Gregorian telescope
type of reflecting telescope
Arecibo Radio Telescope
former radio telescope in the municipality of Arecibo, Puerto Rico
South Pole Telescope
telescope at the South Pole
Magellan Telescopes
a pair of optical telescopes located at Las Campanas Observatory in Chile
Giant Magellan Telescope
ground-based telescope under construction, planned for completion in 2029
GREGOR
solar telescope in the Canary Islands
Allen Telescope Array
radio telescope
Daniel K. Inouye Solar Telescope
scientific facility at Haleakala Observatory in Hawaii, US
Vatican Advanced Technology Telescope
Gregorian telescope
National Large Solar Telescope
India telescope proposed in 2010
Green Bank Telescope
radio telescope
Goode Solar Telescope
telescope at Big Bear Solar Observatory in California, United States