Sunspot drawing of 1981-5-4

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https://doi.org/10.7891/e-manuscripta-139100



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1981-05-04
08:45
Hs 1304.6:105
https://doi.org/10.7891/e-manuscripta-139100
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 1 3 J 15 31
210 1 3 J 3 20
213 1 3 J 19 340
218 17 13 C -7 335
219 29 27 D 6 317
220 33 30 D 15 314
221 3 3 A 5 307
224 12 11 J 10 291
225 6 4 B -11 286
226 1 1 A 19 332
227 2 2 A 7 330
228 1 1 A 18 304
229 2 1 A 10 303
230 2 3 A 16 290
231 6 8 B -21 270
15 117 113