141.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Canada and Alaska. Wed, 18 Apr 2018 at 21:51 PDT (2,635 days ago) in Taurus

142.

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. Fri, 20 Apr 2018 at 07:41 PDT (2,633 days ago) in Orion

143.

Lyrid meteor shower 2018 The Lyrid meteor shower reaches its peak. Sun, 22 Apr 2018 (2,631 days ago) in Hercules

144.

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. Sun, 22 Apr 2018 at 14:46 PDT (2,631 days ago) in Cancer

145.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 23 Apr 2018 at 03:51 PDT (2,630 days ago) in Cetus

146.

π-Puppid meteor shower 2018 The π-Puppid meteor shower reaches its peak. Mon, 23 Apr 2018 (2,630 days ago) in Puppis

147.

Messier 101 is well placed The Pinwheel Galaxy M101 (NGC 5457; mag 7.9) in Ursa Major culminates at around midnight local time. Mon, 23 Apr 2018 (2,630 days ago) in Ursa Major

148.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Russia and Kazakhstan. Tue, 24 Apr 2018 at 13:38 PDT (2,629 days ago) in Leo

149.

Conjunction of Mars and Pluto Mars and Pluto share the same right ascension, at a separation of 1°25'. Wed, 25 Apr 2018 at 19:13 PDT (2,628 days ago) in Sagittarius

150.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 29 Apr 2018 at 08:15 PDT (2,624 days ago) in Cetus

151.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 29 Apr 2018 at 17:58 PDT (2,624 days ago) in Libra

152.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 30 Apr 2018 (2,623 days ago) in Cetus

153.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°49'. Mon, 30 Apr 2018 at 10:14 PDT (2,623 days ago) in Libra

154.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 30 Apr 2018 at 12:16 PDT (2,623 days ago) in Libra

155.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Mon, 30 Apr 2018 at 13:47 PDT (2,623 days ago) in Cancer

156.

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. Wed, 02 May 2018 at 10:53 PDT (2,621 days ago) in Ophiuchus

157.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 03 May 2018 at 09:44 PDT (2,620 days ago) in Pisces

158.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°41'. Fri, 04 May 2018 at 13:14 PDT (2,619 days ago) in Sagittarius

159.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 04 May 2018 at 13:16 PDT (2,619 days ago) in Sagittarius

160.

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. Sat, 05 May 2018 at 17:34 PDT (2,618 days ago) in Sagittarius