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    The Mount Wilson solar magnetograph - Scanning and data system (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The paper describes a computer-operated image-scanning and data-collection system for the magnetograph at the Mt. Wilson 150-foot Tower telescope. The system is based on a minicomputer with a 32K word core memory and a generalized interface unit for controlling image motion, a keyboard, and an associated television screen. Operation of the solar image guider and the data-collection assembly is outlined along with the observation and data-reduction procedures. Advantages of the system include the ability to move the image in almost any conceivable fashion, a wide choice of integration times, and increased accuracy in magnetic and Doppler calibrations as well as in setting of the magnetic zero level.
    Keywords: ASTRONOMY
    Type: Solar Physics; 48; June 197
    Format: text
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