421.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Fri, 24 May 2024 at 19:46 EDT (688 days ago) in Ophiuchus

422.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from parts of the Americas, Western Africa, Middle Africa, Bonaire, Saint Eustatius and Saba, Grenada and Navassa Island. Thu, 23 May 2024 at 23:17 EDT (689 days ago) in Scorpius

423.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 23 May 2024 at 09:53 EDT (689 days ago) in Scorpius

424.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 20 May 2024 at 21:40 EDT (692 days ago) in Taurus

425.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Sun, 19 May 2024 (693 days ago) in Taurus

426.

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. Sat, 18 May 2024 at 14:34 EDT (694 days ago) in Taurus

427.

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. Fri, 17 May 2024 at 14:58 EDT (695 days ago) in Leo

428.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Fri, 17 May 2024 at 03:10 EDT (695 days ago) in Hercules

429.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Wed, 15 May 2024 at 07:48 EDT (697 days ago) in Leo

430.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 14 May 2024 at 19:04 EDT (698 days ago) in Pisces

431.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 14 May 2024 (698 days ago) in Pisces

432.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 8°07'. Mon, 13 May 2024 at 22:22 EDT (699 days ago) in Cetus

433.

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. Mon, 13 May 2024 at 05:04 EDT (699 days ago) in Aries

434.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sat, 11 May 2024 (701 days ago) in Serpens Caput

435.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from parts of Sub-Saharan Africa. Fri, 10 May 2024 at 10:43 EDT (702 days ago) in Taurus

436.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Thu, 09 May 2024 at 15:43 EDT (703 days ago) in Pisces

437.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Wed, 08 May 2024 at 07:08 EDT (704 days ago) in Pisces

438.

η-Lyrid meteor shower 2024 The η-Lyrid meteor shower reaches its peak. Wed, 08 May 2024 (704 days ago) in Lyra

439.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 07 May 2024 at 23:23 EDT (705 days ago) in Aries

440.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Mon, 06 May 2024 at 04:34 EDT (706 days ago) in Pisces