281.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Canada and Alaska. Thu, 19 Apr 2018 at 00:51 EDT (2,199 days ago) in Taurus

282.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Wed, 18 Apr 2018 at 21:09 EDT (2,200 days ago) in Taurus

283.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 18 Apr 2018 at 09:51 EDT (2,200 days ago) in Pisces

284.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Tue, 17 Apr 2018 at 21:48 EDT (2,201 days ago) in Sagittarius

285.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Tue, 17 Apr 2018 (2,201 days ago) in Canes Venatici

286.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°24'. Tue, 17 Apr 2018 at 15:27 EDT (2,201 days ago) in Aries

287.

Messier 83 is well placed The Southern Pinwheel Galaxy M83 (NGC 5236; mag 7.2), a face-on spiral galaxy in Hydra culminates at around midnight local time. Mon, 16 Apr 2018 (2,202 days ago) in Hydra

288.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 15 Apr 2018 at 21:58 EDT (2,203 days ago) in Pisces

289.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sat, 14 Apr 2018 at 20:43 EDT (2,204 days ago) in Bootes

290.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Sat, 14 Apr 2018 (2,204 days ago) in Canes Venatici

291.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°54'. Sat, 14 Apr 2018 at 05:24 EDT (2,204 days ago) in Pisces

292.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Fri, 13 Apr 2018 (2,205 days ago) in Centaurus

293.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Fri, 13 Apr 2018 (2,205 days ago) in Centaurus

294.

136199 Eris at solar conjunction 136199 Eris is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 13 Apr 2018 at 11:29 EDT (2,205 days ago) in Cetus

295.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Fri, 13 Apr 2018 at 00:19 EDT (2,205 days ago) in Aquarius

296.

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. Sun, 08 Apr 2018 at 03:18 EDT (2,210 days ago) in Sagittarius

297.

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, 08 Apr 2018 at 01:31 EDT (2,210 days ago) in Sagittarius

298.

Saturn at aphelion Saturn passes the furthest point along its orbit from the Sun. Sat, 07 Apr 2018 at 14:56 EDT (2,211 days ago) in Sagittarius

299.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°07'. Sat, 07 Apr 2018 at 14:15 EDT (2,211 days ago) in Sagittarius

300.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 07 Apr 2018 at 14:12 EDT (2,211 days ago) in Sagittarius