1.

Supernova SN2017drh discovered A new supernova has been discovered in NGC 6384. Wed, 03 May 2017 (2,572 days ago)

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. Wed, 03 May 2017 at 10:47 GMT+08 (2,572 days ago) in Cancer

3.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including Australia, New Zealand, Indonesia and Papua New Guinea amongst others. Thu, 04 May 2017 at 17:58 GMT+08 (2,571 days ago) in Leo

4.

η-Aquariid meteor shower 2017 The η-Aquariid meteor shower reaches its peak. Sat, 06 May 2017 (2,569 days ago) in Aquarius

5.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 06 May 2017 at 21:49 GMT+08 (2,569 days ago) in Pisces

6.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°06'. Mon, 08 May 2017 at 05:25 GMT+08 (2,567 days ago) in Virgo

7.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 08 May 2017 at 06:45 GMT+08 (2,567 days ago) in Virgo

8.

Conjunction of Mercury and Uranus Mercury and Uranus share the same right ascension, at a separation of 2°13'. Mon, 08 May 2017 at 07:19 GMT+08 (2,567 days ago) in Pisces

9.

η-Lyrid meteor shower 2017 The η-Lyrid meteor shower reaches its peak. Mon, 08 May 2017 (2,567 days ago) in Lyra

10.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 11 May 2017 at 05:42 GMT+08 (2,564 days ago) in Libra

11.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Fri, 12 May 2017 (2,564 days ago) in Serpens Caput

12.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 9°39'. Fri, 12 May 2017 at 20:55 GMT+08 (2,563 days ago) in Cetus

13.

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, 13 May 2017 at 03:51 GMT+08 (2,562 days ago) in Ophiuchus

14.

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. Sat, 13 May 2017 at 14:20 GMT+08 (2,562 days ago) in Ophiuchus

15.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°04'. Sun, 14 May 2017 at 06:45 GMT+08 (2,561 days ago) in Sagittarius

16.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 14 May 2017 at 07:10 GMT+08 (2,561 days ago) in Sagittarius

17.

Supernova SN2017eaw discovered A new supernova has been discovered in NGC 6946. Sun, 14 May 2017 (2,561 days ago)

18.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Thu, 18 May 2017 at 07:06 GMT+08 (2,557 days ago) in Pisces

19.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 19 May 2017 (2,557 days ago) in Pisces

20.

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. Fri, 19 May 2017 at 08:33 GMT+08 (2,556 days ago) in Aquarius