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The position of the comet was then [[Right ascension|R.A.]] 22h. 35m., [[declination]] 70° 18′ south.]] '''Union Observatory''', also known as '''Transvaal Observatory''', '''Republic Observatory''' and '''Johannesburg Observatory''' ([[IAU code#078|078]]), is a defunct astronomical [[observatory]] in [[Johannesburg]], [[South Africa]] that operated from 1903 to 1971. It is located on [[Observatory Ridge, Johannesburg|Observatory Ridge]], the city's highest point at 1,808 metres altitude in the suburb [[Observatory, Gauteng|Observatory]].<ref name="ASSA-new" /><ref name="ASSA-archive-full" /> The observatory and its former annex, the {{section link||Leiden Southern Station}}, are known for the discovery of 6,000 [[double star]]s and for [[Proxima Centauri]], made by astronomer [[Robert T. A. Innes|Robert Innes]]. At the observatory, 578 identifications of [[minor planet]] were made, a record number at the time.<ref name="ASSA-new" /> The [[Minor Planet Center]] credits the observatory as the site where 147 minor planets were [[List of minor planet discoverers|discovered]] by astronomers [[Harry Edwin Wood|Harry Wood]], [[Cyril Jackson (astronomer)|Cyril Jackson]], [[Hendrik van Gent]], [[Ernest Leonard Johnson|Ernest Johnson]], [[Ejnar Hertzsprung]], [[Jacobus Albertus Bruwer|Jacobus Bruwer]] and [[Joseph Churms]] ''(see {{section link||List of discovered minor planets}})''.<ref name="MPC-Discoverers" /> == History == The origins of the observatory began when Theodore Reunert of the South African Association for the Advancement of Science petitioned [[Alfred Milner, 1st Viscount Milner|Alfred Milner]] Governor of the [[Transvaal Colony]] on 29 October 1902 for the establishment of a meteorological and astronomical observatory in Johannesburg.<ref name="Hers">{{cite journal |last1=Hers |first1=J. |title=History of the Transvaal Observatory. I |journal=[[Monthly Notes of the Astronomical Society of Southern Africa]] |date=1987 |volume=46 |pages=17-19 |bibcode=1987MNSSA..46...17H |bibcode-access=free |hdl=10520/AJA00248266_2102 |hdl-access=free}}</ref>{{rp|17}} Assistant Colonial Secretary W.H. Moor agreed to the project on 17 December 1902 with the budget increased from £1,350 to £5,629 due to equipment changes.<ref name=Hers/>{{rp|17}} On 1 April 1903, a new Meteorological Department was temporarily established in [[Johannesburg]].<ref name=Hers/>{{rp|17}} A location was sought for the new observatory and the Johannesburg Town Council made a decision on 12 May 1903, located within the municipal boundaries.<ref name=Hers/>{{rp|17}} The land of eight acres, on a ridge west of the Indian War Memorial, was on the northern boundary of the farm ''Doornfontein'', presently part of the suburb [[Observatory, Gauteng|Observatory]] and was given as a gift by the Bezuidenhout family, with a further two acres sold for £500.<ref name=Hers/>{{rp|18}} The land was given only for the use of science and a road, later called Observatory Avenue, was also to be built close to the site.<ref name=Hers/>{{rp|18}} The observatory building was built and the formal opening took place on 17 January 1905 by Governor Milner, but had no astronomical equipment.<ref name=Hers/>{{rp|19}} In 1906 it was lent a Hamberg universal instrument (2 5/8-inch object glass) by Dr [[Oskar Backlund]].<ref name=Hers/>{{rp|19}} In September 1907 a 9-inch Grubb refractor was now used but repolished in 1908.<ref name=Hers/>{{rp|19}} Mr J. Franklin-Adams gifted the observatory a 10-inch triple O.G. Cooke Star-Camera in 1909.<ref name=Hers/>{{rp|19}} J.B. Rissik, Minister for Lands, permitted the purchase of a 26-inch refracting telescope from the [[Grubb Telescope Company]] in 1909.<ref name=Hers/>{{rp|19}} With the formation of the Union of South Africa in 1910, South Africa's two colonial observatories came under the control of the Minister of the Interior.<ref name=Hers/>{{rp|19}} With the removal of the meteorological functions, the observatory was renamed Observatory of the Union of South Africa (Union Observatory) on 1 April 1912.<ref name=Hers/>{{rp|19}} It became the '''Republic Observatory''' in 1961. Well remembered for the quality of its Directors, work done on [[minor planet]]s and the discovery of [[Proxima Centauri]], growing [[light pollution]] problems in Johannesburg led to its closure in 1971–1972. The Observatory's buildings at 18a Gill Street, Observatory, Johannesburg, still exist.