401.

Supernova SN2017dhr discovered A new supernova has been discovered in NGC 2076. Wed, 19 Apr 2017 (2,624 days ago)

402.

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. Wed, 19 Apr 2017 at 05:57 EDT (2,625 days ago) in Sagittarius

403.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Mon, 17 Apr 2017 (2,627 days ago) in Canes Venatici

404.

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. Sun, 16 Apr 2017 (2,628 days ago) in Hydra

405.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 16 Apr 2017 at 14:41 EDT (2,628 days ago) in Sagittarius

406.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°13'. Sun, 16 Apr 2017 at 14:18 EDT (2,628 days ago) in Sagittarius

407.

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

408.

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

409.

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

410.

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

411.

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

412.

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

413.

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

414.

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

415.

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

416.

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

417.

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

418.

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

419.

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

420.

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