161.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 15:15 EDT (1,558 days ago) in Sagittarius

162.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 Jan 2020 at 10:06 EDT (1,558 days ago) in Sagittarius

163.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 11 Jan 2020 at 19:50 EDT (1,560 days ago) in Cancer

164.

Supernova SN2020ue discovered A new supernova has been discovered in NGC 4636. Sat, 11 Jan 2020 (1,559 days ago)

165.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (1,561 days ago) in Aries

166.

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. Fri, 10 Jan 2020 at 16:08 EDT (1,561 days ago) in Gemini

167.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 10 Jan 2020 at 14:21 EDT (1,561 days ago) in Gemini

168.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Asia, Russia, Africa, Europe, Oceania, Greenland, north-eastern Canada and Alaska. Fri, 10 Jan 2020 at 14:10 EDT (1,561 days ago) in Gemini

169.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 10 Jan 2020 at 10:32 EDT (1,561 days ago) in Sagittarius

170.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (1,566 days ago) in Pisces

171.

Quadrantid meteor shower 2020 The Quadrantid meteor shower reaches its peak. Sat, 04 Jan 2020 (1,567 days ago) in Bootes

172.

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, 02 Jan 2020 at 23:46 EDT (1,568 days ago) in Cetus

173.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.5) in Canis Major culminates at around midnight local time. Thu, 02 Jan 2020 (1,569 days ago) in Canis Major

174.

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. Wed, 01 Jan 2020 at 20:30 EDT (1,570 days ago) in Pisces

175.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Mon, 30 Dec 2019 (1,572 days ago) in Monoceros

176.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 30 Dec 2019 at 00:25 EDT (1,572 days ago) in Sagittarius

177.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Sun, 29 Dec 2019 (1,573 days ago) in Monoceros

178.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Antarctica. Sat, 28 Dec 2019 at 20:56 EDT (1,574 days ago) in Capricornus

179.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 28 Dec 2019 at 20:56 EDT (1,574 days ago) in Capricornus

180.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 59'. Sat, 28 Dec 2019 at 20:32 EDT (1,574 days ago) in Capricornus