ATLAS · OBSERVATORIES · SOUTH AFRICA
Observatories in South Africa
South Africa has 29 observatories on the map. 27 watch the night sky. 2 watch something else — the Sun, the radio sky, particles, Earth’s field, or a volcano. The earliest was founded 1820. Below: how they split by what they watch, and the country’s notable sites. From Wikidata, snapshot 2026-06-23.
OBSERVATORIES29
OLDEST FOUNDED1820
NOT WATCHING STARS2
By what they watch
Astronomical27 · 93%
Geo & magnetic2 · 7%
Notable observatories in South Africa
A representative mix — the specialised sciences first, then the earliest sites by founding year.
Geo/magneticHermanus Magnetic Observatory
Geo/magneticHartebeesthoek Magnetic Observatory
AstronomicalSouth African Astronomical Observatory1820
AstronomicalBoyden Observatory1889
AstronomicalUnion Observatory1903
AstronomicalYale-Columbia Station1925
AstronomicalHartebeesthoek Radio Astronomy Observatory1961
AstronomicalNatal Observatory
AstronomicalLamont–Hussey Observatory
AstronomicalLeiden Southern Station
AstronomicalRadcliffe Observatory
AstronomicalSedgefield observatory
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