<ref name="ASSA-new" /> 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, Northern Cape|Sutherland]] as its outstation. The main Cape telescopes were moved to Sutherland, and the [[Radcliffe Observatory]] at [[Pretoria]] was also dismantled.<ref name="ASSA-new" /> The main-belt asteroid [[1585 Union]], discovered by [[Ernest Leonard Johnson|Ernest Johnson]] in 1947, was named for the Union observatory.<ref name="springer" /> {{col-begin}} {{col-2}} === Name changes === Union Observatory went through a number of name changes:<ref name="ASSA-new" /> * 1903–1909: Transvaal Meteorological Department * 1909–1912: Transvaal Observatory * 1912–1961: Union Observatory * 1961–1971: Republic Observatory {{col-2}} === Directors === Its directors were:<ref name="ASSA-new" /> * 1903–1927: [[Robert T. A. Innes|Robert Innes]] * 1927–1941: [[Harry Edwin Wood]] * 1941–1956: [[Willem Hendrik van den Bos]] * 1957–1965: [[William Stephen Finsen]] * 1965–1971: Jan Hers (1915–2010)<ref name="Jan-Hers" /> {{col-end}} == Leiden Southern Station == The '''Leiden Southern Station''' ({{small|[[IAU code#081|081]]}}) was a collaboration between the Dutch [[Leiden Observatory]] and Union Observatory. From 1938 to 1954 it was an annex to the Union Observatory, and was moved to [[Hartbeespoort]] in 1954 due to light pollution. It operated until 1978.<ref name="Leiden-Southern-Station" /> == Discoveries == === List of discovered minor planets === The Minor Planet Center credits Union Observatory ("Johannesburg"), as the site of 147 [[List of minor planet discoverers|minor planet discoveries]], made by the following list of astronomers: {{Div col|colwidth=22em}} * {{note label|codisc|A|}} [[Harry Edwin Wood]] * {{note label|codisc|B|}} [[Cyril Jackson (astronomer)|Cyril Jackson]] * {{note label|codisc|C|}} [[Hendrik van Gent]] * {{note label|codisc|D|}} [[Ernest Leonard Johnson]] * {{note label|codisc|E|}} [[Ejnar Hertzsprung]] * {{note label|codisc|F|}} [[Jacobus Albertus Bruwer]] * {{note label|codisc|G|}} [[Joseph Churms]] {{div col end}} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 675px; |- | [[715 Transvaalia]] || 22 April 1911|| {{small|{{LoMP|715|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[758 Mancunia]] || 18 May 1912|| {{small|{{LoMP|758|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[790 Pretoria]] || 16 January 1912|| {{small|{{LoMP|790|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[982 Franklina]] || 21 May 1922|| {{small|{{LoMP|982|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1032 Pafuri]] || 30 May 1924|| {{small|{{LoMP|1032|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1096 Reunerta]] || 21 July 1928|| {{small|{{LoMP|1096|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1116 Catriona]] || 5 April 1929|| {{small|{{LoMP|1116|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1132 Hollandia]] || 13 September 1929|| {{small|{{LoMP|1132|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1133 Lugduna]] || 13 September 1929|| {{small|{{LoMP|1133|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1165 Imprinetta]] || 24 April 1930|| {{small|{{LoMP|1165|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1186 Turnera]] || 1 August 1929|| {{small|{{LoMP|1186|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1193 Africa]] || 24 April 1931|| {{small|{{LoMP|1193|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1194 Aletta]] || 13 May 1931|| {{small|{{LoMP|1194|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1195 Orangia]] || 24 May 1931|| {{small|{{LoMP|1195|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1196 Sheba]] || 21 May 1931|| {{small|{{LoMP|1196|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1197 Rhodesia]] || 9 June 1931|| {{small|{{LoMP|1197|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1225 Ariane]] || 23 April 1930|| {{small|{{LoMP|1225|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1226 Golia]] || 22 April 1930|| {{small|{{LoMP|1226|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1241 Dysona]] || 4 March 1932|| {{small|{{LoMP|1241|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1242 Zambesia]] || 28 April 