STEVE over Star Party
Taken by Alan Dyer on August 31, 2019 @
Cypress Hills, SK
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Camera Used: SONY ILCE-7M3
Exposure Time: 25/1
Aperture: f/1.0
ISO: 3200
Date Taken: 2019:09:01 16:51:20
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Details:
We saw a fragment of a STEVE auroral arc over the main observing field at the Saskatchewan Summer Star Party in Cypress Hills, on August 31, 2019, just before midnight CST.
The arc became more sharply defined over the previous 15 minutes, but then faded shortly after this, though clouds were also moving in from the south.
This was seen through a fortunate break in the clouds this night. There was a general wash of a diffuse arc of normal green aurora across the north as well. The Big Dipper is at centre. Kp Index was 5 this this, during a geomagnetic storm.
This was the second night in a row STEVE was sighted from our area in western Canada.
I shot this from the Meadows Campground at the Cypress Hills Interprovincial Park, Centre Block, south of Maple Creek.
This is a 25-second exposure with the 15mm Laowa lens at f/2 and Sony a7III at ISO 3200.
Photographer's website:
https://www.amazingsky.com
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