Sunspot drawing of 1981-3-13

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https://doi.org/10.7891/e-manuscripta-139097



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1981-03-13
09:00
Hs 1304.6:67
https://doi.org/10.7891/e-manuscripta-139097
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
111 3 9 H -3 8
112 1 3 J 10 12
116 3 4 J 24 335
120 38 36 E 7 315
122 28 22 C -5 274
123A 2 2 A 17 322
126 9 11 C -21 262
127 2 1 A -6 267
128 4 3 B 19 237
129 2 5 C -13 2
130 1 1 A 19 341
131 2 2 B 14 312
12 95 99