1932|| {{small|{{LoMP|1242|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1243 Pamela]] || 7 May 1932|| {{small|{{LoMP|1243|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1244 Deira]] || 25 May 1932|| {{small|{{LoMP|1244|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1245 Calvinia]] || 26 May 1932|| {{small|{{LoMP|1245|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1246 Chaka]] || 23 July 1932|| {{small|{{LoMP|1246|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1248 Jugurtha]] || 1 September 1932|| {{small|{{LoMP|1248|list}}}}&thinsp;{{ref label|codisc|B|}} |} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 675px; |- | [[1264 Letaba]] || 21 April 1933|| {{small|{{LoMP|1264|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1267 Geertruida]] || 23 April 1930|| {{small|{{LoMP|1267|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1268 Libya]] || 29 April 1930|| {{small|{{LoMP|1268|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1278 Kenya]] || 15 June 1933|| {{small|{{LoMP|1278|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1279 Uganda]] || 15 June 1933|| {{small|{{LoMP|1279|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1282 Utopia]] || 17 August 1933|| {{small|{{LoMP|1282|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1305 Pongola]] || 19 July 1928|| {{small|{{LoMP|1305|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1318 Nerina]] || 24 March 1934|| {{small|{{LoMP|1318|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1319 Disa]] || 19 March 1934|| {{small|{{LoMP|1319|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1320 Impala]] || 13 May 1934|| {{small|{{LoMP|1320|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1321 Majuba]] || 7 May 1934|| {{small|{{LoMP|1321|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1323 Tugela]] || 19 May 1934|| {{small|{{LoMP|1323|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1324 Knysna]] || 15 June 1934|| {{small|{{LoMP|1324|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1325 Inanda]] || 14 July 1934|| {{small|{{LoMP|1325|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1326 Losaka]] || 14 July 1934|| {{small|{{LoMP|1326|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1327 Namaqua]] || 7 September 1934|| {{small|{{LoMP|1327|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1336 Zeelandia]] || 9 September 1934|| {{small|{{LoMP|1336|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1337 Gerarda]] || 9 September 1934|| {{small|{{LoMP|1337|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1342 Brabantia]] || 13 February 1935|| {{small|{{LoMP|1342|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1349 Bechuana]] || 13 June 1934|| {{small|{{LoMP|1349|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1353 Maartje]] || 13 February 1935|| {{small|{{LoMP|1353|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1354 Botha]] || 3 April 1935|| {{small|{{LoMP|1354|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1355 Magoeba]] || 30 April 1935|| {{small|{{LoMP|1355|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1356 Nyanza]] || 3 May 1935|| {{small|{{LoMP|1356|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1357 Khama]] || 2 July 1935|| {{small|{{LoMP|1357|list}}}}&thinsp;{{ref label|codisc|B|}} |} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 675px; |- | [[1358 Gaika]] || 21 July 1935|| {{small|{{LoMP|1358|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1359 Prieska]] || 22 July 1935|| {{small|{{LoMP|1359|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1360 Tarka]] || 22 July 1935|| {{small|{{LoMP|1360|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1362 Griqua]] || 31 July 1935|| {{small|{{LoMP|1362|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1367 Nongoma]] || 3 July 1934|| {{small|{{LoMP|1367|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1368 Numidia]] || 30 April 1935|| {{small|{{LoMP|1368|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1383 Limburgia]] || 9 September 1934|| {{small|{{LoMP|1383|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1384 Kniertje]] || 9 September 1934|| {{small|{{LoMP|1384|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1385 Gelria]] || 24 May 1935|| {{small|{{LoMP|1385|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1389 