161.

Quadrantid meteor shower 2023 The Quadrantid meteor shower reaches its peak. Tue, 03 Jan 2023 (920 days ago) in Bootes

162.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 04 Jan 2023 at 08:17 PDT (920 days ago) in Pisces

163.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 06 Jan 2023 at 15:07 PDT (918 days ago) in Gemini

164.

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, 06 Jan 2023 at 19:55 PDT (918 days ago) in Gemini

165.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sat, 07 Jan 2023 at 04:53 PDT (917 days ago) in Sagittarius

166.

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, 08 Jan 2023 at 01:19 PDT (916 days ago) in Cancer

167.

Comet C/2022 E3 (ZTF) passes perihelion Comet C/2022 E3 (ZTF) makes its closest approach to the Sun. Thu, 12 Jan 2023 (912 days ago)

168.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Thu, 12 Jan 2023 at 12:54 PDT (912 days ago) in Taurus

169.

Comet C/2022 U2 (ATLAS) passes perihelion Comet C/2022 U2 (ATLAS) makes its closest approach to the Sun. Sat, 14 Jan 2023 (910 days ago) in Cassiopeia

170.

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. Sat, 14 Jan 2023 at 18:10 PDT (910 days ago) in Virgo

171.

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. Sun, 15 Jan 2023 (909 days ago) in Puppis

172.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Sun, 15 Jan 2023 (909 days ago) in Camelopardalis

173.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sun, 15 Jan 2023 at 18:22 PDT (909 days ago) in Canis Major

174.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from Asia, Christmas Island, Spratly Islands and Paracel Islands. Tue, 17 Jan 2023 at 14:29 PDT (907 days ago) in Scorpius

175.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Tue, 17 Jan 2023 (907 days ago) in Puppis

176.

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. Wed, 18 Jan 2023 at 06:42 PDT (906 days ago) in Sagittarius

177.

γ-Ursae Minorid meteor shower 2023 The γ-Ursae Minorid meteor shower reaches its peak. Thu, 19 Jan 2023 (905 days ago) in Ursa Minor

178.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°56'. Thu, 19 Jan 2023 at 23:51 PDT (904 days ago) in Sagittarius

179.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Fri, 20 Jan 2023 (904 days ago) in Carina

180.

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. Fri, 20 Jan 2023 at 21:14 PDT (904 days ago) in Sagittarius