161.

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 (933 days ago) in Sagittarius

162.

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 (931 days ago) in Capricornus

163.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 14 Oct 2021 at 04:37 EDT (931 days ago) in Capricornus

164.

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 (930 days ago) in Capricornus

165.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 15 Oct 2021 at 08:21 EDT (930 days ago) in Capricornus

166.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Fri, 15 Oct 2021 (930 days ago) in Triangulum

167.

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 (928 days ago) in Cetus

168.

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 (928 days ago) in Aquarius

169.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 18 Oct 2021 at 01:13 EDT (927 days ago) in Capricornus

170.

ε-Geminid meteor shower 2021 The ε-Geminid meteor shower reaches its peak. Mon, 18 Oct 2021 (927 days ago) in Gemini

171.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Tue, 19 Oct 2021 at 19:51 EDT (926 days ago) in Virgo

172.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 20 Oct 2021 at 10:56 EDT (925 days ago) in Pisces

173.

Orionid meteor shower 2021 The Orionid meteor shower reaches its peak. Thu, 21 Oct 2021 (924 days ago) in Orion

174.

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 (924 days ago) in Bootes

175.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Thu, 21 Oct 2021 at 18:39 EDT (924 days ago) in Aries

176.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sat, 23 Oct 2021 at 18:40 EDT (922 days ago) in Virgo

177.

Leonis Minorid meteor shower 2021 The Leonis Minorid meteor shower reaches its peak. Sun, 24 Oct 2021 (921 days ago) in Leo Minor

178.

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 (921 days ago) in Taurus

179.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 24 Oct 2021 (920 days ago) in Virgo

180.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 24 Oct 2021 at 23:45 EDT (921 days ago) in Virgo