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Welch on-camera: text

With a traditional telescope, where the focusing is done by the telescope onto a photographic plate, the data collection is fairly simple. But in effect, what we do is get into the middle of the telescope and collect a lot of the raw data, record it, and then we have to do this focusing process which requires massive computing capability. So the computer is part ofthe telescope.

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NCSA. Last modified 11/13/95.