401.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°04'. Mon, 27 Feb 2023 at 23:31 EDT (484 days ago) in Taurus

402.

Close approach of Venus and Jupiter Venus and Jupiter pass within 29' of each other. Thu, 02 Mar 2023 at 00:05 EDT (482 days ago) in Pisces

403.

Conjunction of Mercury and Saturn Mercury and Saturn share the same right ascension, at a separation of 55'. Thu, 02 Mar 2023 at 04:35 EDT (482 days ago) in Aquarius

404.

Conjunction of Venus and Jupiter Venus and Jupiter share the same right ascension, at a separation of 32'. Thu, 02 Mar 2023 at 05:41 EDT (482 days ago) in Pisces

405.

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. Fri, 03 Mar 2023 at 13:00 EDT (481 days ago) in Cancer

406.

The Theta Carinae cluster is well placed The Theta Carinae open star cluster (IC 2602, also known as the Southern Pleiades; mag 1.9) culminates at around midnight local time. Fri, 03 Mar 2023 (481 days ago) in Carina

407.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 07 Mar 2023 at 07:40 EDT (477 days ago) in Leo

408.

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. Thu, 09 Mar 2023 at 18:07 EDT (475 days ago) in Virgo

409.

The Wishing Well cluster is well placed The Wishing Well open star cluster (NGC 3532; mag 3.0) in Carina culminates at around midnight local time. Thu, 09 Mar 2023 (475 days ago) in Carina

410.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from countries and territories including New Zealand, Fiji, French Polynesia and New Caledonia amongst others. Mon, 13 Mar 2023 at 08:28 EDT (471 days ago) in Scorpius

411.

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. Tue, 14 Mar 2023 at 22:08 EDT (470 days ago) in Ophiuchus

412.

γ-Normid meteor shower 2023 The γ-Normid meteor shower reaches its peak. Wed, 15 Mar 2023 (469 days ago) in Norma

413.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 15 Mar 2023 at 19:30 EDT (469 days ago) in Pisces

414.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 17 Mar 2023 at 06:53 EDT (467 days ago) in Pisces

415.

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. Sun, 19 Mar 2023 at 11:12 EDT (465 days ago) in Aquarius

416.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°35'. Sun, 19 Mar 2023 at 11:22 EDT (465 days ago) in Aquarius

417.

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. Sun, 19 Mar 2023 at 11:42 EDT (465 days ago) in Aquarius

418.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 20 Mar 2023 at 17:20 EDT (464 days ago) in Pisces

419.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Tue, 21 Mar 2023 at 13:17 EDT (463 days ago) in Coma Berenices

420.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 21 Mar 2023 at 13:24 EDT (463 days ago) in Pisces