421.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Wed, 07 Dec 2022 at 23:13 EDT (616 days ago) in Taurus

422.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from the Americas, Europe, Northern Africa, Russia, Corsica, Guernsey, Svalbard, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, Shetland, Orkney, Northern Ireland and Alaska. Wed, 07 Dec 2022 at 23:13 EDT (616 days ago) in Taurus

423.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 32'. Wed, 07 Dec 2022 at 23:24 EDT (616 days ago) in Taurus

424.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Thu, 08 Dec 2022 at 00:35 EDT (616 days ago) in Taurus

425.

Monocerotid meteor shower 2022 The Monocerotid meteor shower reaches its peak. Fri, 09 Dec 2022 (615 days ago) in Monoceros

426.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Fri, 09 Dec 2022 at 09:01 EDT (615 days ago) in Virgo

427.

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, 11 Dec 2022 at 19:28 EDT (613 days ago) in Cancer

428.

σ-Hydrid meteor shower 2022 The σ-Hydrid meteor shower reaches its peak. Mon, 12 Dec 2022 (612 days ago) in Hydra

429.

The Large Magellanic Cloud is well placed The Milky Way's dwarf companion, the Large Magellanic Cloud (LMC; mag 0.9), in Dorado culminates at around midnight local time. Mon, 12 Dec 2022 (612 days ago) in Dorado

430.

Geminid meteor shower 2022 The Geminid meteor shower reaches its peak. Wed, 14 Dec 2022 (610 days ago) in Gemini

431.

Comet 81P/Wild passes perihelion Comet 81P/Wild makes its closest approach to the Sun. Thu, 15 Dec 2022 (609 days ago) in Virgo

432.

The Running Man cluster is well placed The Running Man cluster NGC 1977 (mag 4.2) in Orion's sword culminates at around midnight local time. Thu, 15 Dec 2022 (609 days ago) in Orion

433.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Thu, 15 Dec 2022 (609 days ago) in Orion

434.

Comae Berenicid meteor shower 2022 The Comae Berenicid meteor shower reaches its peak. Fri, 16 Dec 2022 (608 days ago) in Leo

435.

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. Fri, 16 Dec 2022 at 03:56 EDT (608 days ago) in Virgo

436.

Comet C/2017 K2 (PANSTARRS) passes perihelion Comet C/2017 K2 (PANSTARRS) makes its closest approach to the Sun. Mon, 19 Dec 2022 (605 days ago) in Pavo

437.

December Leonis Minorid meteor shower 2022 The December Leonis Minorid meteor shower reaches its peak. Tue, 20 Dec 2022 (604 days ago) in Leo Minor

438.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from the Americas. Wed, 21 Dec 2022 at 07:02 EDT (603 days ago) in Scorpius

439.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 21 Dec 2022 at 13:47 EDT (603 days ago) in Sagittarius

440.

December solstice 21 December will be the shortest day of 2022 in the northern hemisphere. Wed, 21 Dec 2022 at 16:43 EDT (603 days ago) in Sagittarius