Sunspot drawing of 1972-9-16

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https://doi.org/10.7891/e-manuscripta-97233



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1972-09-16
09:30
Hs 1304.5:4865
https://doi.org/10.7891/e-manuscripta-97233
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
307 3 J 19.9 243.4
308 5 C -12.2 185.9
310 11 C -9.4 163.1
311 8 B 6.3 154.2
312 4 B 11.4 133.7
313 1 A -10.9 117.4
6 32