1.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Thu, 11 Apr 2019 at 11:45 EDT (1,844 days ago) in Aquarius

2.

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. Fri, 12 Apr 2019 at 15:06 EDT (1,843 days ago) in Gemini

3.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Fri, 12 Apr 2019 at 21:22 EDT (1,843 days ago) in Aquarius

4.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sat, 13 Apr 2019 at 16:46 EDT (1,842 days ago) in Cancer

5.

Centaurus A is well placed Centaurus A (NGC 5128; mag 7.0) culminates at around midnight local time. Sat, 13 Apr 2019 (1,842 days ago) in Centaurus

6.

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. Sat, 13 Apr 2019 at 23:06 EDT (1,842 days ago) in Cetus

7.

Omega Centauri is well placed The brightest globular cluster in the sky, Omega Centauri (mag 3.6) culminates at around midnight local time. Sun, 14 Apr 2019 (1,841 days ago) in Centaurus

8.

The Whirlpool Galaxy is well placed The Whirlpool Galaxy M51 (NGC 5194; mag 8.4) in Canes Venatici culminates at around midnight local time. Sun, 14 Apr 2019 (1,841 days ago) in Canes Venatici

9.

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, 16 Apr 2019 at 04:18 EDT (1,839 days ago) in Bootes

10.

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, 16 Apr 2019 at 18:04 EDT (1,839 days ago) in Leo

11.

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. Tue, 16 Apr 2019 (1,839 days ago) in Hydra

12.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Wed, 17 Apr 2019 at 22:25 EDT (1,838 days ago) in Pisces

13.

Messier 3 is well placed The globular cluster M3 (NGC 5272; mag 6.3) in Canes Venatici culminates at around midnight local time. Thu, 18 Apr 2019 (1,837 days ago) in Canes Venatici

14.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 19 Apr 2019 at 07:12 EDT (1,836 days ago) in Virgo

15.

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. Sun, 21 Apr 2019 at 22:04 EDT (1,834 days ago) in Scorpius

16.

Uranus at solar conjunction Uranus 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, 22 Apr 2019 at 18:57 EDT (1,833 days ago) in Aries

17.

Lyrid meteor shower 2019 The Lyrid meteor shower reaches its peak. Mon, 22 Apr 2019 (1,832 days ago) in Hercules

18.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°38'. Tue, 23 Apr 2019 at 07:34 EDT (1,832 days ago) in Ophiuchus

19.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 23 Apr 2019 at 07:57 EDT (1,832 days ago) in Ophiuchus

20.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Tue, 23 Apr 2019 (1,832 days ago) in Ursa Major