421.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 09 Oct 2021 at 16:04 EDT (993 days ago) in Scorpius

422.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab) creating a lunar occultation, though it will open be visible only at sea. Sat, 09 Oct 2021 at 16:58 EDT (993 days ago) in Scorpius

423.

Southern Taurid meteor shower 2021 The Southern Taurid meteor shower reaches its peak. Sun, 10 Oct 2021 (992 days ago) in Cetus

424.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Oct 2021 at 22:41 EDT (992 days ago) in Capricornus

425.

δ-Aurigid meteor shower 2021 The δ-Aurigid meteor shower reaches its peak. Mon, 11 Oct 2021 (991 days ago) in Auriga

426.

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 Madagascar, Indonesia, India and Sri Lanka amongst others. Tue, 12 Oct 2021 at 10:49 EDT (990 days ago) in Sagittarius

427.

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, 12 Oct 2021 at 23:25 EDT (990 days ago) in Sagittarius

428.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°56'. Thu, 14 Oct 2021 at 03:08 EDT (988 days ago) in Capricornus

429.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 14 Oct 2021 at 04:37 EDT (988 days ago) in Capricornus

430.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°08'. Fri, 15 Oct 2021 at 06:02 EDT (987 days ago) in Capricornus

431.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 15 Oct 2021 at 08:21 EDT (987 days ago) in Capricornus

432.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Fri, 15 Oct 2021 (987 days ago) in Triangulum

433.

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. Sun, 17 Oct 2021 at 12:40 EDT (985 days ago) in Cetus

434.

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, 17 Oct 2021 at 21:12 EDT (985 days ago) in Aquarius

435.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 18 Oct 2021 at 01:13 EDT (984 days ago) in Capricornus

436.

ε-Geminid meteor shower 2021 The ε-Geminid meteor shower reaches its peak. Mon, 18 Oct 2021 (984 days ago) in Gemini

437.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 19 Oct 2021 at 19:51 EDT (983 days ago) in Virgo

438.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 20 Oct 2021 at 10:56 EDT (982 days ago) in Pisces

439.

Orionid meteor shower 2021 The Orionid meteor shower reaches its peak. Thu, 21 Oct 2021 (981 days ago) in Orion

440.

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 (981 days ago) in Bootes