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Work on the aurora in New Zealand has been carried out intensively since the beginning of 1933. As this period completely covers the rise from minimum to maximum activity a survey of the general characteristics of the auroras observed may be profitable. The study consisted, until 1935, in the collection of data for statistical use, but, since then, with the assistance of Professor C. Störmer, photographic work has been undertaken, and, since the end of 1936, two cameras have been in constant use for height determinations.
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Michael Geddes (1939) studied this question.
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