TON 618
TON 618 is a very distant and extremely luminous quasar—technically a hyperluminous , broad-absorption-line , radio-loud quasar—located near the border of the constellations Canes Venatici and Coma Berenices . 
<triplet> TON 618 <subj> quasar <obj> instance of <triplet> Canes Venatici <subj> Coma Berenices <obj> shares border with <triplet> Coma Berenices <subj> Canes Venatici <obj> shares border with