Sunspot Region, imaged in CaK light, from Hodgson, Manitoba

Sunspot Region, imaged in CaK light, from Hodgson, Manitoba, a photo by yu244720 on Flickr.

Via Flickr:
This is an image of the Sun's surface, captured in the near Ultraviolet Region of the Visible Spectrum, using a Point Grey Research camera, and a Lunt CaK solarscope. The raw video file was then processed using Registax 6.0, and touched up using Adobe CS6.