1.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Africa, Asia, Eastern Europe, Greece, Russia, Macedonia and RAF Akrotiri. Thu, 22 Jul 2021 at 12:32 PDT (1,441 days ago) in Sagittarius

2.

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. Fri, 23 Jul 2021 at 06:44 PDT (1,440 days ago) in Sagittarius

3.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Fri, 23 Jul 2021 at 18:04 PDT (1,440 days ago) in Gemini

4.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 23 Jul 2021 at 19:36 PDT (1,440 days ago) in Capricornus

5.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°48'. Sat, 24 Jul 2021 at 09:38 PDT (1,439 days ago) in Capricornus

6.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 24 Jul 2021 at 11:08 PDT (1,439 days ago) in Capricornus

7.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°10'. Sun, 25 Jul 2021 at 18:21 PDT (1,438 days ago) in Aquarius

8.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sun, 25 Jul 2021 at 20:49 PDT (1,438 days ago) in Aquarius

9.

Piscis Austrinid meteor shower 2021 The Piscis Austrinid meteor shower reaches its peak. Wed, 28 Jul 2021 (1,435 days ago) in Piscis Austrinus

10.

Southern δ-Aquariid meteor shower 2021 The Southern δ-Aquariid meteor shower reaches its peak. Thu, 29 Jul 2021 (1,433 days ago) in Aquarius

11.

α-Capricornid meteor shower 2021 The α-Capricornid meteor shower reaches its peak. Thu, 29 Jul 2021 (1,433 days ago) in Capricornus

12.

Asteroid 12 Victoria at opposition Asteroid 12 Victoria makes closest approach to the Earth. Fri, 30 Jul 2021 at 02:34 PDT (1,433 days ago) in Aquila

13.

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. Sat, 31 Jul 2021 at 06:16 PDT (1,432 days ago) in Aries

14.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sun, 01 Aug 2021 at 07:14 PDT (1,431 days ago) in Cancer

15.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Sun, 01 Aug 2021 at 23:06 PDT (1,431 days ago) in Capricornus

16.

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. Mon, 02 Aug 2021 at 00:35 PDT (1,430 days ago) in Taurus

17.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 08 Aug 2021 at 06:51 PDT (1,424 days ago) in Cancer

18.

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, 09 Aug 2021 at 11:41 PDT (1,423 days ago) in Leo

19.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°17'. Mon, 09 Aug 2021 at 17:42 PDT (1,423 days ago) in Leo

20.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°17'. Tue, 10 Aug 2021 at 23:59 PDT (1,422 days ago) in Virgo