Onnie]] || 28 September 1935|| {{small|{{LoMP|1389|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1393 Sofala]] || 25 May 1936|| {{small|{{LoMP|1393|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1394 Algoa]] || 12 June 1936|| {{small|{{LoMP|1394|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1396 Outeniqua]] || 9 August 1936|| {{small|{{LoMP|1396|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1397 Umtata]] || 9 August 1936|| {{small|{{LoMP|1397|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1427 Ruvuma]] || 16 May 1937|| {{small|{{LoMP|1427|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1428 Mombasa]] || 5 July 1937|| {{small|{{LoMP|1428|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1429 Pemba]] || 2 July 1937|| {{small|{{LoMP|1429|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1430 Somalia]] || 5 July 1937|| {{small|{{LoMP|1430|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1431 Luanda]] || 29 July 1937|| {{small|{{LoMP|1431|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1432 Ethiopia]] || 1 August 1937|| {{small|{{LoMP|1432|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1456 Saldanha]] || 2 July 1937|| {{small|{{LoMP|1456|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1467 Mashona]] || 30 July 1938|| {{small|{{LoMP|1467|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1468 Zomba]] || 23 July 1938|| {{small|{{LoMP|1468|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1474 Beira]] || 20 August 1935|| {{small|{{LoMP|1474|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1490 Limpopo]] || 14 June 1936|| {{small|{{LoMP|1490|list}}}}&thinsp;{{ref label|codisc|B|}} |} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 675px; |- | [[1505 Koranna]] || 21 April 1939|| {{small|{{LoMP|1505|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1506 Xosa]] || 15 May 1939|| {{small|{{LoMP|1506|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1568 Aisleen]] || 21 August 1946|| {{small|{{LoMP|1568|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1580 Betulia]] || 22 May 1950|| {{small|{{LoMP|1580|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1585 Union]] || 7 September 1947|| {{small|{{LoMP|1585|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1595 Tanga]] || 19 June 1930|| {{small|{{LoMP|1595|list}}}}&thinsp;{{ref label|codisc|B|}}{{ref label|codisc|A|}} |- | [[1607 Mavis]] || 3 September 1950|| {{small|{{LoMP|1607|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1609 Brenda]] || 10 July 1951|| {{small|{{LoMP|1609|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1618 Dawn]] || 5 July 1948|| {{small|{{LoMP|1618|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1623 Vivian]] || 9 August 1948|| {{small|{{LoMP|1623|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1627 Ivar]] || 25 September 1929|| {{small|{{LoMP|1627|list}}}}&thinsp;{{ref label|codisc|E|}} |- | [[1634 Ndola]] || 19 August 1935|| {{small|{{LoMP|1634|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1638 Ruanda]] || 3 May 1935|| {{small|{{LoMP|1638|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1641 Tana]] || 25 July 1935|| {{small|{{LoMP|1641|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1658 Innes]] || 13 July 1953|| {{small|{{LoMP|1658|list}}}}&thinsp;{{ref label|codisc|F|}} |- | [[1660 Wood]] || 7 April 1953|| {{small|{{LoMP|1660|list}}}}&thinsp;{{ref label|codisc|F|}} |- | [[1663 van den Bos]] || 4 August 1926|| {{small|{{LoMP|1663|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[1666 van Gent]] || 22 July 1930|| {{small|{{LoMP|1666|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1667 Pels]] || 16 September 1930|| {{small|{{LoMP|1667|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1670 Minnaert]] || 9 September 1934|| {{small|{{LoMP|1670|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1676 Kariba]] || 15 June 1939|| {{small|{{LoMP|1676|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1686 De Sitter]] || 28 September 1935|| {{small|{{LoMP|1686|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1689 Floris-Jan]] || 16 September 1930|| {{small|{{LoMP|1689|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1693 Hertzsprung]] || 5 May 1935|| {{small|{{LoMP|1693|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1694 Kaiser]] || 29 September 