Sauron has an Eye in the sky...

All together now: "One Ring to rule them all, One Ring to find them, One Ring to bring them all, and in the darkness bind them..."

That's actually the star Fomalhaut at the center of the picture, 25 light-years from our solar system, as seen through the Hubble telescope. NewScientistSpace.com has more about this cosmic "Lord of the Ring".