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Photos of Observation showing rotation of the nucleus of Comet Swift-Tuttle
Photos of Observation showing rotation of the nucleus of Comet Swift-Tuttle
Photographic plates of Halley's Comet 1986
Photographic plates of Halley's Comet 1986
Photographic plates of Comet Halley from 90" telescope in Kavalur
Photographic plates of Comet Halley from 90" telescope in Kavalur