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Moonlight Curbs Perseids Meteor Shower as Hokkaido Spotlights Meteor Trains

Observers in weather-favorable areas reported multiple Perseids meteors alongside glowing trains despite overwhelming moonlight.

Overview

  • The Perseids meteor shower reached its annual peak overnight on August 12–13, 2025.
  • The National Astronomical Observatory of Japan reported that bright moonlight reduced the number of visible meteors.
  • Observers in clear-sky areas recorded fewer but still notable meteor streaks alongside occasional glowing trains.
  • In Tomamae, Hokkaido, viewers counted multiple shooting stars and photographed brief trains against the Milky Way.
  • The shower occurs each year as Earth passes through cometary debris and is considered one of the three major meteor showers.