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30 April 2017

In September 2016 a few CAG members were out after dark photographing the night sky. They spotted an unusual feature believed at the time to be part of an ongoing auroral display.

The above image of this unusual feature was taken by Stewart Watt at Casteltown Harbour.

The sighting led to much debate afterwards, with experts in the BAA and further afield being consulted. There have since been measurements taken of this hot ribbon of gas by ESA SWARM satellites, but it's unknown origin has led to it being unofficially referred to as Steve (a name given to an unknown feature in the movie "Over The Hedge").

A scientific term to match the new name of Steve has since been suggested - Strong Thermal Emission Velocity Enhancement. Steve is certainly easier to remember!


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