1934|| {{small|{{LoMP|1694|list}}}}&thinsp;{{ref label|codisc|C|}} |} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 675px; |- | [[1701 Okavango]] || 6 July 1953|| {{small|{{LoMP|1701|list}}}}&thinsp;{{ref label|codisc|G|}} |- | [[1702 Kalahari]] || 7 July 1924|| {{small|{{LoMP|1702|list}}}}&thinsp;{{ref label|codisc|E|}} |- | [[1712 Angola]] || 28 May 1935|| {{small|{{LoMP|1712|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1731 Smuts]] || 9 August 1948|| {{small|{{LoMP|1731|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1738 Oosterhoff]] || 16 September 1930|| {{small|{{LoMP|1738|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1752 van Herk]] || 22 July 1930|| {{small|{{LoMP|1752|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1753 Mieke]] || 10 May 1934|| {{small|{{LoMP|1753|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1760 Sandra]] || 10 April 1950|| {{small|{{LoMP|1760|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1784 Benguella]] || 30 June 1935|| {{small|{{LoMP|1784|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1816 Liberia]] || 29 January 1936|| {{small|{{LoMP|1816|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1817 Katanga]] || 20 June 1939|| {{small|{{LoMP|1817|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1819 Laputa]] || 9 August 1948|| {{small|{{LoMP|1819|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1879 Broederstroom]] || 16 October 1935|| {{small|{{LoMP|1879|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1885 Herero]] || 9 August 1948|| {{small|{{LoMP|1885|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1914 Hartbeespoortdam]] || 28 September 1930|| {{small|{{LoMP|1914|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1922 Zulu]] || 25 April 1949|| {{small|{{LoMP|1922|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[1925 Franklin-Adams]] || 9 September 1934|| {{small|{{LoMP|1925|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1945 Wesselink]] || 22 July 1930|| {{small|{{LoMP|1945|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1946 Walraven]] || 8 August 1931|| {{small|{{LoMP|1946|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[1948 Kampala]] || 3 April 1935|| {{small|{{LoMP|1948|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1949 Messina]] || 8 July 1936|| {{small|{{LoMP|1949|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[1986 Plaut]] || 28 September 1935|| {{small|{{LoMP|1986|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2019 van Albada]] || 28 September 1935|| {{small|{{LoMP|2019|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2025 Nortia]] || 6 June 1953|| {{small|{{LoMP|2025|list}}}}&thinsp;{{ref label|codisc|G|}} |- | [[2066 Palala]] || 4 June 1934|| {{small|{{LoMP|2066|list}}}}&thinsp;{{ref label|codisc|B|}} |} {| class="wikitable" style="font-size: 89%; float: left; width: 25em; margin-right: 1em; line-height: 1.65em" !important; height: 595px; |- | [[2193 Jackson]] || 18 May 1926|| {{small|{{LoMP|2193|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[2203 van Rhijn]] || 28 September 1935|| {{small|{{LoMP|2203|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2378 Pannekoek]] || 13 February 1935|| {{small|{{LoMP|2378|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2546 Libitina]] || 23 March 1950|| {{small|{{LoMP|2546|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[2651 Karen]] || 28 August 1949|| {{small|{{LoMP|2651|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[2718 Handley]] || 30 July 1951|| {{small|{{LoMP|2718|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[2801 Huygens]] || 28 September 1935|| {{small|{{LoMP|2801|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2825 Crosby]] || 19 September 1938|| {{small|{{LoMP|2825|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[2829 Bobhope]] || 9 August 1948|| {{small|{{LoMP|2829|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[2831 Stevin]] || 17 September 1930|| {{small|{{LoMP|2831|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[2865 Laurel]] || 31 July 1935|| {{small|{{LoMP|2865|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[2945 Zanstra]] || 28 September 1935|| {{small|{{LoMP|2945|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[3184 Raab]] || 22 August 1949|| {{small|{{LoMP|3184|list}}}}&thinsp;{{ref