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. Tue, 26 Oct 2021 (976 days ago) in Perseus

522.

Venus at dichotomy Venus reaches half phase in the evening sky. Thu, 28 Oct 2021 at 10:28 EDT (974 days ago) in Ophiuchus

523.

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. Thu, 28 Oct 2021 at 16:05 EDT (974 days ago) in Cancer

524.

Venus at greatest elongation east Venus is bright and well placed in the evening sky. Fri, 29 Oct 2021 at 10:57 EDT (973 days ago) in Ophiuchus

525.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Tue, 02 Nov 2021 (969 days ago) in Gemini

526.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°13'. Wed, 03 Nov 2021 at 14:39 EDT (968 days ago) in Virgo

527.

Lunar occultation of Mercury The Moon will pass in front of Mercury, creating a lunar occultation visible from Canada and the Contiguous United States. Wed, 03 Nov 2021 at 15:36 EDT (968 days ago) in Virgo

528.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 04 Nov 2021 at 17:15 EDT (967 days ago) in Libra

529.

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. Thu, 04 Nov 2021 at 19:49 EDT (967 days ago) in Aries

530.

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 Nov 2021 at 18:17 EDT (966 days ago) in Libra

531.

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. Sat, 06 Nov 2021 at 13:22 EDT (965 days ago) in Ophiuchus

532.

Comet 67P/Churyumov-Gerasimenko reaches peak brightness Comet 67P/Churyumov-Gerasimenko is forecast to reach the brightest point in its 2021 apparition. Sun, 07 Nov 2021 (964 days ago) in Gemini

533.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°06'. Mon, 08 Nov 2021 at 00:20 EDT (963 days ago) in Sagittarius

534.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 08 Nov 2021 at 00:28 EDT (963 days ago) in Sagittarius

535.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including China, Russia, Japan and North Korea amongst others. Mon, 08 Nov 2021 at 00:28 EDT (963 days ago) in Sagittarius

536.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Brazil, Bolivia, Paraguay and Argentina amongst others. Mon, 08 Nov 2021 at 16:54 EDT (963 days ago) in Sagittarius

537.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°06'. Wed, 10 Nov 2021 at 09:24 EDT (961 days ago) in Capricornus

538.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Wed, 10 Nov 2021 at 10:58 EDT (961 days ago) in Capricornus

539.

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, 11 Nov 2021 at 07:46 EDT (960 days ago) in Capricornus

540.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°21'. Thu, 11 Nov 2021 at 12:16 EDT (960 days ago) in Capricornus