RESEARCH ON THE VOLOCITY FIELD OF ACTIVE SOLAR REGIONS.
Final rept. 1 May 67-31 Oct 69,
HAWAII UNIV HONOLULU INST FOR ASTRONOMY
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One of the prime objectives of the research program was to develop a new and improved method of recording the Doppler velocity field over two-dimensional solar image. The method is basically an extension of Leightons spectroheliographic technique but employs a closed-circuit TV system in the actual image subtraction process in order to eliminate the complex photographic subtraction employed by Leighton. The basis of the method is described in the report.