I.G.Y. Ascaplots : half-hourly auroral all-sky camera plots from 115 stations for the period 1958-1959 /

Annals of the International Geophysical Year, Volume 20, Part II: I.G.Y. Ascaplots is a four-chapter text that provides the data on half-hourly auroral all-sky camera plots from 115 stations for the period 1958-1959. This period cover two winters in the northern hemisphere characterized by high auro...

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