261.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sun, 15 Aug 2021 at 11:20 EDT (1,825 days ago) in Libra

262.

Messier 2 is well placed The globular cluster M2 (NGC 7089; mag 6.6) in Aquarius culminates at around midnight local time. Sun, 15 Aug 2021 (1,825 days ago) in Aquarius

263.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Antarctica, New Zealand and Macquarie Island. Mon, 16 Aug 2021 at 05:00 EDT (1,824 days ago) in Scorpius

264.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, appearing larger than at other times of the month – though only very fractionally. Tue, 17 Aug 2021 at 05:15 EDT (1,823 days ago) in Ophiuchus

265.

κ-Cygnid meteor shower 2021 The κ-Cygnid meteor shower reaches its peak. Tue, 17 Aug 2021 (1,822 days ago) in Draco

266.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from parts of the Americas, Bonaire, Saint Eustatius and Saba, Clipperton Island, Grenada and Navassa Island. Wed, 18 Aug 2021 at 23:28 EDT (1,822 days ago) in Sagittarius

267.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 4'48". Thu, 19 Aug 2021 at 00:09 EDT (1,821 days ago) in Leo

268.

Asteroid 43 Ariadne at opposition Asteroid 43 Ariadne makes closest approach to the Earth. Thu, 19 Aug 2021 at 00:46 EDT (1,821 days ago) in Aquarius

269.

Jupiter at opposition Jupiter is optimally positioned for observation, appearing at its closest, brightest and largest. Thu, 19 Aug 2021 at 20:20 EDT (1,821 days ago) in Capricornus

270.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 19 Aug 2021 at 20:57 EDT (1,821 days ago) in Aries

271.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Fri, 20 Aug 2021 at 01:25 EDT (1,820 days ago) in Capricornus

272.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°42'. Fri, 20 Aug 2021 at 18:15 EDT (1,820 days ago) in Capricornus

273.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Fri, 20 Aug 2021 at 19:31 EDT (1,820 days ago) in Capricornus

274.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 20 Aug 2021 at 19:39 EDT (1,820 days ago) in Capricornus

275.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°57'. Sun, 22 Aug 2021 at 00:56 EDT (1,818 days ago) in Capricornus

276.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 22 Aug 2021 at 03:11 EDT (1,818 days ago) in Capricornus

277.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 22 Aug 2021 at 08:01 EDT (1,818 days ago) in Aquarius

278.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Mon, 23 Aug 2021 at 22:22 EDT (1,817 days ago) in Aquarius

279.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Fri, 27 Aug 2021 (1,813 days ago) in Hydra

280.

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. Sun, 29 Aug 2021 at 22:22 EDT (1,811 days ago) in Taurus