The Sirius Setting stone (the one close to the center of the photograph) in its place at the Sunwheel, relative the the West and Winter Solstice Sunset stones. This stone and the Aldebaran Setting stone are both located outside of the main circle of standing stones, to distinguish them from the Sun, Moon, and cardinal direction stones.
	A project conceived by Dr. Judith S. Young Professor of Astronomy, University of Massachusetts, Amherst e-mail: Judith Young