521.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Argentina, Brazil, Chile and Bolivia amongst others. Sat, 14 Jan 2017 at 23:06 EDT (2,716 days ago) in Leo

522.

NGC 2403 is well placed NGC 2403 (mag 8.9), a spiral galaxy in Camelopardalis culminates at around midnight local time. Sat, 14 Jan 2017 (2,717 days ago) in Camelopardalis

523.

The cluster Messier 47 is well placed The open star cluster M47 (NGC 2422; mag 4.4) in Puppis culminates at around midnight local time. Sat, 14 Jan 2017 (2,717 days ago) in Puppis

524.

Venus at dichotomy Venus reaches half phase in the evening sky. Sat, 14 Jan 2017 at 08:18 EDT (2,717 days ago) in Aquarius

525.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 13 Jan 2017 at 17:09 EDT (2,718 days ago) in Sagittarius

526.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 13 Jan 2017 (2,718 days ago) in Sagittarius

527.

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, 12 Jan 2017 at 20:49 EDT (2,719 days ago) in Cancer

528.

Conjunction of Venus and Neptune Venus and Neptune share the same right ascension, at a separation of 24'. Thu, 12 Jan 2017 at 20:39 EDT (2,719 days ago) in Aquarius

529.

Close approach of Venus and Neptune Venus and Neptune pass within 21' of each other. Thu, 12 Jan 2017 at 16:03 EDT (2,719 days ago) in Aquarius

530.

Venus at greatest elongation east Venus is bright and well placed in the evening sky. Thu, 12 Jan 2017 at 11:06 EDT (2,719 days ago) in Aquarius

531.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 12 Jan 2017 at 06:33 EDT (2,719 days ago) in Gemini

532.

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. Tue, 10 Jan 2017 at 01:00 EDT (2,721 days ago) in Taurus

533.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Asia, Russia and Wake Island. Mon, 09 Jan 2017 at 09:24 EDT (2,722 days ago) in Taurus

534.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Mon, 09 Jan 2017 at 05:50 EDT (2,722 days ago) in Taurus

535.

Supernova SN2017jd discovered A new supernova has been discovered in IC 5334. Sun, 08 Jan 2017 (2,722 days ago)

536.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 07 Jan 2017 at 07:55 EDT (2,724 days ago) in Sagittarius

537.

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, 05 Jan 2017 at 14:47 EDT (2,726 days ago) in Pisces

538.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 04 Jan 2017 at 09:17 EDT (2,727 days ago) in Pisces

539.

Quadrantid meteor shower 2017 The Quadrantid meteor shower reaches its peak. Tue, 03 Jan 2017 (2,728 days ago) in Bootes

540.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 14'. Tue, 03 Jan 2017 at 01:46 EDT (2,728 days ago) in Aquarius