"35 Years Later: Charon is visible as a ""bump"" moving around Pluto in the moon's discovery images (right), taken with the 1.55-meter (61-inch) Kaj Strand Astrometric Reflector at the U.S. Naval Observatory's Flagstaff Station in 1978. More than three decades later, Charon is visible for the first time in pictures (left) taken by the Pluto-bound New Horizons spacecraft."