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

Ursa Astronomical Association

A fireball at night, as bright as a cresent moon - 9.1.2018 at 08.08 Helsinki, Pukinmäki Observation number 69420

Visibility IV / V

Esko Lyytinen, Ursa (Etelä-Suomi)

I didn’t see, I got my fireball camera through a tree branch.

The exact time was 08.07.25 and the direction lost 348, at an altitude of 2.1 (degrees).

It is estimated that it flew in the wigs of the Gulf of Bothnia, ie clearly north of the Kvarken with an entry speed of more than 30 km / s. Something "crumbs" may have come down all the way to the sea. It came pretty sharply from the east side.



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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?
    • 1 second
  • How the flight of the fireball ended?
    • The fireball disappeared behind an obstacle (trees, buildings or clouds)
  • In which direction the fireball disappeared out of sight?
    • North
  • In which altitude the bolide disappeared from your sight?
    • Low near the horizon
  • Brightness of the fireball
    • A fireball at night, as bright as a crescent moon
Technical information

The image is a 2-minute Peak-hold image with a sensitive Watec camcorder. Except that it was behind a tree, the camera window was slightly frosted and the sky wasn't completely cloudless.

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