1.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°41'. Sat, 23 May 2020 at 22:41 EDT (1,439 days ago) in Taurus

2.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°46'. Sun, 24 May 2020 at 06:51 EDT (1,438 days ago) in Taurus

3.

Comet 58P/Jackson-Neujmin passes perihelion Comet 58P/Jackson-Neujmin makes its closest approach to the Sun. Wed, 27 May 2020 (1,435 days ago) in Pisces

4.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Thu, 28 May 2020 (1,434 days ago) in Scorpius

5.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 29 May 2020 at 12:50 EDT (1,433 days ago) in Gemini

6.

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, 29 May 2020 at 23:30 EDT (1,433 days ago) in Leo

7.

Supernova SN2020llx discovered A new supernova has been discovered in NGC 7140. Sat, 30 May 2020 (1,431 days ago)

8.

Conjunction of Mars and Ceres Mars and Ceres share the same right ascension, at a separation of 7°56'. Sun, 31 May 2020 at 16:51 EDT (1,431 days ago) in Aquarius

9.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Mon, 01 Jun 2020 (1,430 days ago) in Gemini

10.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Mon, 01 Jun 2020 (1,430 days ago) in Hercules

11.

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, 02 Jun 2020 at 23:38 EDT (1,429 days ago) in Libra

12.

Venus at inferior solar conjunction Venus passes around the near side of the Sun. Wed, 03 Jun 2020 at 13:38 EDT (1,428 days ago) in Taurus

13.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Wed, 03 Jun 2020 (1,428 days ago) in Ophiuchus

14.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 04 Jun 2020 at 12:28 EDT (1,427 days ago) in Gemini

15.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 05 Jun 2020 at 15:12 EDT (1,426 days ago) in Ophiuchus

16.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, Asia, Africa, Russia, Oceania and Europe. Fri, 05 Jun 2020 at 15:26 EDT (1,426 days ago) in Ophiuchus

17.

Messier 10 is well placed The globular cluster M10 (NGC 6254; mag 6.6) in Ophiuchus culminates at around midnight local time. Fri, 05 Jun 2020 (1,426 days ago) in Ophiuchus

18.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Sat, 06 Jun 2020 (1,425 days ago) in Ophiuchus

19.

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, 06 Jun 2020 at 21:20 EDT (1,425 days ago) in Sagittarius

20.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°11'. Mon, 08 Jun 2020 at 13:20 EDT (1,423 days ago) in Sagittarius