81.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 31 Mar 2013 at 07:19 EDT (4,069 days ago) in Aquarius

82.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sun, 31 Mar 2013 at 14:12 EDT (4,069 days ago) in Aquarius

83.

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. Wed, 03 Apr 2013 at 00:37 EDT (4,066 days ago) in Sagittarius

84.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 7°02'. Mon, 08 Apr 2013 at 05:47 EDT (4,061 days ago) in Aquarius

85.

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, 09 Apr 2013 at 07:32 EDT (4,060 days ago) in Bootes

86.

April Naked Astronomy podcast released Space Boffins Sue Nelson and Richard Hollingham are reduced to tears of laughter by Apollo 15 astronaut Al Worden, enlightened by studio guest and space scientist Dr Lucie Green, and XCOR's Jeff Greason meets Richard in the Mojave Desert to discuss the r... Tue, 09 Apr 2013 (4,059 days ago)

87.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 10 Apr 2013 at 05:36 EDT (4,059 days ago) in Pisces

88.

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. Fri, 12 Apr 2013 at 00:22 EDT (4,057 days ago) in Cetus

89.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°03'. Sun, 14 Apr 2013 at 14:27 EDT (4,055 days ago) in Taurus

90.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 14 Apr 2013 at 14:36 EDT (4,055 days ago) in Taurus

91.

Mars at solar conjunction Mars 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, 17 Apr 2013 at 19:43 EDT (4,052 days ago) in Pisces

92.

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. Thu, 18 Apr 2013 at 08:31 EDT (4,051 days ago) in Cancer

93.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°01'. Fri, 19 Apr 2013 at 17:12 EDT (4,050 days ago) in Pisces

94.

Supernova SN2013bu discovered A new supernova has been discovered in NGC 7331. Sat, 20 Apr 2013 (4,048 days ago)

95.

Lyrid meteor shower 2013 The Lyrid meteor shower reaches its peak. Mon, 22 Apr 2013 (4,047 days ago) in Hercules

96.

π-Puppid meteor shower 2013 The π-Puppid meteor shower reaches its peak. Tue, 23 Apr 2013 (4,046 days ago) in Puppis

97.

April Naked Astronomy podcast released We talk to Planck Scientists at the Kavli Institute in Cambridge, and Nick James, an amateur astronomer who has set up a security camera on the side of his house to observe shooting stars. Plus we answer more of your space science questions. Like this po... Wed, 24 Apr 2013 (4,044 days ago)

98.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Sub-Saharan Africa, South America, the Caribbean, Bonaire, Saint Eustatius and Saba and Grenada. Wed, 24 Apr 2013 at 20:27 EDT (4,045 days ago) in Virgo

99.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 25 Apr 2013 at 15:57 EDT (4,044 days ago) in Virgo

100.

Partial lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, Asia, Africa, Russia, Europe and Australia. Thu, 25 Apr 2013 at 16:07 EDT (4,044 days ago) in Virgo