National Solar Obseratory

Sunspot Visitor Center
Sunspot Visitor Center
Sun Spot
Sun Spot
The Tower Telescope
The Tower Telescope
Dunn Solar Tower
Dunn Solar Tower

Dunn Solar Tower Telescope 64' Mirror and 136 feet tall but the building 228 more feet below ground

Dunn Solar Tower Telescope
Dunn Solar Tower Telescope
Dunn Solar Telescope
Dunn Solar Telescope

Inside the Dunn Solar Telescope

Beam Splitter
Beam Splitter
Hilltop Dome
Hilltop Dome

Hilltop Dome Built 1963 (Optical Design Lab)