Union Observatory

Johannesburg ObservatoryJohannesburg Obs.JohannesburgLeiden Southern StationRepublic ObservatoryJohannesburg (UO)UO
Union Observatory also known as Johannesburg Observatory (078) is a defunct astronomical observatory in Johannesburg, South Africa that was operated between 1903 and 1971.wikipedia
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List of observatory codes

Pla D'ArguinesFountain HillsDauban
Union Observatory also known as Johannesburg Observatory (078) is a defunct astronomical observatory in Johannesburg, South Africa that was operated between 1903 and 1971.

Harry Edwin Wood

H. E. WoodHarry WoodH.E. Wood
The Minor Planet Center credits the observatory as the site where 147 minor planets were discovered by astronomers Harry Wood, Cyril Jackson, Hendrik van Gent, Ernest Johnson, Ejnar Hertzsprung, Jacobus Bruwer and Joseph Churms (see ).
Harry Edwin Wood (3 February 1881 – 27 February 1946) was an English astronomer, director of the Union Observatory in Johannesburg, and discoverer of minor planets.

Cyril Jackson (astronomer)

Cyril JacksonC. JacksonCyril V. Jackson
The Minor Planet Center credits the observatory as the site where 147 minor planets were discovered by astronomers Harry Wood, Cyril Jackson, Hendrik van Gent, Ernest Johnson, Ejnar Hertzsprung, Jacobus Bruwer and Joseph Churms (see ).
He worked at Union Observatory in Johannesburg from 1928 to 1947 (IAU code 078, previously known as Transvaal Observatory and later known as Republic Observatory).

Ernest Leonard Johnson

Ernest JohnsonE. L. JohnsonJohnson
The Minor Planet Center credits the observatory as the site where 147 minor planets were discovered by astronomers Harry Wood, Cyril Jackson, Hendrik van Gent, Ernest Johnson, Ejnar Hertzsprung, Jacobus Bruwer and Joseph Churms (see ). The main-belt asteroid 1585 Union, discovered by Ernest Johnson in 1947, was named for the Union observatory.
Ernest Leonard Johnson (1891 - 1977) was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa.

Proxima Centauri

Alpha Centauri Cits host starProxima
The observatory and its former annex, the, are known for the discovery of 6,000 double stars and for Proxima Centauri, made by astronomer Robert Innes.
In 1915, the Scottish astronomer Robert Innes, Director of the Union Observatory in Johannesburg, South Africa, discovered a star that had the same proper motion as Alpha Centauri.

Robert T. A. Innes

Robert InnesRobert Thorburn Ayton InnesR. T. A. Innes
The observatory and its former annex, the, are known for the discovery of 6,000 double stars and for Proxima Centauri, made by astronomer Robert Innes.
He was the founding director of a meteorological observatory in Johannesburg, which was later converted to an astronomical observatory and renamed to Union Observatory.

Hendrik van Gent

H. van Gentvan Gent
The Minor Planet Center credits the observatory as the site where 147 minor planets were discovered by astronomers Harry Wood, Cyril Jackson, Hendrik van Gent, Ernest Johnson, Ejnar Hertzsprung, Jacobus Bruwer and Joseph Churms (see ).
He moved to South Africa in 1928 in order to observe the southern sky at the Leiden Southern Station and the Union Observatory in Johannesburg.

Willem Hendrik van den Bos

W.H. van den Bos (1960)Willem H. van den Bos
Willem Hendrik van den Bos (25 September 1896 – 30 March 1974) was a Dutch astronomer who worked at the Union Observatory in South Africa and became its director in 1941.

1585 Union

The main-belt asteroid 1585 Union, discovered by Ernest Johnson in 1947, was named for the Union observatory.
It was discovered on 7 September 1947, by South African astronomer Ernest Johnson at the Union Observatory in Johannesburg, South Africa.

Observatory, Gauteng

Observatory
It is located on Observatory Ridge, the city's highest point at 1,808 metres altitude in the suburb Observatory.
It is named for the Union Observatory established in early 1903 (today's Johannesburg Observatory), sited on Observatory Ridge, the city's highest point.

South African Astronomical Observatory

SAAOCape ObservatoryRadcliffe Observatory, Pretoria
At that time the South African government decided to amalgamate all astronomical research into one body, which later became known as the South African Astronomical Observatory (SAAO); it has its headquarters in Cape Town and has Sutherland as its outstation.
The Republic Observatory, Johannesburg, was merged with the much older Royal Observatory, Cape of Good Hope in January 1972 to form the South African Astronomical Observatory.

1032 Pafuri

It was discovered on 30 May 1924, by English astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa.

William Stephen Finsen

W. S. FinsenW.S. Finsen
He was the final director of Union Observatory in South Africa from 1957 to 1965 (it was renamed Republic Observatory in 1961).

1133 Lugduna

It was discovered on 13 September 1929, by Dutch astronomer Hendrik van Gent at the Leiden Southern Station annex to the Union Observatory in Johannesburg, South Africa.

1116 Catriona

It was discovered on 5 April 1929, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.

1186 Turnera

It was discovered on 1 August 1929, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.

1132 Hollandia

It was discovered on 13 September 1929, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa.

1165 Imprinetta

It was discovered on 24 April 1930, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa.

1096 Reunerta

It was discovered on 21 July 1928, by astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa.

1197 Rhodesia

It was discovered on 9 June 1931, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.

1241 Dysona

It was discovered on 4 March 1932, by English astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa.

1193 Africa

It was discovered by South African astronomer Cyril Jackson at Johannesburg Observatory on 24 April 1931.

1194 Aletta

It was discovered on 13 May 1931, by South African astronomer Cyril Jackson at Johannesburg Observatory in South Africa.

1226 Golia

Golia
It was discovered on 22 April 1930, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa.

1195 Orangia

It was discovered on 24 May 1931, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg, South Africa.