421.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 01 Apr 2017 at 02:00 EDT (2,609 days ago) in Aries

422.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 01 Apr 2017 (2,609 days ago) in Aries

423.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sat, 01 Apr 2017 at 01:30 EDT (2,609 days ago) in Taurus

424.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°29'. Thu, 30 Mar 2017 at 09:02 EDT (2,611 days ago) in Aries

425.

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. Thu, 30 Mar 2017 at 08:32 EDT (2,611 days ago) in Aries

426.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Thu, 30 Mar 2017 at 01:39 EDT (2,611 days ago) in Pisces

427.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°35'. Wed, 29 Mar 2017 at 03:15 EDT (2,612 days ago) in Pisces

428.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 27 Mar 2017 at 22:58 EDT (2,614 days ago) in Cetus

429.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°24'. Mon, 27 Mar 2017 at 01:57 EDT (2,614 days ago) in Pisces

430.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Sat, 25 Mar 2017 at 06:12 EDT (2,616 days ago) in Pisces

431.

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. Sat, 25 Mar 2017 at 05:41 EDT (2,616 days ago) in Aquarius

432.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 23 Mar 2017 at 10:14 EDT (2,618 days ago) in Coma Berenices

433.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Thu, 23 Mar 2017 at 10:07 EDT (2,618 days ago) in Pisces

434.

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. Mon, 20 Mar 2017 at 11:58 EDT (2,621 days ago) in Sagittarius

435.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 20 Mar 2017 at 06:53 EDT (2,621 days ago) in Sagittarius

436.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°26'. Mon, 20 Mar 2017 at 06:28 EDT (2,621 days ago) in Sagittarius

437.

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 2017 at 06:25 EDT (2,621 days ago) in Pisces

438.

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. Sat, 18 Mar 2017 at 13:25 EDT (2,623 days ago) in Ophiuchus

439.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Thu, 16 Mar 2017 (2,625 days ago) in Aquarius

440.

Supernova SN2017cfd discovered A new supernova has been discovered in IC 511. Wed, 15 Mar 2017 (2,625 days ago)