Jupiter and Venus close encounter, Neptune and Saturn tango, Uranus meets the Pleiades. Planet guide for August 2025

Jupiter and Venus close encounter, Neptune and Saturn tango, Uranus meets the Pleiades. Planet guide for August 2025

Make the most of Saturn at opposition this month with our guide to observing the planets.

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The planets are improving somewhat in August 2025, as the nights get longer and darker, and several worlds are visible in the sky before sunrise.

Jupiter and Venus are together in the morning sky, visible in the east before sunrise.

At the start of August 2025, the two planets are getting closer to each other with each passing morning, culminating in a beautiful conjunction on 12 August.

At this point Jupiter and Venus will be so close together in the sky, they'll look like a double star.

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See planets Venus and Jupiter together in the morning sky before sunrise, 12 August 2025. Credit: Pete Lawrence
See planets Venus and Jupiter together in the morning sky before sunrise, 12 August 2025. Credit: Pete Lawrence

Saturn and Neptune are also close together, rising in the east just after sunset and visible all night, then visible in the south just as the Sun rises.

If you can locate Saturn, get out your telescope or binoculars and see if you can spot dim Neptune above it.

As always, care must be taken when observing planets before sunrise, as catching a glimpse of the Sun without proper solar observing equipment could seriously damage your eyesight.

See Mercury, Venus, Jupiter and the Moon in a straight line in the east on the morning of 18 August 2025. Uranus is also visible, but trickier to see, while Saturn and Neptune are visible in the south. Credit: Stellarium
See Mercury, Venus, Jupiter and the Moon in a straight line in the east on the morning of 18 August 2025. Uranus is also visible, but trickier to see, while Saturn and Neptune are visible in the south. Credit: Stellarium

Uranus is also a morning planet, visible in the east before sunrise.

It's below the Pleiades star cluster, and will be tracking beneath the Pleiades as the month goes on.

If you can catch Uranus, the Pleiades and bright star Aldebaran together, it could make for a beautiful photo opportunity.

Chart showing the location of Uranus near the Pleiades in August 2025. Credit: Pete Lawrence
Chart showing the location of Uranus near the Pleiades in August 2025. Credit: Pete Lawrence

By late August, Mercury will have emerged into the morning sky too, no longer being swallowed by the Sun's glare.

Indeed, many are talking about the morning planets forming an August planet parade in the morning sky.

Find out what each of the planets is doing in August 2025 via The Sky at Night presenter Pete Lawrence's guide below.

The phase and relative sizes of the planets in August 2025. Each planet is shown with south at the top, to show its orientation through a telescope
The phase and relative sizes of the planets in August 2025. Each planet is shown with south at the top, to show its orientation through a telescope

Mercury

  • Best time to see: 19 August, 40 minutes before sunrise
  • Altitude: 8° (low)
  • Location: Cancer
  • Direction: East-northeast

Mercury reaches inferior conjunction on 1 August and so will be difficult to see until around 19 August, when it emerges from the Sun’s glare into the morning sky. On the 19th, it rises a little under 2 hours before the Sun.

On this date, it shines at mag. +0.1 and is 2.5° south of the Beehive Cluster, M44, but the morning twilight will mask the cluster stars. A slender 4%-lit waning crescent Moon joins the scene on 21 August, 7.6° northwest of mag. –0.2 Mercury. On 31 August, Mercury rises 1 hour 15 minutes before the Sun and shines at mag. –1.1.

Venus

  • Best time to see: 12 August, 90 minutes before sunrise
  • Altitude: 13°
  • Location: Gemini
  • Direction: East-northeast

Venus is also in the morning sky and has a very close encounter with mag. –1.8 Jupiter on 12 August, the pair appearing just 52 arcminutes apart.

On 31 August, mag. –3.8 Venus will be just south of the Beehive Cluster, an encounter just visible in deep twilight from around 04:15 BST (03:15 UT).

Simulated view showing how Jupiter and Venus will appear in the eastern morning sky, 12 August 2025. Credit: Pete Lawrence
Simulated view showing how Jupiter and Venus will appear in the eastern morning sky, 12 August 2025. Credit: Pete Lawrence

Mars

Above the western horizon, Mars is compromised by bright evening twilight after sunset. 

Jupiter

  • Best time to see: 31 August, 04:30 BST (03:30 UT)
  • Altitude: 23° 
  • Location: Gemini
  • Direction: East

Jupiter is yet another morning planet. Although it doesn’t quite manage to reach an optimal position before sunrise, it’s improving rapidly. Shining at mag. –1.8, Jupiter has a close encounter with brilliant Venus on 12 August.

On 20 August, Jupiter and Venus will be joined by a 10%-lit waning crescent Moon to form a distinctive morning triangle. By the end of the month, Jupiter manages to appear 23° above the eastern horizon before the onset of dawn.

Saturn

  • Best time to see: 31 August, 02:40 BST (01:40 UT)
  • Altitude: 35° 
  • Location: Pisces
  • Direction: South

You won’t see much of the wonderful rings around Saturn’s globe this month, as they are still tilted edge-on to Earth, but on the plus side, Saturn is able to reach peak altitude under dark-sky conditions from the middle of the month onwards.

Shining at mag. +0.5 near the Circlet asterism in Pisces, Saturn is also close to Neptune. By the end of the month, the planet’s brightness will have increased slightly to mag. +0.3.

Uranus

  • Best time to see: 31 August, 04:00 BST (03:00 UT)
  • Altitude: 48°
  • Location: Taurus
  • Direction: Southeast
  • Features: Colour, subtle atmospheric banding, moons
  • Recommended equipment: 200mm or larger

Neptune

  • Best time to see: 31 August, 02:40 BST (01:40 UT)
  • Altitude: 36° 
  • Location: Pisces
  • Direction: South

Neptune is just over a degree from Saturn currently and, like the ringed planet, is able to reach maximum altitude under true darkness from the middle of the month onwards. 

If you are a practical observer or an astro imager, share your observing adventures and images with us by emailing contactus@skyatnightmagazine.com

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