Sunspot drawing of 1983-6-12

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https://doi.org/10.7891/e-manuscripta-140426



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1983-06-12
08:30
Hs 1304.6:719
https://doi.org/10.7891/e-manuscripta-140426
Observer : Roberto Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
140 5 10 C -11 343
143 48 40 D -9 272
144 8 10 C -10 252
145 1 3 J -27 182
4 62 63