Double quasar

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See also the Twin Quasar (Q0957+561A/B)

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When two quasars are so nearly in the same direction as seen from Earth that they appear to be a single quasar to the naked eye but may be separated by the use of telescopes, they are referred to as a double quasar. These are two different quasars, and not the same quasar that is gravitationally lensed.