Sun-Spot Activity during 1934
Publications of the Astronomical Society of the Pacific1935Vol. 47, pp. 57–57
Abstract
The number of groups in the Northern Hemisphere belonging to the old cycle decreased from 34 in 1933 to 11 in 1934; in the Southern Hemisphere, from 7 to 3. The number of groups in the Northern Hemisphere belonging to the new cycle increased from 1 in 1933 to 17 in 1934 ; in the Southern Hemisphere, from 1 to 35. In the low latitudes, where the spots of the old cycle occurred, the Northern Hemisphere was the more active, as in 1933. In the high latitudes, where the spots of the new cycle occurred, the Southern Hemisphere was the more active. The
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