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Ursa Astronomical Association

A fireball at night, as bright as a cresent moon - 10.9.2015 at 22.48 Mäntyharju Observation number 42346

Visibility IV / V

Markku Siljama, Ursa (Etelä-Suomi)

In the middle of the northern lights, a bright meteor flashed in the constellation of Hercules. I didn't see the beginning but the end for just over a second. each other on almost the same track.The ignition height from which my observation began was about 30 degrees, the extinction height about 16 degrees.Yellowish.

I listened to a possible rumble for about 3-4 minutes but heard nothing to mention.

The picture below is an observation picture taken after about 5 minutes of the event, in the picture I have outlined the flight path in memory, can be thrown..came so damn without warning ..

The weather is completely clear and calm and moonless.

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Additional information
  • Accuracy of the given observation time?
    • 5 min difference possible
  • How long time did you see the fireball fly in the sky?
    • 2 seconds
  • How the flight of the fireball ended?
    • The fireball broke into pieces, which faded away
  • In which direction the fireball disappeared out of sight?
    • West
  • In which altitude the bolide disappeared from your sight?
    • About 1/3 from the horizon towards the zenith
  • Brightness of the fireball
    • A fireball at night, as bright as a crescent moon
Technical information

Canon EOS 1100 D 18 mm

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