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August 2025 Celestial Events Guide

August 2025 Celestial Events Guide

Here's your complete astronomical calendar for August 2025, featuring planetary alignments, meteor showers, and lunar events in an easy-to-read format.

(Moon phase image credit: MoonGiant.com)

🌕 Major Lunar Events

DateEventTime (GMT)Details
Aug 9Sturgeon Full Moon07:55• Moon in Capricorn
• Named after abundant sturgeon fish catches
• Technically full for just a moment, but appears full ±1 day
Aug 23New Moon06:06• Perfect for stargazing
• Moon between Earth and Sun
• No moonlight interference

🌠 Meteor Showers

Perseid Meteor Shower Peak

  • Dates: Aug 11-12
  • Peak Rate: 100 meteors/hour
  • Moon Phase: 91% illuminated (bright interference)
  • Visibility: Northern Hemisphere
  • Best Viewing: Predawn hours
  • Pro Tip: Observe from shadowed areas to reduce moonlight effects

(Active period: July 17 - August 24 | Radiant: Perseus constellation)

🔭 Planetary Alignments & Conjunctions

August 11: Six-Planet Alignment

Visible Planets: Mercury, Jupiter, Venus, Saturn
Telescope Needed: Uranus, Neptune

(Image Credit: StarWalk.space )
PlanetMagnitudeConstellationVisibility
Mercury-0.5GeminiNaked eye
Jupiter-1.9GeminiNaked eye
Venus-4.0GeminiNaked eye
Saturn0.7PiscesNaked eye

Notable Conjunctions

DateEventTime (GMT)SeparationDetails
Aug 12Venus-Jupiter Conjunction07:000°54'Brightest planetary pair in morning sky
Aug 12Moon-Saturn Conjunction15:054°00'88% moon in Pisces
Aug 12Moon-Neptune Conjunction13:362°34'Telescope required
Aug 16Moon-Pleiades Conjunction16:090°54'Beautiful in binoculars
Aug 19Moon-Jupiter Conjunction21:054°48'13% moon
Aug 20Moon-Venus Conjunction12:274°45'9% moon
Aug 21Moon-Mercury Conjunction16:143°42'Excellent for planet spotting
Aug 26Moon-Mars Conjunction16:412°48'Red planet visible

☄️ Special Event: Mercury at Greatest Western Elongation

Date: August 19
Details:

  • Maximum angular distance: 18°36' west of Sun
  • Visibility: Best morning apparition of 2025
  • Magnitude: -0.2
  • Location: Cancer constellation

Observation Tips

  1. For Perseids: Use buildings/trees to block moonlight
  2. For Planets: Use astronomy apps to locate conjunctions
  3. Best Timing: 1 hour before sunrise for morning events
  4. Equipment: Binoculars (7x50 or 10x50) ideal for most events

All times in GMT. Convert to your local time zone for exact viewing times.

Would you like me to create a printable version of this calendar? 🌌🔭

(*  Data sourced from StarWalk.space)



Wendy

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2025.07.15