Tonight's sunset behind the McMath Solar Telescope atop Kitt Peak. 800mm lens ISO 400 1/200 sec @ F/7.1 through Baader Solar Filter. This image was captured from 12.2 miles away from the mountain top where the telescope resides.
The video below was obtained from the same location using a Questar 3.5 and a Canon 5D Mark II in video mode at 1080p. The video is sped up by a factor of 2 for brevity.