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How many southern stars did Edmond Halley record during his voyage to St. Helena?
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Edmond Halley
Edmond Halley, detail of an oil painting by Richard Phillips, c. 1720; in the National Portrait Gallery, London.
During his voyage to the island of St. Helena between 1676 and 1678, Edmond Halley recorded the celestial longitudes and latitudes of 341 southern stars.1