Auroras, noctilucent clouds
Taken by Juha Ojanperä on August 16, 2015 @
Parainen, Finland
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Camera Used: Canon Canon EOS 1100D
Exposure Time: 25/1
Aperture: f/4.0
ISO: 800
Date Taken: 2015:08:17 21:00:33
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Details:
During the night between 15th and 16th of August I drove to Parainen, my dark sky -site near Turku in order to observe deep sky objects visually with my large dobson. When I arrived at the site, a surprising sight was welcoming me in the northern sky, northern lights! This was quite exceptional, as northern lighs aren’t that regular sight in southern part of Finland, and especially not in August!
The display of northern lights was dominated by an aurora arc/belt in northern sky. At irregular intervals, the belt activated and got a bit brighter, also some fine aurora rays were present with the belt! The maximum altitude of the northern lights was about 30 degrees.
The display became even more unusual, when also another phenomenon of high atmosphere appeared in the sky with the northern lights, noctilucent clouds! The NLC’s were at very low altitude in the northern horizon, but they were bright and clearly visible! I cannot remember having observed northern lights together with noctilucent clouds ever bofere this co-appearance of these phenomenae!
Photographer's website:
http://aldebaran.kuvat.fi/kuvat/Light+and+colour+in+the+sky+and+landscape/Northern+lights/Aurora+borealis+with+noctilucent+clouds+15.-16.8.2015/
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