401.

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. Mon, 20 Apr 2020 at 15:00 EDT (1,504 days ago) in Cetus

402.

Supernova SN2020hvf discovered A new supernova has been discovered in NGC 3643. Mon, 20 Apr 2020 (1,503 days ago)

403.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°06'. Tue, 21 Apr 2020 at 13:16 EDT (1,503 days ago) in Pisces

404.

Lyrid meteor shower 2020 The Lyrid meteor shower reaches its peak. Wed, 22 Apr 2020 (1,502 days ago) in Hercules

405.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Wed, 22 Apr 2020 (1,502 days ago) in Ursa Major

406.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 22 Apr 2020 at 22:27 EDT (1,502 days ago) in Cetus

407.

π-Puppid meteor shower 2020 The π-Puppid meteor shower reaches its peak. Thu, 23 Apr 2020 (1,501 days ago) in Puppis

408.

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. Sun, 26 Apr 2020 at 04:51 EDT (1,498 days ago) in Aries

409.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 6°03'. Sun, 26 Apr 2020 at 11:23 EDT (1,498 days ago) in Taurus

410.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 28 Apr 2020 at 10:24 EDT (1,496 days ago) in Taurus

411.

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. Thu, 30 Apr 2020 at 16:38 EDT (1,494 days ago) in Cancer

412.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Mon, 04 May 2020 at 17:48 EDT (1,490 days ago) in Aries

413.

Comet C/2017 T2 (PANSTARRS) passes perihelion Comet C/2017 T2 (PANSTARRS) makes its closest approach to the Sun. Tue, 05 May 2020 (1,489 days ago) in Camelopardalis

414.

η-Aquariid meteor shower 2020 The η-Aquariid meteor shower reaches its peak. Tue, 05 May 2020 (1,489 days ago) in Aquarius

415.

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, 05 May 2020 at 23:02 EDT (1,489 days ago) in Virgo

416.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 07 May 2020 at 06:45 EDT (1,487 days ago) in Libra

417.

η-Lyrid meteor shower 2020 The η-Lyrid meteor shower reaches its peak. Fri, 08 May 2020 (1,486 days ago) in Lyra

418.

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. Sat, 09 May 2020 at 07:48 EDT (1,485 days ago) in Ophiuchus

419.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 10 May 2020 at 00:48 EDT (1,484 days ago) in Taurus

420.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 10 May 2020 at 23:38 EDT (1,484 days ago) in Capricornus