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| A view of the THEMIS telescope in its resting safe position seen through the oculus of the dome. The THEMIS dome was designed not only to protect the telescope from inclement weather, but also to avoid direct sunlight heating the floor around the telescope mount. Such heat induces turbulence that can significantly impact the quality of the observations. In order for THEMIS to observe, the oculus has precisely the size of the telescope aperture. While observing the only sunlight that gets in the dome goes in the telescope. Both the telescope and the oculus must then move smoothly and synchronously when tracking the Sun during its diurnal motion. | A view of the THEMIS telescope in its resting safe position seen through the oculus of the dome. The THEMIS dome was designed not only to protect the telescope from inclement weather, but also to avoid direct sunlight heating the floor around the telescope mount. Such heat induces turbulence that can significantly impact the quality of the observations. In order for THEMIS to observe, the oculus has precisely the size of the telescope aperture. While observing the only sunlight that gets in the dome goes in the telescope. Both the telescope and the oculus must then move smoothly and synchronously when tracking the Sun during its diurnal motion. | ||
