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Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

A fireball at night, brighter than a full moon - 16.11.2017 at 18.30 Inari Observation number 68395

Visibility V / V

Not visible

The blue-green stripe of light was long and bright, illuminating all around the snow. It took about 5-6 seconds. Lost to an orange-red dot high in the sky, so didn’t seem to drop anywhere. Just lost. The sound came much later, minutes passed, I can’t estimate how many. Then a really hard bang and pressure seemed to come from above. After a bang, there was a rumble / rumble every second. This took more than 10 seconds.



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Additional information
  • Accuracy of the given observation time?
    • 15 min difference possible
  • How long time did you see the fireball fly in the sky?
    • 6 seconds
  • How the flight of the fireball ended?
    • The fireball disappeared suddenly
  • In which direction the fireball disappeared out of sight?
    • East
  • In which altitude the bolide disappeared from your sight?
    • About half way between the horizon and the zenith
  • Sound(s) related to the fireball
    • Sonic boom(s)
  • Brightness of the fireball
    • A fireball at night, brighter than a full moon
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