621.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 14 Mar 2018 at 05:06 EDT (2,317 days ago) in Pisces

622.

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 Mar 2018 at 05:13 EDT (2,320 days ago) in Sagittarius

623.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 10 Mar 2018 at 21:24 EDT (2,321 days ago) in Sagittarius

624.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°13'. Sat, 10 Mar 2018 at 21:20 EDT (2,321 days ago) in Sagittarius

625.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sat, 10 Mar 2018 at 06:06 EDT (2,321 days ago) in Pisces

626.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 09 Mar 2018 at 20:23 EDT (2,322 days ago) in Ophiuchus

627.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°48'. Fri, 09 Mar 2018 at 19:36 EDT (2,322 days ago) in Ophiuchus

628.

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. Fri, 09 Mar 2018 (2,322 days ago) in Carina

629.

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, 09 Mar 2018 at 06:20 EDT (2,322 days ago) in Ophiuchus

630.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 08 Mar 2018 at 23:45 EDT (2,322 days ago) in Libra

631.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 07 Mar 2018 at 04:00 EDT (2,324 days ago) in Libra

632.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°06'. Wed, 07 Mar 2018 at 01:55 EDT (2,324 days ago) in Libra

633.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 1°23'. Mon, 05 Mar 2018 at 13:28 EDT (2,326 days ago) in Pisces

634.

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. Sun, 04 Mar 2018 at 08:45 EDT (2,327 days ago) in Aquarius

635.

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. Sun, 04 Mar 2018 at 04:19 EDT (2,327 days ago) in Virgo

636.

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. Sat, 03 Mar 2018 (2,328 days ago) in Carina

637.

Supernova SN2018zz discovered A new supernova has been discovered in NGC 5419. Fri, 02 Mar 2018 (2,328 days ago)

638.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 01 Mar 2018 at 19:51 EDT (2,330 days ago) in Leo

639.

Supernova SN2018zd discovered A new supernova has been discovered in NGC 2146. Thu, 01 Mar 2018 (2,329 days ago)

640.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Canada, Greenland, Alaska and Iceland amongst others. Thu, 01 Mar 2018 at 00:56 EDT (2,330 days ago) in Leo