Visibility III / V
As the Nurmijärvi magnetometer dipped, I snapped pictures every few minutes in the hope that at the right moment there would be at least a little opening in the stuffy sky. In one picture, the rear screen had bright, oddly shaped color spots level with the tops of the trees (approx. 5 degrees). The tattered patches were holes in the clouds. I checked the Swedish Abisko camera to be sure. The sky was completely overcast there, but in the same minutes the dense Cloud Cover shone bright green. In the recordings of other sky cameras, you could also find bright flares at least after half past two.
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