label|codisc|D|}} |- | [[3284 Niebuhr]] || 13 July 1953|| {{small|{{LoMP|3284|list}}}}&thinsp;{{ref label|codisc|F|}} |- | [[3300 McGlasson]] || 10 July 1928|| {{small|{{LoMP|3300|list}}}}&thinsp;{{ref label|codisc|A|}} |- | [[3768 Monroe]] || 5 September 1937|| {{small|{{LoMP|3768|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[4296 van Woerkom]] || 28 September 1935|| {{small|{{LoMP|4296|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[4359 Berlage]] || 28 September 1935|| {{small|{{LoMP|4359|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[4511 Rembrandt]] || 28 September 1935|| {{small|{{LoMP|4511|list}}}}&thinsp;{{ref label|codisc|C|}} |- | [[5038 Overbeek]] || 31 May 1948|| {{small|{{LoMP|5038|list}}}}&thinsp;{{ref label|codisc|D|}} |- | {{mpl|(5452) 1937 NN}} || 5 July 1937|| {{small|{{LoMP|5452|list}}}}&thinsp;{{ref label|codisc|B|}} |- | [[7102 Neilbone]] || 12 July 1936|| {{small|{{LoMP|7102|list}}}}&thinsp;{{ref label|codisc|B|}} |} {{clear}} == References == {{reflist |refs= <ref name="ASSA-archive-full">{{cite web |title = Republic Observatory (known as Johannesburg or Union Observatory) |work = Astronomical Society of Southern Africa |date = 2016 |url-status = dead |url = http://old.assa.saao.ac.za/html/his-obs-jhb.html |archive-url = https://web.archive.org/web/20160404041300/http://old.assa.saao.ac.za/html/his-obs-jhb.html |archive-date= 4 April 2016 |access-date = 29 December 2016}}</ref> <ref name="ASSA-new">{{cite web |title = Republic Observatory (known as Johannesburg or Union Observatory) |work = Astronomical Society of Southern Africa |date = 2016 |url = http://assa.saao.ac.za/sections/history/observatories/rep_obs/ |access-date = 29 December 2016}}</ref> <ref name="springer">{{cite book |title = Dictionary of Minor Planet Names – (1585) Union |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 125 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_1586 |chapter = (1585) Union }}</ref> <ref name="MPC-Discoverers">{{cite web |title = Minor Planet Discoverers (Alphabetically)c |work = Minor Planet Center |url = http://www.minorplanetcenter.net/iau/lists/MPDiscsAlpha.html |date = 4 September 2016 |access-date = 29 December 2016}}</ref> <ref name="Jan-Hers">{{cite web |title = Jan Hers |work = IAU – International Astronomical Union, individual members |url = http://assa.saao.ac.za/sections/history/observatories/rep_obs/ |access-date = 29 December 2016}}</ref> <ref name="Leiden-Southern-Station">{{cite web |title = Leiden Southern Station (Hartebeespoort) |work = Astronomical Society of Southern Africa |date = 2016 |url-status = dead |url = http://old.assa.saao.ac.za/html/his-obs-leiden.html |archive-url = https://web.archive.org/web/20160827080816/http://old.assa.saao.ac.za/html/his-obs-leiden.html |archive-date= 27 August 2016 |access-date = 29 December 2016}}</ref> }}  {{refbegin}} * {{cite book|last=Vermeulen|first=Dirk J. |title=Living Amongst the Stars at the Johannesburg Observatory |url=https://books.google.com/books?id=vtQnAQAAIAAJ|year=2006|publisher=Chris van Rensburg|isbn=978-0-86846-107-6}} * {{cite journal|title=The Union Observatory, Johannesburg |journal=Nature |volume=147|issue=3738 |year=1941|pages=772|issn=0028-0836|doi=10.1038/147772c0|bibcode = 1941Natur.147S.772. |doi-access=free}} {{refend}} ==External links== * {{webarchive |url=https://web.archive.org/web/20040920161841/http://www.saao.ac.za/assa/html/his-pl-obs_-_republic.html |date=September 20, 2004 |title=Republic Observatory, Popularly known as Johannesburg or Union Observatory }} * {{webarchive |url=https://web.archive.org/web/20080803124314/http://www.saao.ac.za/assa/html/assa_johannesburg_centre.html |date=August 3, 2008 |title=Johannesburg Centre }} {{Greater Johannesburg|hist}} [[Category:Astronomical observatories in South Africa]] [[Category:Buildings and structures in Johannesburg]] [[Category:Defunct astronomical observatories]] </textarea><div class="templatesUsed"><div class="mw-templatesUsedExplanation"><p><span id="templatesused">Pages transcluded onto the current version of this page<span class="posteditwindowhelplinks"> (<a href="/wiki/Help:Transclusion" title="Help:Transclusion">help</a>)</span>:</span> </p></div><ul> <li><a href="/wiki/Template:Citation/styles.css" 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