401.

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. Fri, 05 Jul 2019 at 00:59 EDT (1,821 days ago) in Cancer

402.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Thu, 04 Jul 2019 at 18:10 EDT (1,822 days ago) in Pisces

403.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Thu, 04 Jul 2019 at 11:43 EDT (1,822 days ago) in Cancer

404.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°15'. Thu, 04 Jul 2019 at 04:35 EDT (1,822 days ago) in Cancer

405.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5'18". Thu, 04 Jul 2019 at 01:39 EDT (1,822 days ago) in Cancer

406.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Tue, 02 Jul 2019 (1,824 days ago) in Serpens Cauda

407.

Total solar eclipse There will be an eclipse of the Sun, visible from Argentina and northern Chile. Tue, 02 Jul 2019 at 15:23 EDT (1,824 days ago) in Gemini

408.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 02 Jul 2019 at 15:17 EDT (1,824 days ago) in Gemini

409.

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. Tue, 02 Jul 2019 at 08:23 EDT (1,824 days ago) in Gemini

410.

Asteroid 18 Melpomene at opposition Asteroid 18 Melpomene makes closest approach to the Earth. Mon, 01 Jul 2019 at 22:22 EDT (1,825 days ago) in Scutum

411.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Mon, 01 Jul 2019 (1,825 days ago) in Sagittarius

412.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sat, 29 Jun 2019 (1,827 days ago) in Ophiuchus

413.

June Bootid meteor shower 2019 The June Bootid meteor shower reaches its peak. Thu, 27 Jun 2019 (1,829 days ago) in Bootes

414.

Supernova SN2019iex discovered A new supernova has been discovered in NGC 7769. Tue, 25 Jun 2019 (1,830 days ago)

415.

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. Tue, 25 Jun 2019 at 05:47 EDT (1,831 days ago) in Pisces

416.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Mon, 24 Jun 2019 (1,832 days ago) in Corona Australis

417.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sun, 23 Jun 2019 at 20:56 EDT (1,833 days ago) in Gemini

418.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Sun, 23 Jun 2019 (1,833 days ago) in Sagittarius

419.

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, 23 Jun 2019 at 03:49 EDT (1,833 days ago) in Aquarius

420.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (1,835 days ago) in Taurus