Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Active aurora band - 23.2.2023 at 23.30 - 24.2.2023 at 02.30 Pori, Anttoora Observation number 112333

Visibility III / V

Petteri Ahonen, Porin Karhunvartijat

After a long cloudy period, I was able to enjoy again the wonderful spectacle offered by nature in Pori. I last described the northern lights on Christmas Eve and now right after ❤️☺️

More similar observations
Additional information
  • Aurora brightness
    • Very bright auroras
  • Colors with unaided eye and other features
    • Green auroras info

      Green, seen with the naked eye, is one the most common colors of the aurora. The green color is derived from atomic oxygen.

      Green auroras. Lea Rahtu-Korpela.

      Green auroras. Photo by Juha Ojanperä.

Technical information

Nikon d7200, sigma 17-50 2.8, 17mm, f2.8, iso1600 and 4s

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