481.

Conjunction of Ceres and Eris Ceres and Eris share the same right ascension, at a separation of 4°54'. Wed, 28 Apr 2021 at 19:06 EDT (1,158 days ago) in Cetus

482.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Sub-Saharan Africa and Heard Island and McDonald Islands. Wed, 28 Apr 2021 at 17:11 EDT (1,158 days ago) in Scorpius

483.

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. Tue, 27 Apr 2021 at 11:22 EDT (1,159 days ago) in Libra

484.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 26 Apr 2021 at 23:31 EDT (1,160 days ago) in Libra

485.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Mon, 26 Apr 2021 at 21:48 EDT (1,160 days ago) in Aries

486.

π-Puppid meteor shower 2021 The π-Puppid meteor shower reaches its peak. Fri, 23 Apr 2021 (1,163 days ago) in Puppis

487.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Thu, 22 Apr 2021 (1,164 days ago) in Ursa Major

488.

Lyrid meteor shower 2021 The Lyrid meteor shower reaches its peak. Thu, 22 Apr 2021 (1,164 days ago) in Hercules

489.

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. Tue, 20 Apr 2021 at 02:59 EDT (1,166 days ago) in Cancer

490.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sun, 18 Apr 2021 at 21:56 EDT (1,168 days ago) in Aries

491.

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, 17 Apr 2021 at 20:13 EDT (1,169 days ago) in Bootes

492.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Sat, 17 Apr 2021 (1,169 days ago) in Canes Venatici

493.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Asia, Christmas Island, Spratly Islands and Paracel Islands. Sat, 17 Apr 2021 at 08:10 EDT (1,169 days ago) in Taurus

494.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 17 Apr 2021 at 08:10 EDT (1,169 days ago) in Taurus

495.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 7'57". Sat, 17 Apr 2021 at 08:08 EDT (1,169 days ago) in Taurus

496.

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. Fri, 16 Apr 2021 (1,170 days ago) in Hydra

497.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Wed, 14 Apr 2021 (1,172 days ago) in Canes Venatici

498.

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. Wed, 14 Apr 2021 at 13:45 EDT (1,172 days ago) in Taurus

499.

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. Tue, 13 Apr 2021 at 22:54 EDT (1,173 days ago) in Cetus

500.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Tue, 13 Apr 2021 (1,173 days ago) in Centaurus