<a href="https://en.wikipedia.org/wiki/Charon_(moon)" id="mwARs" rel="mw:WikiLink" title="Charon (moon)">Charon</a>, the first of Pluto's satellites to be discovered, was first seen at the <a href="https://en.wikipedia.org/wiki/United_States_Naval_Observatory" id="mwARw" rel="mw:WikiLink" title="United States Naval Observatory">United States Naval Observatory</a> by <a href="https://en.wikipedia.org/wiki/James_W._Christy" id="mwAR0" rel="mw:WikiLink" title="James W. Christy">James W. Christy</a>.