Sunspot drawing of 1981-5-11

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https://doi.org/10.7891/e-manuscripta-139179



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1981-05-11
12:00
Hs 1304.6:111
https://doi.org/10.7891/e-manuscripta-139179
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
220 1 3 J 17 312
224 6 10 D 11 290
230 2 3 J 17 292
231 2 4 A -22 265
232 1 3 J 13 238
233 65 56 D 9 230
234 3 2 A -6 234
236 5 6 B 21 272
237 15 19 D 11 210
238 2 4 C -7 198
239 4 6 A -22 252
240 11 23 D 11 158
241 3 10 D 14 154
13 120 149