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IZMIRAN
USSR. Moscow Region. Troitsk. June 1973. Junior researcher of the heliophysical laboratory Vitaly Nikitich Ishkov during the debugging of the tracking system of the solar periscope of the large tower telescope at the Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the USSR Academy of Sciences. The exact date of the photo has not been established. Viktor Yankov/TASS