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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