261.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Thu, 22 Apr 2021 (1,115 days ago) in Ursa Major

262.

Lyrid meteor shower 2021 The Lyrid meteor shower reaches its peak. Thu, 22 Apr 2021 (1,115 days ago) in Hercules

263.

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. Tue, 20 Apr 2021 at 02:59 EDT (1,117 days ago) in Cancer

264.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sun, 18 Apr 2021 at 21:56 EDT (1,119 days ago) in Aries

265.

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. Sat, 17 Apr 2021 at 20:13 EDT (1,120 days ago) in Bootes

266.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Sat, 17 Apr 2021 (1,120 days ago) in Canes Venatici

267.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Asia, Christmas Island, Spratly Islands and Paracel Islands. Sat, 17 Apr 2021 at 08:10 EDT (1,120 days ago) in Taurus

268.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 17 Apr 2021 at 08:10 EDT (1,120 days ago) in Taurus

269.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 7'57". Sat, 17 Apr 2021 at 08:08 EDT (1,120 days ago) in Taurus

270.

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. Fri, 16 Apr 2021 (1,121 days ago) in Hydra

271.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Wed, 14 Apr 2021 (1,123 days ago) in Canes Venatici

272.

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. Wed, 14 Apr 2021 at 13:45 EDT (1,123 days ago) in Taurus

273.

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. Tue, 13 Apr 2021 at 22:54 EDT (1,124 days ago) in Cetus

274.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Tue, 13 Apr 2021 (1,124 days ago) in Centaurus

275.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Tue, 13 Apr 2021 (1,124 days ago) in Centaurus

276.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 11 Apr 2021 at 22:32 EDT (1,126 days ago) in Pisces

277.

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 (1,128 days ago) in Aquarius

278.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 07 Apr 2021 at 05:51 EDT (1,130 days ago) in Capricornus

279.

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 (1,130 days ago) in Cetus

280.

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 (1,130 days ago) in Capricornus