521.

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 (2,091 days ago) in Perseus

522.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Fri, 26 Oct 2018 at 10:11 EDT (2,091 days ago) in Virgo

523.

Leonis Minorid meteor shower 2018 The Leonis Minorid meteor shower reaches its peak. Wed, 24 Oct 2018 (2,093 days ago) in Leo Minor

524.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 24 Oct 2018 at 12:45 EDT (2,093 days ago) in Pisces

525.

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 (2,094 days ago) in Aries

526.

Supernova SN2018hna discovered A new supernova has been discovered in UGC 7534. Sun, 21 Oct 2018 (2,095 days ago)

527.

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 (2,096 days ago) in Aquarius

528.

Orionid meteor shower 2018 The Orionid meteor shower reaches its peak. Sun, 21 Oct 2018 (2,096 days ago) in Orion

529.

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 19:30 EDT (2,099 days ago) in Bootes

530.

ε-Geminid meteor shower 2018 The ε-Geminid meteor shower reaches its peak. Thu, 18 Oct 2018 (2,099 days ago) in Gemini

531.

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 (2,099 days ago) in Capricornus

532.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 18 Oct 2018 at 08:12 EDT (2,099 days ago) in Capricornus

533.

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 (2,100 days ago) in Capricornus

534.

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 01:19 EDT (2,100 days ago) in Cetus

535.

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 (2,101 days ago) in Sagittarius

536.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 16 Oct 2018 at 05:12 EDT (2,101 days ago) in Libra

537.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Mon, 15 Oct 2018 (2,102 days ago) in Triangulum

538.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 14 Oct 2018 at 22:57 EDT (2,103 days ago) in Sagittarius

539.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°47'. Sun, 14 Oct 2018 at 22:45 EDT (2,103 days ago) in Sagittarius

540.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 6°48'. Sun, 14 Oct 2018 at 11:14 EDT (2,103 days ago) in Virgo