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Ursa Astronomical Association
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Ursa Astronomical Association

Light pillars - 6.12.2021 at 17.50 - 6.12.2021 at 18.39 Uusikaupunki Observation number 102972

Visibility II / V

As we we're walking along the Bay and crossing the bridge in the Uusikaupunki city center you could see pillars of light above bright artificial lightsources, like lamposts and the factory in the distance, reaching up into the sky. It is currently pretty cold, -13C, and there was extremely light snowfall, light little ice crystals floating down, so my assumption is that the light reflected off these

Additional information
  • The halo was caused by lightsource:
    • Artificial light source
  • Where are the ice crystals of the halo located?
    • Ice crystals
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