Cyril V. Jackson
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Cyril V. Jackson (December 5 1903 – February 1988) was a South African astronomer.
He was born in Yorkshire in England, but his father emigrated to South Africa in 1911.
He worked at Union Observatory in Johannesburg from 1928 to 1947 (which was previously known as Transvaal Observatory and later known as Republic Observatory). After that he was director of Yale's Columbia Southern Observatory in Johannesburg. Due to light pollution that observatory had to shut down in 1951 and he supervised the move of its instrument to Mount Stromlo Observatory in Australia (this Yale-Columbia telescope was destroyed in the January 18 2003 firestorm that devastated Mount Stromlo).
He worked at Mount Stromlo from 1957 to 1963. In 1963, Yale reopened its Columbia Southern Observatory at El Leoncito, Argentina, and he served as its director there until 1966, when he retired.
He discovered a number of comets, including the periodic comets 47P/Ashbrook-Jackson and 58P/Jackson-Neujmin.
He also discovered a number of asteroids in the earlier part of his career at Union Observatory.