501.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Tue, 13 Apr 2021 (1,174 days ago) in Centaurus

502.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 11 Apr 2021 at 22:32 EDT (1,176 days ago) in Pisces

503.

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. Fri, 09 Apr 2021 at 04:32 EDT (1,178 days ago) in Aquarius

504.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 07 Apr 2021 at 05:51 EDT (1,180 days ago) in Capricornus

505.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 07 Apr 2021 at 05:34 EDT (1,180 days ago) in Cetus

506.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°23'. Wed, 07 Apr 2021 at 03:18 EDT (1,180 days ago) in Capricornus

507.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 06 Apr 2021 at 06:12 EDT (1,181 days ago) in Capricornus

508.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°57'. Tue, 06 Apr 2021 at 04:30 EDT (1,181 days ago) in Capricornus

509.

The Jewel Box cluster is well placed The Jewel Box open star cluster (NGC 4755, also known as the Kappa Crucis Cluster; mag 4.2) in Crux culminates at around midnight local time. Mon, 05 Apr 2021 (1,182 days ago) in Crux

510.

Messier 94 is well placed M94 (mag 8.2), a spiral galaxy in Canes Venatici culminates at around midnight local time. Sun, 04 Apr 2021 (1,183 days ago) in Canes Venatici

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. Sun, 04 Apr 2021 at 06:03 EDT (1,183 days ago) in Sagittarius

512.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Sun, 04 Apr 2021 at 05:34 EDT (1,183 days ago) in Virgo

513.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Mauritania, Western Sahara, Senegal and Morocco amongst others. Sun, 04 Apr 2021 at 02:19 EDT (1,183 days ago) in Sagittarius

514.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Thu, 01 Apr 2021 (1,186 days ago) in Virgo

515.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Oceania, Baker Island, Howland Island, Jarvis Island, Kingman Reef, Palmyra Atoll and Tokelau. Thu, 01 Apr 2021 at 07:39 EDT (1,186 days ago) in Scorpius

516.

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. Tue, 30 Mar 2021 at 19:40 EDT (1,188 days ago) in Libra

517.

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 Mar 2021 at 02:15 EDT (1,188 days ago) in Virgo

518.

Conjunction of Mercury and Neptune Mercury and Neptune share the same right ascension, at a separation of 1°23'. Mon, 29 Mar 2021 at 15:15 EDT (1,189 days ago) in Aquarius

519.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 28 Mar 2021 at 14:48 EDT (1,190 days ago) in Virgo

520.

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. Sat, 27 Mar 2021 at 10:48 EDT (1,191 days ago) in Coma Berenices