241.

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, 21 Oct 2021 at 18:08 EDT (926 days ago) in Bootes

242.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Thu, 21 Oct 2021 at 18:39 EDT (926 days ago) in Aries

243.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sat, 23 Oct 2021 at 18:40 EDT (924 days ago) in Virgo

244.

Leonis Minorid meteor shower 2021 The Leonis Minorid meteor shower reaches its peak. Sun, 24 Oct 2021 (923 days ago) in Leo Minor

245.

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, 24 Oct 2021 at 11:28 EDT (923 days ago) in Taurus

246.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 24 Oct 2021 (922 days ago) in Virgo

247.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 24 Oct 2021 at 23:45 EDT (923 days ago) in Virgo

248.

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 (921 days ago) in Perseus

249.

Venus at dichotomy Venus reaches half phase in the evening sky. Thu, 28 Oct 2021 at 10:28 EDT (919 days ago) in Ophiuchus

250.

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 (919 days ago) in Cancer

251.

Venus at greatest elongation east Venus is bright and well placed in the evening sky. Fri, 29 Oct 2021 at 10:57 EDT (918 days ago) in Ophiuchus

252.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Tue, 02 Nov 2021 (914 days ago) in Gemini

253.

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 (913 days ago) in Virgo

254.

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 (913 days ago) in Virgo

255.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 04 Nov 2021 at 17:15 EDT (912 days ago) in Libra

256.

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 (912 days ago) in Aries

257.

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 (911 days ago) in Libra

258.

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 (910 days ago) in Ophiuchus

259.

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 (909 days ago) in Gemini

260.

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 (908 days ago) in Sagittarius