581.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 21 Dec 2022 at 13:47 EDT (553 days ago) in Sagittarius

582.

December solstice 21 December will be the shortest day of 2022 in the northern hemisphere. Wed, 21 Dec 2022 at 16:43 EDT (553 days ago) in Sagittarius

583.

Ursid meteor shower 2022 The Ursid meteor shower reaches its peak. Thu, 22 Dec 2022 (552 days ago) in Ursa Minor

584.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 23 Dec 2022 at 05:17 EDT (551 days ago) in Sagittarius

585.

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, 23 Dec 2022 at 13:15 EDT (551 days ago) in Sagittarius

586.

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, 24 Dec 2022 at 03:26 EDT (550 days ago) in Sagittarius

587.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°28'. Sat, 24 Dec 2022 at 06:29 EDT (550 days ago) in Sagittarius

588.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sat, 24 Dec 2022 at 10:18 EDT (550 days ago) in Sagittarius

589.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°45'. Sat, 24 Dec 2022 at 13:31 EDT (550 days ago) in Sagittarius

590.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 24 Dec 2022 (550 days ago) in Sagittarius

591.

A parade of 7 planets in the evening sky All seven planets will be above the horizon at the same time. Sat, 24 Dec 2022 (550 days ago) in Sagittarius

592.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Sun, 25 Dec 2022 at 18:05 EDT (549 days ago) in Sagittarius

593.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°00'. Mon, 26 Dec 2022 at 11:11 EDT (548 days ago) in Capricornus

594.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 26 Dec 2022 at 13:25 EDT (548 days ago) in Capricornus

595.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Wed, 28 Dec 2022 (546 days ago) in Monoceros

596.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 1°24'. Thu, 29 Dec 2022 at 04:21 EDT (545 days ago) in Sagittarius

597.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°18'. Thu, 29 Dec 2022 at 05:33 EDT (545 days ago) in Pisces

598.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 29 Dec 2022 at 07:25 EDT (545 days ago) in Pisces

599.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Thu, 29 Dec 2022 (545 days ago) in Monoceros

600.

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. Thu, 29 Dec 2022 at 20:21 EDT (545 days ago) in Cetus