε-Perseid meteor shower 2019 The September ε-Perseid meteor shower reaches its peak. Mon, 09 Sep 2019 (2,283 days ago) in Perseus

312.

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, 10 Sep 2019 at 03:15 EST (2,282 days ago) in Aquarius

313.

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. Wed, 11 Sep 2019 at 06:15 EST (2,281 days ago) in Capricornus

314.

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, 13 Sep 2019 at 09:32 EST (2,279 days ago) in Aquarius

315.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 14 Sep 2019 at 00:32 EST (2,279 days ago) in Aquarius

316.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Wed, 18 Sep 2019 at 04:25 EST (2,274 days ago) in Sagittarius

317.

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. Sat, 21 Sep 2019 at 22:41 EST (2,271 days ago) in Orion

318.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 23 Sep 2019 at 03:43 EST (2,269 days ago) in Virgo

319.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Tue, 24 Sep 2019 at 18:00 EST (2,268 days ago) in Cancer

320.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Wed, 25 Sep 2019 (2,267 days ago) in Sculptor