Sunspot drawing of 1983-6-7

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https://doi.org/10.7891/e-manuscripta-140289



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1983-06-07
09:45
Hs 1304.6:714
https://doi.org/10.7891/e-manuscripta-140289
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
140 83 80 E -9 351
142 10 14 C -18 348
143 38 40 D -9 272
144 5 5 C -11 252
4 136 139