321.

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 (2,651 days ago) in Canes Venatici

322.

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 (2,651 days ago) in Libra

323.

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 (2,651 days ago) in Pisces

324.

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 (2,652 days ago) in Centaurus

325.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Thu, 13 Apr 2017 (2,652 days ago) in Centaurus

326.

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 12:57 EDT (2,652 days ago) in Bootes

327.

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 23:42 EDT (2,653 days ago) in Cetus

328.

Conjunction of Mars and Ceres Mars and Ceres share the same right ascension, at a separation of 3°04'. Tue, 11 Apr 2017 at 15:20 EDT (2,654 days ago) in Aries

329.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 11 Apr 2017 at 02:08 EDT (2,654 days ago) in Virgo

330.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 10 Apr 2017 at 18:42 EDT (2,655 days ago) in Virgo

331.

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 (2,655 days ago) in Virgo

332.

Asteroid 63 Ausonia at opposition Asteroid 63 Ausonia makes closest approach to the Earth. Mon, 10 Apr 2017 at 10:22 EDT (2,655 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 (2,655 days ago) in Hercules

334.

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 (2,657 days ago) in Virgo

335.

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 (2,658 days ago) in Virgo

336.

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 (2,658 days ago) in Leo

337.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Thu, 06 Apr 2017 at 01:18 EDT (2,659 days ago) in Sagittarius

338.

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 (2,660 days ago) in Crux

339.

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 (2,661 days ago) in Canes Venatici

340.

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. Mon, 03 Apr 2017 at 14:39 EDT (2,662 days ago) in Gemini