Sunspot drawing of 1987-10-13

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https://doi.org/10.7891/e-manuscripta-142927



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1987-10-13
09:15
Hs 1304.6:2037
https://doi.org/10.7891/e-manuscripta-142927
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
108 3 2 A -26 259
110 22 34 C 21 193
111 2 7 J -30 186
112 10 16 C -25 241
113 3 3 A -23 210
5 40 62