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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Active aurora band - 18.9.2023 at 22.48 Muhos Observation number 118823

Visibility III / V

Last night was the most spectacular aurora borealis of this season. Unfortunately, the cloud ferry came in front already at midnight here in the direction of Oulu. That blue color is rarely seen in those fires.

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Additional information
  • Aurora brightness
    • Bright auroras
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