241.

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 (1,221 days ago) in Monoceros

242.

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 (1,221 days ago) in Gemini

243.

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 (1,222 days ago) in Monoceros

244.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,223 days ago) in Perseus

245.

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 11:31 EDT (1,226 days ago) in Pisces

246.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 23 Dec 2020 at 18:23 EDT (1,227 days ago) in Pisces

247.

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 13:31 EDT (1,227 days ago) in Pisces

248.

Ursid meteor shower 2020 The Ursid meteor shower reaches its peak. Tue, 22 Dec 2020 (1,228 days ago) in Ursa Minor

249.

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. Mon, 21 Dec 2020 at 18:41 EDT (1,229 days ago) in Pisces

250.

Great conjunction of Jupiter and Saturn Jupiter and Saturn will make their closest approach since the year 1623. Mon, 21 Dec 2020 at 13:20 EDT (1,229 days ago) in Capricornus

251.

Conjunction of Jupiter and Saturn Jupiter and Saturn share the same right ascension, at a separation of 6'15". Mon, 21 Dec 2020 at 08:34 EDT (1,229 days ago) in Capricornus

252.

December solstice 21 December will be the shortest day of 2020 in the northern hemisphere. Mon, 21 Dec 2020 at 04:55 EDT (1,229 days ago) in Sagittarius

253.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sat, 19 Dec 2020 at 22:40 EDT (1,231 days ago) in Sagittarius

254.

December Leonis Minorid meteor shower 2020 The December Leonis Minorid meteor shower reaches its peak. Sat, 19 Dec 2020 (1,231 days ago) in Leo Minor

255.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,233 days ago) in Aquarius

256.

Close approach of the Moon, Jupiter and Saturn The Moon, Jupiter and Saturn pass close to one another. Thu, 17 Dec 2020 at 01:05 EDT (1,233 days ago) in Capricornus

257.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°03'. Thu, 17 Dec 2020 at 00:19 EDT (1,233 days ago) in Capricornus

258.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 17 Dec 2020 at 00:12 EDT (1,233 days ago) in Sagittarius

259.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°55'. Wed, 16 Dec 2020 at 23:30 EDT (1,233 days ago) in Sagittarius

260.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 15 Dec 2020 at 21:27 EDT (1,235 days ago) in Ophiuchus