Sunspot drawing of 1981-5-6

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https://doi.org/10.7891/e-manuscripta-139187



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1981-05-06
07:15
Hs 1304.6:107
https://doi.org/10.7891/e-manuscripta-139187
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
210 2 5 J 3 21
213 1 3 J 19 340
218 9 11 C -7 336
219 38 32 D 6 318
220 24 18 D 15 313
221 2 2 A 5 305
224 7 8 C 10 293
225A 7 6 B -18 285
228 11 11 B 17 303
230 6 7 C 16 290
231 15 18 C -20 271
232 2 6 G 13 237
233 19 18 D 9 233
234 5 5 B -4 234
235 2 4 C -7 276
15 150 154