481.

December φ-Cassiopeid meteor shower 2017 The December φ-Cassiopeid meteor shower reaches its peak. Tue, 05 Dec 2017 (2,396 days ago) in Andromeda

482.

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. Mon, 04 Dec 2017 at 03:45 EDT (2,398 days ago) in Taurus

483.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 03 Dec 2017 at 10:46 EDT (2,399 days ago) in Taurus

484.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from countries and territories including Russia, Canada, China and Alaska amongst others. Sun, 03 Dec 2017 at 08:09 EDT (2,399 days ago) in Taurus

485.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sun, 03 Dec 2017 at 04:40 EDT (2,399 days ago) in Taurus

486.

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. Sat, 02 Dec 2017 at 04:19 EDT (2,400 days ago) in Taurus

487.

Pheonicid meteor shower 2017 The Pheonicid meteor shower reaches its peak. Sat, 02 Dec 2017 (2,400 days ago) in Phoenix

488.

Supernova SN2017isj discovered A new supernova has been discovered in UGC 6216. Fri, 01 Dec 2017 (2,400 days ago)

489.

Asteroid 349 Dembowska at opposition Asteroid 349 Dembowska makes closest approach to the Earth. Fri, 01 Dec 2017 at 02:10 EDT (2,401 days ago) in Taurus

490.

Conjunction of Mercury and Saturn Mercury and Saturn share the same right ascension, at a separation of 3°03'. Tue, 28 Nov 2017 at 04:42 EDT (2,404 days ago) in Sagittarius

491.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Tue, 28 Nov 2017 at 04:09 EDT (2,404 days ago) in Sagittarius

492.

November Orionid meteor shower 2017 The November Orionid meteor shower reaches its peak. Tue, 28 Nov 2017 (2,404 days ago) in Orion

493.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Mon, 27 Nov 2017 (2,404 days ago) in Ophiuchus

494.

The Hyades cluster is well placed The Hyades open star cluster (Collinder 50; mag 1.0) in Taurus culminates at around midnight local time. Mon, 27 Nov 2017 (2,405 days ago) in Taurus

495.

Lunar occultation of Neptune The Moon will pass in front of Neptune creating a lunar occultation, though it will open be visible only at sea. Mon, 27 Nov 2017 at 00:58 EDT (2,405 days ago) in Aquarius

496.

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. Sun, 26 Nov 2017 at 12:03 EDT (2,406 days ago) in Aquarius

497.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 23 Nov 2017 at 21:32 EDT (2,409 days ago) in Ophiuchus

498.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 22 Nov 2017 at 10:12 EDT (2,410 days ago) in Aquarius

499.

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. Tue, 21 Nov 2017 at 13:53 EDT (2,411 days ago) in Sagittarius

500.

α-Monocerotid meteor shower 2017 The α-Monocerotid meteor shower reaches its peak. Tue, 21 Nov 2017 (2,411 days ago) in Canis Minor