Sunspot drawing of 1981-5-2

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https://doi.org/10.7891/e-manuscripta-139037



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1981-05-02
11:45
Hs 1304.6:104
https://doi.org/10.7891/e-manuscripta-139037
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 2 6 J 15 31
210 2 4 J 3 20
211 1 2 A 0 28
213 1 3 J 20 341
217 1 2 A 24 25
218 7 12 C -7 334
219 17 24 C 8 317
220 11 16 C 16 314
221 2 6 J 5 307
223 2 6 G -10 35
224 5 6 B 10 297
225 1 2 A -10 290
12 52 89