401.

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. Wed, 31 Oct 2018 at 12:40 EDT (2,028 days ago) in Cancer

402.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Wed, 31 Oct 2018 at 11:44 EDT (2,028 days ago) in Cancer

403.

Supernova SN2018htt discovered A new supernova has been discovered in NGC 1209. Tue, 30 Oct 2018 (2,028 days ago)

404.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 3°16'. Mon, 29 Oct 2018 at 23:45 EDT (2,030 days ago) in Libra

405.

The Perseus Double Cluster is well placed The Perseus Double Cluster (NGC 869 and NGC 884; combined mag 4.3) culminates at around midnight local time. Fri, 26 Oct 2018 (2,033 days ago) in Perseus

406.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Fri, 26 Oct 2018 at 10:11 EDT (2,033 days ago) in Virgo

407.

Leonis Minorid meteor shower 2018 The Leonis Minorid meteor shower reaches its peak. Wed, 24 Oct 2018 (2,035 days ago) in Leo Minor

408.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 24 Oct 2018 at 12:45 EDT (2,035 days ago) in Pisces

409.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 23 Oct 2018 at 20:38 EDT (2,036 days ago) in Aries

410.

Supernova SN2018hna discovered A new supernova has been discovered in UGC 7534. Sun, 21 Oct 2018 (2,037 days ago)

411.

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. Sun, 21 Oct 2018 at 13:41 EDT (2,038 days ago) in Aquarius

412.

Orionid meteor shower 2018 The Orionid meteor shower reaches its peak. Sun, 21 Oct 2018 (2,038 days ago) in Orion

413.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 18 Oct 2018 at 19:32 EDT (2,041 days ago) in Bootes

414.

ε-Geminid meteor shower 2018 The ε-Geminid meteor shower reaches its peak. Thu, 18 Oct 2018 (2,041 days ago) in Gemini

415.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°56'. Thu, 18 Oct 2018 at 09:01 EDT (2,041 days ago) in Capricornus

416.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 18 Oct 2018 at 08:12 EDT (2,041 days ago) in Capricornus

417.

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, 17 Oct 2018 at 15:15 EDT (2,042 days ago) in Capricornus

418.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 17 Oct 2018 at 01:18 EDT (2,042 days ago) in Cetus

419.

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, 16 Oct 2018 at 14:02 EDT (2,043 days ago) in Sagittarius

420.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 16 Oct 2018 at 05:12 EDT (2,043 days ago) in Libra