Sunspot drawing of 1961-9-13

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https://doi.org/10.7891/e-manuscripta-92701



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1961-09-13
10:30
Hs 1304.5:1462
https://doi.org/10.7891/e-manuscripta-92701
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 15 17 D 13.8 284.4
268 65 58 F -9.8 298.6
269 3 3 B -13.4 308.2
270 12 5 B 19.9 315.9
4 95 83