161.

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. Tue, 29 Dec 2020 at 11:34 EDT (1,220 days ago) in Gemini

162.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Tue, 29 Dec 2020 (1,220 days ago) in Monoceros

163.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 Dec 2020 at 22:28 EDT (1,220 days ago) in Gemini

164.

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. Fri, 01 Jan 2021 (1,217 days ago) in Canis Major

165.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,216 days ago) in Pisces

166.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,215 days ago) in Bootes

167.

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. Wed, 06 Jan 2021 at 04:37 EDT (1,212 days ago) in Virgo

168.

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. Sat, 09 Jan 2021 at 10:36 EDT (1,209 days ago) in Scorpius

169.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Hawaii and Midway Atoll. Sat, 09 Jan 2021 at 12:08 EDT (1,209 days ago) in Scorpius

170.

Conjunction of Mercury and Saturn Mercury and Saturn share the same right ascension, at a separation of 1°40'. Sat, 09 Jan 2021 at 16:18 EDT (1,209 days ago) in Capricornus

171.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°37'. Sun, 10 Jan 2021 at 13:52 EDT (1,208 days ago) in Aquarius

172.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 1°28'. Mon, 11 Jan 2021 at 06:09 EDT (1,207 days ago) in Capricornus

173.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°29'. Mon, 11 Jan 2021 at 15:10 EDT (1,207 days ago) in Sagittarius

174.

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. Tue, 12 Jan 2021 at 18:50 EDT (1,206 days ago) in Sagittarius

175.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 13 Jan 2021 at 00:01 EDT (1,205 days ago) in Sagittarius

176.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°19'. Thu, 14 Jan 2021 at 03:14 EDT (1,204 days ago) in Capricornus

177.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 14 Jan 2021 at 04:12 EDT (1,204 days ago) in Aries

178.

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. Thu, 14 Jan 2021 at 16:33 EDT (1,204 days ago) in Sagittarius

179.

The cluster Messier 47 is well placed The open star cluster M47 (NGC 2422; mag 4.4) in Puppis culminates at around midnight local time. Thu, 14 Jan 2021 (1,204 days ago) in Puppis

180.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Thu, 14 Jan 2021 (1,204 days ago) in Camelopardalis