421.

Messier 94 is well placed M94 (mag 8.2), a spiral galaxy in Canes Venatici culminates at around midnight local time. Sat, 04 Apr 2026 (135 days ago) in Canes Venatici

422.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Sun, 05 Apr 2026 at 01:23 EDT (134 days ago) in Libra

423.

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. Sun, 05 Apr 2026 (134 days ago) in Crux

424.

Comet C/2026 A1 (MAPS) passes perigee Comet C/2026 A1 (MAPS) makes its closest approach to the Earth. Mon, 06 Apr 2026 (133 days ago) in Pisces

425.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Antarctica, Madagascar, French Southern Territories and Mauritius amongst others. Mon, 06 Apr 2026 at 15:54 EDT (133 days ago) in Scorpius

426.

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, 07 Apr 2026 at 04:30 EDT (132 days ago) in Ophiuchus

427.

Conjunction of Venus and Ceres Venus and Ceres share the same right ascension, at a separation of 4°35'. Wed, 08 Apr 2026 at 09:03 EDT (131 days ago) in Cetus

428.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Antarctica, New Zealand and Macquarie Island. Thu, 09 Apr 2026 at 09:49 EDT (130 days ago) in Sagittarius

429.

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. Fri, 10 Apr 2026 at 00:52 EDT (129 days ago) in Sagittarius

430.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 20'. Mon, 13 Apr 2026 at 05:59 EDT (126 days ago) in Pisces

431.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Mon, 13 Apr 2026 (126 days ago) in Centaurus

432.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Mon, 13 Apr 2026 (126 days ago) in Centaurus

433.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Tue, 14 Apr 2026 at 17:52 EDT (125 days ago) in Pisces

434.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Tue, 14 Apr 2026 (125 days ago) in Canes Venatici

435.

136199 Eris at solar conjunction 136199 Eris 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, 15 Apr 2026 at 01:34 EDT (124 days ago) in Cetus

436.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 5°12'. Wed, 15 Apr 2026 at 15:11 EDT (124 days ago) in Pisces

437.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°42'. Wed, 15 Apr 2026 at 20:46 EDT (124 days ago) in Pisces

438.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 5°14'. Thu, 16 Apr 2026 at 02:08 EDT (123 days ago) in Cetus

439.

Conjunction of Mercury and Neptune Mercury and Neptune share the same right ascension, at a separation of 1°25'. Thu, 16 Apr 2026 at 12:26 EDT (123 days ago) in Pisces

440.

Messier 83 is well placed The Southern Pinwheel Galaxy M83 (NGC 5236; mag 7.2), a face-on spiral galaxy in Hydra culminates at around midnight local time. Thu, 16 Apr 2026 (123 days ago) in Hydra