1.

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. Mon, 07 Oct 2013 at 04:03 EDT (3,864 days ago) in Libra

2.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°55'. Mon, 07 Oct 2013 at 00:11 EDT (3,864 days ago) in Libra

3.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 06 Oct 2013 at 23:27 EDT (3,865 days ago) in Libra

4.

Supernova SN2013fs discovered A new supernova has been discovered in NGC 7610. Sun, 06 Oct 2013 (3,864 days ago)

5.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°50'. Sun, 06 Oct 2013 at 18:27 EDT (3,865 days ago) in Virgo

6.

October Camelopardalid meteor shower 2013 The October Camelopardalid meteor shower reaches its peak. Sat, 05 Oct 2013 (3,866 days ago) in Draco

7.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 04 Oct 2013 at 20:35 EDT (3,867 days ago) in Virgo

8.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Fri, 04 Oct 2013 (3,867 days ago) in Libra

9.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Thu, 03 Oct 2013 at 22:40 EDT (3,868 days ago) in Libra

10.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 03 Oct 2013 at 10:03 EDT (3,868 days ago) in Pisces

11.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 6°38'. Tue, 01 Oct 2013 at 02:26 EDT (3,870 days ago) in Leo

12.

Supernova PSN J01560428+3607424 discovered A new supernova has been discovered in UGC 1400. Sun, 29 Sep 2013 (3,871 days ago)

13.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°52'. Sat, 28 Sep 2013 at 05:11 EDT (3,873 days ago) in Gemini

14.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sat, 28 Sep 2013 at 03:33 EDT (3,873 days ago) in Gemini

15.

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. Fri, 27 Sep 2013 at 14:16 EDT (3,874 days ago) in Gemini

16.

Daytime Sextantid meteor shower 2013 The Daytime Sextantid meteor shower reaches its peak. Fri, 27 Sep 2013 (3,874 days ago) in Sextans

17.

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. Thu, 26 Sep 2013 at 23:56 EDT (3,875 days ago) in Orion

18.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 24 Sep 2013 at 20:42 EDT (3,877 days ago) in Virgo

19.

Supernova ASASSN-13dd discovered A new supernova has been discovered in NGC 2765. Mon, 23 Sep 2013 (3,877 days ago)

20.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Mon, 23 Sep 2013 at 07:58 EDT (3,878 days ago) in Pegasus