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Ursa Astronomical Association

A fireball at night, as bright as a cresent moon - 1.9.2020 at 21.42 Helsinki Observation number 93350

Visibility IV / V

Esko Lyytinen, Ursa (Helsinki)

I promised in my 93315 comment to put this observation here (a little delay due to other chores).

In the picture on the right, there is almost only a spot spread by the brightness. However, a little more trace stands out weakly and got it better from the recognition coordinates.

I also connect BT. According to it, the 380 KDR meteor of the flock of the IAU Working List would fit quite well.

I estimate the brightness from Figure -7. According to it, there would have been, in absolute and / or near below, about half a month of brightness in a flash.

The duration in detection was 0.64 s, but the correct duration was probably longer. Even the nearby cloud may have prevented some of the flight from being invisible. The exact time was 21.41.35,

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Additional information
  • Accuracy of the given observation time?
    • Maximum of 1 minutes difference possible
  • How long time did you see the fireball fly in the sky?
    • Less than a second
  • How the flight of the fireball ended?
    • The fireball disappeared suddenly
  • In which direction the fireball disappeared out of sight?
    • Northeast
  • In which altitude the bolide disappeared from your sight?
    • Low near the horizon
  • Brightness in magnitudes
    • -7
  • Brightness of the fireball
    • A fireball at night, as bright as a crescent moon
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