William Frederick Denning

William Frederick Denning (November 25 1848June 9 1931) was a British astronomer.

He devoted a great deal of time to searching for comets, and discovered several including the periodic comet 72P/Denning-Fujikawa and the lost comet D/1894 F1. The latter was the last comet discovered on British soil until the discoveries of George Alcock.

He also studied meteors and novas, discovering Nova Cygni 1920 (V476 Cyg).

He won the Gold Medal of the Royal Astronomical Society in 1898.

Craters on Mars and the Moon are named in his honor.

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