Sunspot drawing of 1981-3-16

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https://doi.org/10.7891/e-manuscripta-139085



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1981-03-16
07:15
Hs 1304.6:69
https://doi.org/10.7891/e-manuscripta-139085
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
116 1 3 J 24 334
120 41 38 E 8 316
122 17 13 C -5 273
124A 8 9 B 13 263
126 4 4 B -21 259
128 2 1 A 19 237
132 4 7 C -16 283
135 7 12 H 8 208
136 5 10 C -16 332
137 5 9 D 13 191
138 1 3 J 18 178
11 95 109