Abstract
DURING the winter of 1932–33, a number of measurements of the height of the aurora borealis were made at Saskatoon (lat. 52° 07 53 N., long. 106° 37 47 W.). It was found that the height at which the lower limits of the auroral arcs and bands were most frequently seen was 105 km., a value in close agreement with that found by Størmer and others in Norway. Fig. 1 shows the distribution curve, the number of auroral points measured being plotted against their height in kilometres. In plotting this curve, 220 points were used and they were taken in 5 km. groups.
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References
Størmer, "Photographic Atlas of Auroral Forms", Supplement 1, p. 8.
Harang and Tonsberg, "Investigations of the Aurora Borealis at Nordlys Observatoriet, Tromso", Geofys. Pub., 9, No. 5; 1932.
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ALTY, T., WILSON, F. Height of the Aurora in Canada. Nature 133, 687–688 (1934). https://doi.org/10.1038/133687b0
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DOI: https://doi.org/10.1038/133687b0
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