401.

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

402.

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

403.

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

404.

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

405.

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

406.

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

407.

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

408.

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

409.

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

410.

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

411.

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

412.

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

413.

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

414.

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

415.

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

416.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Sat, 01 Apr 2017 (2,664 days ago) in Virgo

417.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from countries and territories including Russia, China, Japan and North Korea amongst others. Sat, 01 Apr 2017 at 05:08 EDT (2,664 days ago) in Taurus

418.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 01 Apr 2017 at 02:00 EDT (2,664 days ago) in Aries

419.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 01 Apr 2017 (2,664 days ago) in Aries

420.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sat, 01 Apr 2017 at 01:30 EDT (2,664 days ago) in Taurus