Joseph Gledhill
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Joseph Gledhill (November 17, 1837 – March 20, 1906) was a British astronomer. He worked as an assistant at the Bermerside Observatory in Halifax, West Yorkshire, England.
In 1879 he co-authored the book A Handbook of Double Stars with Edward Crossley and Rev. James Maurice Wilson (who was later Canon of Worcester).
A crater on Mars is named in his honour.