421.

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 (2,206 days ago) in Taurus

422.

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 (2,206 days ago) in Pisces

423.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Tue, 17 Apr 2018 at 21:48 EDT (2,207 days ago) in Sagittarius

424.

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 (2,207 days ago) in Canes Venatici

425.

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 (2,207 days ago) in Aries

426.

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 (2,208 days ago) in Hydra

427.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 15 Apr 2018 at 21:58 EDT (2,209 days ago) in Pisces

428.

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 20:42 EDT (2,210 days ago) in Bootes

429.

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 (2,210 days ago) in Canes Venatici

430.

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 (2,210 days ago) in Pisces

431.

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 (2,211 days ago) in Centaurus

432.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Fri, 13 Apr 2018 (2,211 days ago) in Centaurus

433.

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 11:30 EDT (2,211 days ago) in Cetus

434.

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 (2,211 days ago) in Aquarius

435.

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 (2,216 days ago) in Sagittarius

436.

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 (2,216 days ago) in Sagittarius

437.

Saturn at aphelion Saturn passes the furthest point along its orbit from the Sun. Sat, 07 Apr 2018 at 14:56 EDT (2,217 days ago) in Sagittarius

438.

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 (2,217 days ago) in Sagittarius

439.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 07 Apr 2018 at 14:12 EDT (2,217 days ago) in Sagittarius

440.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 07 Apr 2018 at 08:36 EDT (2,217 days ago) in Sagittarius