1621.

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 (1,270 days ago) in Scorpius

1622.

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 (1,273 days ago) in Virgo

1623.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,276 days ago) in Bootes

1624.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,277 days ago) in Pisces

1625.

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 (1,278 days ago) in Canis Major

1626.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 29 Dec 2020 at 22:28 EDT (1,281 days ago) in Gemini

1627.

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 (1,281 days ago) in Monoceros

1628.

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 (1,281 days ago) in Gemini

1629.

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 (1,282 days ago) in Monoceros

1630.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,283 days ago) in Perseus

1631.

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 (1,286 days ago) in Pisces

1632.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 23 Dec 2020 at 18:23 EDT (1,287 days ago) in Pisces

1633.

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 (1,287 days ago) in Pisces

1634.

Ursid meteor shower 2020 The Ursid meteor shower reaches its peak. Tue, 22 Dec 2020 (1,288 days ago) in Ursa Minor

1635.

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 (1,289 days ago) in Pisces

1636.

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 (1,289 days ago) in Capricornus

1637.

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 (1,289 days ago) in Capricornus

1638.

December solstice 21 December will be the shortest day of 2020 in the northern hemisphere. Mon, 21 Dec 2020 at 04:55 EDT (1,289 days ago) in Sagittarius

1639.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sat, 19 Dec 2020 at 22:40 EDT (1,291 days ago) in Sagittarius

1640.

December Leonis Minorid meteor shower 2020 The December Leonis Minorid meteor shower reaches its peak. Sat, 19 Dec 2020 (1,291 days ago) in Leo Minor