501.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Tue, 06 Nov 2018 at 10:09 EDT (2,079 days ago) in Scorpius

502.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 9°32'. Mon, 05 Nov 2018 at 21:24 EDT (2,080 days ago) in Virgo

503.

Supernova SN2018hzg discovered A new supernova has been discovered in NGC 3825. Mon, 05 Nov 2018 (2,079 days ago)

504.

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. Wed, 31 Oct 2018 at 16:22 EDT (2,085 days ago) in Cancer

505.

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 (2,085 days ago) in Cancer

506.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Wed, 31 Oct 2018 at 11:44 EDT (2,085 days ago) in Cancer

507.

Supernova SN2018htt discovered A new supernova has been discovered in NGC 1209. Tue, 30 Oct 2018 (2,085 days ago)

508.

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 (2,087 days ago) in Libra

509.

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 (2,090 days ago) in Perseus

510.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Fri, 26 Oct 2018 at 10:11 EDT (2,090 days ago) in Virgo

511.

Leonis Minorid meteor shower 2018 The Leonis Minorid meteor shower reaches its peak. Wed, 24 Oct 2018 (2,092 days ago) in Leo Minor

512.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 24 Oct 2018 at 12:45 EDT (2,092 days ago) in Pisces

513.

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 (2,093 days ago) in Aries

514.

Supernova SN2018hna discovered A new supernova has been discovered in UGC 7534. Sun, 21 Oct 2018 (2,094 days ago)

515.

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 (2,095 days ago) in Aquarius

516.

Orionid meteor shower 2018 The Orionid meteor shower reaches its peak. Sun, 21 Oct 2018 (2,095 days ago) in Orion

517.

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 (2,098 days ago) in Bootes

518.

ε-Geminid meteor shower 2018 The ε-Geminid meteor shower reaches its peak. Thu, 18 Oct 2018 (2,098 days ago) in Gemini

519.

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 (2,098 days ago) in Capricornus

520.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 18 Oct 2018 at 08:12 EDT (2,098 days ago) in Capricornus