Equinox Aurora
Taken by Juan Carlos Casado on March 18, 2023 @
Kaunispää, Finnish Lapland
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Camera Used: Canon Canon EOS 6D
Exposure Time: 10/1
Aperture: f/2.8
ISO: 3200
Date Taken: 2023:03:18 03:09:49
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Details:
This 250° wide panoramic image was taken in the early morning of 18 March 2023, almost exactly at the vernal equinox.
The image is obtained by capturing several images quickly to compose a panorama with a modified reflex camera (full-spectrum), which allows the reddish auroras to be captured clearly.
The place is emblematic, the top of the Kausnispää hill in Finnish Lapland. On the right can be seen the observation tower used by geographers to draw the first maps of the region. The cold was intense, with wind chill close to -30°C.
Although geomagnetic activity was low (Kp<1), and no auroras were expected, faint greenish curtains of light began to appear to the north.
I knew that statistically March is the month with the most aurora records, thanks to the Russell-McPherron effect, which even at low predicted levels can offer an unexpected auroral view.
In a few minutes the aurora display expanded, with a multitude of shapes, intermingling green and red colours and flashy movements. The auroras reached the top of the sky covering the entire northern horizon in all sorts of shapes and sizes, a spectacle that lasted for several minutes.
Photographer's website:
https://www.starryearth.com
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