321.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Tue, 11 Apr 2023 at 14:51 EDT (403 days ago) in Aries

322.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 11 Apr 2023 at 17:55 EDT (403 days ago) in Pisces

323.

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. Thu, 13 Apr 2023 at 05:11 EDT (401 days ago) in Sagittarius

324.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Thu, 13 Apr 2023 at 10:32 EDT (401 days ago) in Pisces

325.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Thu, 13 Apr 2023 (401 days ago) in Centaurus

326.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Fri, 14 Apr 2023 (400 days ago) in Centaurus

327.

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 2023 (400 days ago) in Canes Venatici

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. Fri, 14 Apr 2023 at 22:50 EDT (400 days ago) in Cetus

329.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sat, 15 Apr 2023 at 22:23 EDT (399 days ago) in Aquarius

330.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°29'. Sat, 15 Apr 2023 at 23:49 EDT (399 days ago) in Aquarius

331.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 16 Apr 2023 at 02:12 EDT (398 days ago) in Aquarius

332.

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 2023 (398 days ago) in Hydra

333.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Mon, 17 Apr 2023 at 07:15 EDT (397 days ago) in Taurus

334.

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. Mon, 17 Apr 2023 at 20:44 EDT (397 days ago) in Pisces

335.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Tue, 18 Apr 2023 (396 days ago) in Canes Venatici

336.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 20 Apr 2023 at 00:13 EDT (394 days ago) in Aries

337.

Hybrid solar eclipse There will be an eclipse of the Sun, visible from western Australia, eastern Indonesia and East Timor. Thu, 20 Apr 2023 at 00:17 EDT (394 days ago) in Aries

338.

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, 20 Apr 2023 at 12:28 EDT (394 days ago) in Bootes

339.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°53'. Fri, 21 Apr 2023 at 03:05 EDT (393 days ago) in Aries

340.

Lyrid meteor shower 2023 The Lyrid meteor shower reaches its peak. Sat, 22 Apr 2023 (391 days ago) in Hercules