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Ursa Astronomical Association
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Ursa Astronomical Association

Auroras seen through breaks in the clouds - 27.9.2019 at 22.00 - 28.9.2019 at 00.25 Taipalsaari Observation number 85905

Visibility II / V

I left the coffin a little late and annoyed the arc of northern lights visible almost all the way (on the way from Lappeenranta to Taipalsaari) because when we got to Sarviniemi, the northern sky was almost in a cloud. Sometimes it would not be worthwhile to go further out to sea to fish ..

I photographed for a couple of hours, hoping the sky would clear up, because then that place I chose is the most amazing for northern lights photography. So dark enough.

I photographed in slightly different directions and how something was starting to take shape among the clouds. Was it STEVE? And yes, it was STEVE! It would have been an amazing sight if it hadn’t been very shy and hidden behind the clouds.

A couple of hours lingered waiting for the sky to open, but no, I had to settle for bright northern lights from a cloud cloud. I left for home a little after midnight and luckily I decided to stop at my second permanent place in Lappeenranta, but that is another story.

More similar observations
Additional information
  • Aurora brightness
    • Bright auroras
  • Observed aurora forms
    • STEVE-arc info

      STEVE (Strong Thermal Emission Velocity Enhancement), Pink, radial aurora-like arc  . The STEVE arc is seen clearly separated from the main aurora arc of the northern sky. It forms a long and narrow west-east aligned, usually dim form. It does not belong to traditional auroras as a phenomenon, but may appear same time with them. Occasionally there may also be a green, "toothed" band called ”picket fence” at the bottom of Steve.  

      Riku Talvio, STEVE
      Photo by: Riku Talvio

    • Arc info

      ARC The arcs are wider than the bands and do not fold as strongly. The arcs are normally neither very bright nor active.

      The arc is probably the most common form of aurora. When aurora show is a calm arc in the low northern sky it often doesn’t evolve to anything more during night. In more active shows the arc is often the first form to appear and the last to disappear.

      The lower edge of the arc is usually sharp but the upper edge can gradually blend into the background sky. As activity increases rays and folds normally develop, and the arcs turn gradually into bands.

      An aurora arc runs across the picture. Vertical shapes are rays. Photo by Atacan Ergin.

      Aurora Arc. Photo by Mauri Korpi.

      Aurora Arc. Photo by Anna-Liisa Sarajärvi.

      Aurora Arc. Photo by Matti Asumalahti.

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