161.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°34'. Wed, 23 Dec 2020 at 10:31 PDT (1,663 days ago) in Pisces

162.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 23 Dec 2020 at 15:23 PDT (1,663 days ago) in Pisces

163.

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. Thu, 24 Dec 2020 at 08:31 PDT (1,662 days ago) in Pisces

164.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sat, 26 Dec 2020 (1,660 days ago) in Perseus

165.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Mon, 28 Dec 2020 (1,658 days ago) in Monoceros

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. Tue, 29 Dec 2020 at 08:34 PDT (1,657 days ago) in Gemini

167.

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 (1,657 days ago) in Monoceros

168.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 Dec 2020 at 19:28 PDT (1,657 days ago) in Gemini

169.

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 (1,654 days ago) in Canis Major

170.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 05:50 PDT (1,653 days ago) in Pisces

171.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,652 days ago) in Bootes

172.

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 01:37 PDT (1,649 days ago) in Virgo

173.

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 07:36 PDT (1,646 days ago) in Scorpius

174.

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 09:08 PDT (1,646 days ago) in Scorpius

175.

Conjunction of Mercury and Saturn Mercury and Saturn share the same right ascension, at a separation of 1°40'. Sat, 09 Jan 2021 at 13:18 PDT (1,646 days ago) in Capricornus

176.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 1°28'. Mon, 11 Jan 2021 at 03:09 PDT (1,644 days ago) in Capricornus

177.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°35'. Mon, 11 Jan 2021 at 10:33 PDT (1,644 days ago) in Aquarius

178.

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 12:10 PDT (1,644 days ago) in Sagittarius

179.

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 15:50 PDT (1,643 days ago) in Sagittarius

180.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 12 Jan 2021 at 21:01 PDT (1,643 days ago) in Sagittarius