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Ursa Astronomical Association
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Ursa Astronomical Association

Active aurora band - 17.8.2022 at 23.00 - 18.8.2022 at 02.30 Kouvola Observation number 109926

Visibility III / V

Tero Sipinen, Ursa (Etelä-Suomi)

The forecasts promised even more beauty, the oval also glowed red a little after ten in the evening. Some kind of life-giving photography equipment was deposited. Attached are a couple of timelapse clips. During the first one (from 11:00 p.m. to 11:17 p.m.) I was outside watching the fire live when I noticed to my horror that the lights were turned on inside. The camera was shooting in the immediate vicinity of the kitchen through the window glass. That's it then. The lights weren't very impressive either, so at first I was already going to end the night filming for that, but a little later I noticed that the curls had slightly better-looking values. I left the camera to wait for the scheduled start of the shooting anyway. In the second clip (2.05-2.30), the lights are already in the sky when the shooting starts. There were also clouds in the sky, which covered the view half an hour after the start of the timing. The camera filmed the morning until dawn, but at no stage did the tiny cloud gaps happen to be on the same line as possible greenery.

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Additional information
  • Aurora brightness
    • Dim auroras
  • Observed aurora forms
    • Band info

      Bands are usually narrower, more twisty at the bottom, brighter, and more active than arches. Bands usually develop from arches.

      Bands can form J and U shapes, sometimes even full spirals. The corona can also arise from bands. Bands are a fairly common form of aurora.

      Aurora band. Photo by Merja Ruotsalainen.

      Aurora band. Photo by Matias Takala.

      Aurora band. Photo by Lea Rahtu-Korpela.

      Aurora bands. Photo by Lauri Koivuluoma.

      Aurora band. Photo by Matias Takala.

  • 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.

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