141.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Sun, 13 Apr 2025 (353 days away) in Centaurus

142.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Mon, 14 Apr 2025 (354 days away) in Canes Venatici

143.

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. Mon, 14 Apr 2025 at 22:45 EDT (354 days away) in Cetus

144.

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, 15 Apr 2025 at 19:07 EDT (355 days away) in Libra

145.

Conjunction of Mercury and Neptune Mercury and Neptune share the same right ascension, at a separation of 41'. Wed, 16 Apr 2025 at 14:32 EDT (356 days away) in Pisces

146.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Wed, 16 Apr 2025 at 16:38 EDT (356 days away) in Cancer

147.

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, South Africa, Namibia and Botswana amongst others. Wed, 16 Apr 2025 at 18:52 EDT (356 days away) in Scorpius

148.

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. Wed, 16 Apr 2025 (356 days away) in Hydra

149.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Thu, 17 Apr 2025 at 09:32 EDT (357 days away) in Pisces

150.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Thu, 17 Apr 2025 (357 days away) in Canes Venatici

151.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sat, 19 Apr 2025 (359 days away) in Pisces

152.

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, 20 Apr 2025 at 21:36 EDT (360 days away) in Capricornus

153.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 21 Apr 2025 at 11:06 EDT (361 days away) in Pisces

154.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 22 Apr 2025 at 05:13 EDT (362 days away) in Bootes

155.

Lyrid meteor shower 2025 The Lyrid meteor shower reaches its peak. Tue, 22 Apr 2025 (362 days away) in Hercules

156.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Tue, 22 Apr 2025 (362 days away) in Ursa Major

157.

π-Puppid meteor shower 2025 The π-Puppid meteor shower reaches its peak. Wed, 23 Apr 2025 (363 days away) in Puppis

158.

Venus at greatest brightness Venus reaches its greatest brightness in the dawn sky. Thu, 24 Apr 2025 at 02:02 EDT (364 days away) in Pisces

159.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 24 Apr 2025 at 11:41 EDT (364 days away) in Cetus

160.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°23'. Thu, 24 Apr 2025 at 21:21 EDT (364 days away) in Pisces