501.

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. Tue, 13 Feb 2018 at 13:38 EDT (2,317 days ago) in Capricornus

502.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 11 Feb 2018 at 09:39 EDT (2,319 days ago) in Sagittarius

503.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°27'. Sun, 11 Feb 2018 at 09:30 EDT (2,319 days ago) in Sagittarius

504.

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 Feb 2018 at 09:15 EDT (2,319 days ago) in Sagittarius

505.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 09 Feb 2018 at 02:00 EDT (2,321 days ago) in Ophiuchus

506.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°23'. Fri, 09 Feb 2018 at 00:11 EDT (2,321 days ago) in Ophiuchus

507.

NGC 2808 is well placed The globular cluster NGC 2808 (mag 6.2) in Carina culminates at around midnight local time. Thu, 08 Feb 2018 (2,322 days ago) in Carina

508.

α-Centaurid meteor shower 2018 The α-Centaurid meteor shower reaches its peak. Thu, 08 Feb 2018 (2,322 days ago) in Centaurus

509.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 07 Feb 2018 at 17:02 EDT (2,323 days ago) in Libra

510.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°17'. Wed, 07 Feb 2018 at 14:45 EDT (2,323 days ago) in Libra

511.

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. Wed, 07 Feb 2018 at 10:54 EDT (2,323 days ago) in Libra

512.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Russia, China, Sweden and Finland amongst others. Thu, 01 Feb 2018 at 14:12 EDT (2,329 days ago) in Leo

513.

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, 01 Feb 2018 at 14:01 EDT (2,329 days ago) in Leo

514.

The cluster IC 2395 is well placed The open star cluster IC 2395 (mag 4.0) in Vela culminates at around midnight local time. Wed, 31 Jan 2018 (2,330 days ago) in Vela

515.

The Omicron Velorum cluster is well placed The Omicron Velorum open star cluster (IC 2391; mag 2.5) in Vela culminates at around midnight local time. Wed, 31 Jan 2018 (2,330 days ago) in Vela

516.

The Beehive cluster is well placed The Beehive open star cluster (M44, NGC 2632, also known as Praesepe; mag 3.1) culminates at around midnight local time. Wed, 31 Jan 2018 (2,330 days ago) in Cancer

517.

Total lunar eclipse There will be an eclipse of the Moon, visible from Russia, Asia, the Americas, Oceania, Alaska and Antarctica. Wed, 31 Jan 2018 at 08:30 EDT (2,330 days ago) in Cancer

518.

Blue Moon The Moon reaches full phase and is visible for much of the night. Wed, 31 Jan 2018 at 08:26 EDT (2,330 days ago) in Cancer

519.

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. Wed, 31 Jan 2018 at 06:51 EDT (2,330 days ago) in Cancer

520.

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, 30 Jan 2018 at 04:57 EDT (2,331 days ago) in Gemini