I was driving through Schoolcraft, Michigan (very southwest Michigan) and saw the way the sunset was shining on the train tracks so I turned around and parked so I could a few photos.
I took this with my iPhone but I might have used the Camera+ app, which allows for a little easier focusing on one area when determining the light source from another. But I don’t know how to tell if it was from Camera+ once it gets into my camera roll (it doesn’t seem to be in the EXIF photo info).