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Elevation Range

(measure of how high and low a telescope can be pointed)

The Elevation Range of a telescope is a measure, typically in degrees of how high and low the telescope can be pointed, e.g., 5-90 degrees, 90 being vertical. It affects how much of the sky can be viewed. It can be applied to non-optical telescopes such as Radio telescopes and the door of an observatory (through which the telescope is pointed) may have an elevation range of significance.