321.

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. Sat, 15 Apr 2017 at 06:04 EDT (2,629 days ago) in Ophiuchus

322.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Fri, 14 Apr 2017 (2,630 days ago) in Canes Venatici

323.

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, 14 Apr 2017 at 04:19 EDT (2,630 days ago) in Libra

324.

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. Fri, 14 Apr 2017 at 01:21 EDT (2,630 days ago) in Pisces

325.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Thu, 13 Apr 2017 (2,631 days ago) in Centaurus

326.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Thu, 13 Apr 2017 (2,631 days ago) in Centaurus

327.

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. Thu, 13 Apr 2017 at 13:00 EDT (2,631 days ago) in Bootes

328.

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. Wed, 12 Apr 2017 at 23:40 EDT (2,632 days ago) in Cetus

329.

Conjunction of Mars and Ceres Mars and Ceres share the same right ascension, at a separation of 3°03'. Tue, 11 Apr 2017 at 19:52 EDT (2,633 days ago) in Aries

330.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 11 Apr 2017 at 02:08 EDT (2,633 days ago) in Virgo

331.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 10 Apr 2017 at 18:42 EDT (2,634 days ago) in Virgo

332.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°10'. Mon, 10 Apr 2017 at 17:21 EDT (2,634 days ago) in Virgo

333.

Comet 41P/Tuttle-Giacobini-Kresak passes perihelion Comet 41P/Tuttle-Giacobini-Kresak makes its closest approach to the Sun. Mon, 10 Apr 2017 (2,634 days ago) in Hercules

334.

Asteroid 63 Ausonia at opposition Asteroid 63 Ausonia makes closest approach to the Earth. Mon, 10 Apr 2017 at 05:34 EDT (2,634 days ago) in Virgo

335.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Sat, 08 Apr 2017 at 17:23 EDT (2,636 days ago) in Virgo

336.

Jupiter at opposition Jupiter lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Fri, 07 Apr 2017 at 17:31 EDT (2,637 days ago) in Virgo

337.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Argentina, Chile, French Polynesia and Pitcairn. Fri, 07 Apr 2017 at 00:33 EDT (2,637 days ago) in Leo

338.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Thu, 06 Apr 2017 at 01:18 EDT (2,638 days ago) in Sagittarius

339.

The Jewel Box cluster is well placed The Jewel Box open star cluster (NGC 4755, also known as the Kappa Crucis Cluster; mag 4.2) in Crux culminates at around midnight local time. Wed, 05 Apr 2017 (2,639 days ago) in Crux

340.

Messier 94 is well placed M94 (mag 8.2), a spiral galaxy in Canes Venatici culminates at around midnight local time. Tue, 04 Apr 2017 (2,640 days ago) in Canes Venatici