Radcliffe Observatory

Observatory in Oxford, England


title: "Radcliffe Observatory" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["1772-establishments-in-england", "astronomical-observatories-in-england", "astronomical-observatories-in-south-africa", "buildings-and-structures-of-the-university-of-oxford", "departments-of-the-university-of-oxford", "grade-i-listed-buildings-in-oxford", "grade-i-listed-scientific-buildings", "green-templeton-college,-oxford", "buildings-and-structures-completed-in-1794", "towers-completed-in-1794", "towers-in-oxford", "james-wyatt-buildings", "defunct-astronomical-observatories", "university-and-college-astronomical-observatories", "john-radcliffe-(oxford)"] description: "Observatory in Oxford, England" topic_path: "geography/united-kingdom" source: "https://en.wikipedia.org/wiki/Radcliffe_Observatory" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Observatory in Oxford, England ::

::data[format=table title="Infobox building"]

FieldValue
nameRadcliffe Observatory
imageRadcliffe Observatory Oxford 2023 02.jpg
captionSouth front of the observatory
map_typeOxford (central)
building_typeFormer observatory
architectural_styleNeoclassical
locationWoodstock Road, Oxford
ownerGreen Templeton College
coordinates
start_date
completion_date
architectHenry Keene and James Wyatt
designationsListed Grade I
::

|name = Radcliffe Observatory |former_names = |alternate_names = |image = Radcliffe Observatory Oxford 2023 02.jpg |caption = South front of the observatory |map_type = Oxford (central) |altitude = |building_type = Former observatory |architectural_style = Neoclassical |structural_system = |cost = |ren_cost = |location = Woodstock Road, Oxford |owner = Green Templeton College |coordinates = |start_date = |completion_date = |inauguration_date = |renovation_date = |height = |diameter = |other_dimensions = |floor_count = |floor_area = |main_contractor = |architect = Henry Keene and James Wyatt |architecture_firm = |structural_engineer = |services_engineer = |civil_engineer = |other_designers = |quantity_surveyor = |awards = |ren_architect = |ren_firm = |ren_str_engineer = |ren_serv_engineer = |ren_civ_engineer = |ren_oth_designers = |ren_qty_surveyor = |ren_awards = |references = |designations = Listed Grade I

Radcliffe Observatory was the astronomical observatory of the University of Oxford from 1773 until 1934, when the Radcliffe Trustees sold it and built a new observatory in Pretoria, South Africa. It is a Grade I listed building. Today, the building forms part of Green Templeton College of the University of Oxford.

History

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/bd/Top_of_Radcliffe_Observatory,_Green_Templeton_College,_Oxford.JPG" caption="Atlas]] on top of the observatory"] ::

The observatory was founded and named after the physician John Radcliffe (1650–1714) by the Radcliffe Trustees. It was built on the suggestion of the astronomer Thomas Hornsby, who was occupying the Savilian Chair of Astronomy, following his observation of the notable transit of Venus across the Sun's disc in 1769 from a room in the nearby Radcliffe Infirmary.

The observatory building, at a site on Woodstock Road, commenced to designs by Henry Keene in 1772 and was completed in 1794 to the designs of James Wyatt. It has a prominent octagonal tower based on the Tower of the Winds in Athens, topped with a statue by John Bacon of Atlas holding up the World.

Until 1839, the Savilian Chair of Astronomy was responsible for the observatory. At this date the appointment of George Henry Sacheverell Johnson – an astronomer with no observational experience – caused the creation of the new role of Radcliffe Observer.

PretoriaBecause of the viewing conditions, weather, urban development and light pollution at Oxford, the observatory was moved to South Africa in 1939. Eventually that site, in Pretoria, also became untenable and the facility was combined with others into the South African Astronomical Observatory (SAAO) in the 1970s.

The building is now used by Green Templeton College and is a centrepiece of the college. The original instruments are now in the Museum of the History of Science, Oxford, except for the Radcliffe 18/24-inch Twin Refractor telescope, which was transferred to the University of London Observatory.

::figure[src="https://upload.wikimedia.org/wikipedia/commons/0/0e/Radcliffe_telescope,_University_of_London_Observatory.jpg" caption="The Radcliffe 18/24 inch twin refractor telescope was moved to the [[University of London Observatory]] when the Radcliffe Observatory closed."] ::

Radcliffe Observers

The following have been Radcliffe Observers:

Gallery

::figure[src="https://upload.wikimedia.org/wikipedia/commons/6/61/Green_Templeton_College_in_Snow_2009.JPG" caption="Panoramic view of the observatory in the snow"] ::

References

References

  1. (1988). "[[The Encyclopaedia of Oxford]]". [[Macmillan Publishers.
  2. (1938). "Radcliffe Observatory, Pretoria". Nature.
  3. {{National Heritage List for England
  4. "The Radcliffe Observatory". Green Templeton College.

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

1772-establishments-in-englandastronomical-observatories-in-englandastronomical-observatories-in-south-africabuildings-and-structures-of-the-university-of-oxforddepartments-of-the-university-of-oxfordgrade-i-listed-buildings-in-oxfordgrade-i-listed-scientific-buildingsgreen-templeton-college,-oxfordbuildings-and-structures-completed-in-1794towers-completed-in-1794towers-in-oxfordjames-wyatt-buildingsdefunct-astronomical-observatoriesuniversity-and-college-astronomical-observatoriesjohn-radcliffe-(oxford)