Looking towards the sun there appeared to be a form of rainbow completely encircling it. This appeared at about 3.30 in the afternoon.
No interactions present.
Two useful web sites for these types of phenomenon are
Atmospheric Optics, http://www.atoptics.co.uk/
and SpaceWeather, http://www.spaceweather.com/
A great photo. Thanks!
Lat/Lng: 57.722371430036, -5.6870019400353
OS grid ref: NG805762