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| Alternative names | Vacuum Tower Telescope at Sacramento Peak, Richard B. Dunn Solar Telescope |
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| Named after | Richard B. Dunn  |
| Part of | Sunspot Solar Observatory |
| Location(s) | New Mexico |
| Coordinates | 32°47′14″N 105°49′14″W / 32.78728°N 105.8205°W |
| Organization | New Mexico State University |
| Wavelength | 310 nm (970 THz)–1,000 nm (300 THz) |
| Telescope style | optical telescope solar telescope research structure |
| Diameter | 76 cm (2 ft 6 in) |
| Angular resolution | 0.1 milliarcsecond, 0.33 milliarcsecond |
| Collecting area | 0.456 m2 (4.91 sq ft) |
| Focal length | 54.86 m (180 ft 0 in) |
| Website | sunspot |
  Location of Richard B. Dunn Solar Telescope | |
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The Dunn Solar Telescope, also known as the Richard B. Dunn Solar Telescope,[1] is a unique vertical-axis solar telescope that specializes in high-resolution imaging and spectroscopy. It is located at Sacramento Peak in Sunspot, New Mexico. It is the main telescope at the Sunspot Solar Observatory, operated by New Mexico State University in partnership with the National Solar Observatory through funding from the National Science Foundation,[2] the state of New Mexico, and private funds from other partners. The Dunn Solar Telescope helps astrophysicists worldwide better understand the Sun and how it affects Earth.
Completed in 1969, the telescope was upgraded with high-order adaptive optics in 2004 and remains a highly versatile astrophysical observatory that serves as an important test platform for developing new instrumentation and technologies.
- ^ Raftery, Claire (2018-04-30). "Dunn Solar Telescope". NSO - National Solar Observatory. Retrieved 2023-09-12.
- ^ Udall, Heinrich, Pearce Announce $1.2 Million to Upgrade Dunn Solar Telescope in Sunspot, NM, Transition Operation to NMSU Consortium, 2016-09-22