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© Kari A. Kuure / Tampereen Ursa ry.
Credit Kari A. Kuure / Tampereen Ursa ry.

20211019041343081_Camera 01_661320311

Kari A. Kuure

This northern lights image was recorded with the Astronomical Society's Tampere Ursa northern lights camera, which videoed around the clock in a northerly direction. The lake visible in the north is called Näsijärvi and on its southern shore is the city center of Tampere. Tampere's Ursa Observatory is located only a couple of kilometers from the city center, but fortunately the view to the north opens over Lake Näsijärvi and the light pollution is much weaker than, for example, in the west and south. The time stamp made by the camera on the image is UTC time. Finnish summer time is UTC + 3 h, so the picture was taken from about midnight to the darkest time of the night. The night-time sensitivity of the camcorder is based on a long shutter speed and multi-frame stacking (SN ratio improves) into a single image. For this reason, northern lights may appear slightly blurred in the images due to their rapid movement. But better a slightly foggy picture than no picture at all.


Kari A. Kuure / Tampereen Ursa ry.


© Kari A. Kuure / Tampereen Ursa ry.
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Northern lights in Finland

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