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Reflecting telescopes
Name Effective aperture Type Location Operator First light Comments
Rosse Six Foot Telescope (reconstructed) [1] 72 in (183 cm) Newtonian reflector Birr, Leinster, Ireland Birr Castle 1999 Largest optical telescope in the British Isles
The 38-inch Congo Schmidt [2] 38 in (96.5 cm) Reflector Herstmonceux, East Sussex, England The Observatory Science Centre 1960 Largest optical telescope in UK, but never used due to flawed optics
James Gregory Telescope [3] 37 in (94.0 cm) Cassegrain reflector St Andrews, Fife, Scotland University of St Andrews 1962 Largest operational optical telescope in the UK. Operated at 35".
36-Inch Telescope [4] 36 in (91.4 cm) Reflector Cambridge University of Cambridge 1955 Largest optical telescope still in use in England
The 36-inch Yapp Reflector [5] 36 in (91.4 cm) Reflector Herstmonceux, East Sussex, England The Observatory Science Centre 1932
The 36-inch telescope [6] 36 in (91.4 cm) Reflector Edinburgh, Scotland Royal Observatory Edinburgh 1930 No longer operational
The 34-inch Hewitt Camera [7] 34 in (86.4 cm) Reflector Herstmonceux, East Sussex, England The Observatory Science Centre 1950s
Perren Telescope [8] 31.5 in (80.0 cm) Ritchey–Chrétien reflector Mill Hill, London, England University College London 2019
John Wall refractor [9] 30 in (76.2 cm) Refractor Hanwell, Middlesex, England Hanwell Community Observatory 1999 Largest refractor in the British Isles
30" Dobsonian [10] 30 in (76.2 cm) Reflector Todmorden, West Yorkshire, England The Astronomy Centre 1986
The Thompson 30-inch Reflector [11] 30 in (76.2 cm) Reflector Herstmonceux, East Sussex, England The Observatory Science Centre 1896
Greenwich 28 inch refractor [12] 28 in (71.1 cm) Refractor Greenwich, London, England Royal Observatory, Greenwich 1893
Moses Holden Telescope [13] 27.6 in (70.1 cm) Reflector Preston, Lancashire, England University of Central Lancashire 2015
The Thompson 26-inch Refractor [14] 26 in (66.0 cm) Refractor Herstmonceux, East Sussex, England The Observatory Science Centre 1897
24 / 17" Schmidt Camera [15] 24 in (61.0 cm) Reflector Knighton, Powys, Wales The Spaceguard Centre 1950 Largest optical telescope in Wales
Thornton Telescope [16] 24 in (61.0 cm) Reflector Keele, Staffordshire, England Keele University 1975
24" Telescope [17] 24 in (61.0 cm) Reflector Bayfordbury, Hertfordshire, England University of Hertfordshire 2021
  1. ^ https://birrcastle.com/telescope-astronomy/
  2. ^ https://www.the-observatory.org/dome-f
  3. ^ https://observatory.wp.st-andrews.ac.uk/jgt/
  4. ^ https://www.ast.cam.ac.uk/about/36-inch.telescope
  5. ^ https://www.the-observatory.org/dome-b
  6. ^ https://www.roe.ac.uk/roe/heritage/
  7. ^ https://www.the-observatory.org/dome-c
  8. ^ https://www.ucl.ac.uk/ucl-observatory/telescopes/perren-telescope
  9. ^ http://www.hanwellobservatory.org.uk/telescopes/john-wall
  10. ^ https://www.astronomycentre.org.uk/index.php/2-uncategorised/17-30-reflecting-telescope
  11. ^ https://www.the-observatory.org/dome-a
  12. ^ Wright, D. C. (1990). "The 28-inch Refractor at Greenwich - a History of Two Telescopes". Quarterly Journal of the Royal Astronomical Society. 31 (4). Royal Astronomical Society: 551–566. Bibcode:1990QJRAS..31..551W.
  13. ^ http://www.star.uclan.ac.uk/observatories/alston-observatory/
  14. ^ https://www.the-observatory.org/dome-e
  15. ^ https://spaceguardcentre.com/drax/in-detail/
  16. ^ https://www.keele.ac.uk/observatory/history/1970s/
  17. ^ https://www.herts.ac.uk/bayfordbury/bayfordbury-observatory/telescopes