[f. TELESCOPE + -IST.] One skilled in using a telescope; one who makes telescopic observations.

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1870.  Proctor, Other Worlds, Pref. 6. One of the most surprising phenomena ever witnessed by the telescopist.

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1878.  Newcomb, Pop. Astron., III. iii. 291. The earlier telescopists … scrutinized the planets very carefully.

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