161.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Mon, 25 Jan 2021 at 04:34 EDT (1,248 days ago) in Cancer

162.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 25 Jan 2021 at 02:45 EDT (1,248 days ago) in Capricornus

163.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 24 Jan 2021 (1,248 days ago) in Capricornus

164.

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. Sat, 23 Jan 2021 at 21:51 EDT (1,250 days ago) in Capricornus

165.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 23 Jan 2021 at 21:10 EDT (1,250 days ago) in Capricornus

166.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Sat, 23 Jan 2021 (1,250 days ago) in Vela

167.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,251 days ago) in Vela

168.

Conjunction of Mars and Uranus Mars and Uranus share the same right ascension, at a separation of 1°43'. Thu, 21 Jan 2021 at 18:41 EDT (1,252 days ago) in Aries

169.

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, 21 Jan 2021 at 08:10 EDT (1,252 days ago) in Aries

170.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Thu, 21 Jan 2021 at 06:58 EDT (1,252 days ago) in Cancer

171.

Close approach of the Moon, Mars and Uranus The Moon, Mars and Uranus pass close to one another. Thu, 21 Jan 2021 at 04:49 EDT (1,252 days ago) in Aries

172.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°03'. Thu, 21 Jan 2021 at 00:35 EDT (1,252 days ago) in Aries

173.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Wed, 20 Jan 2021 (1,253 days ago) in Carina

174.

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. Wed, 20 Jan 2021 at 16:02 EDT (1,253 days ago) in Pisces

175.

γ-Ursae Minorid meteor shower 2021 The γ-Ursae Minorid meteor shower reaches its peak. Mon, 18 Jan 2021 (1,254 days ago) in Ursa Minor

176.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Sat, 16 Jan 2021 (1,257 days ago) in Puppis

177.

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 (1,259 days ago) in Camelopardalis

178.

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 (1,259 days ago) in Puppis

179.

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 (1,259 days ago) in Sagittarius

180.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 14 Jan 2021 at 04:12 EDT (1,259 days ago) in Aries