Sunspot drawing of 1981-5-1

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https://doi.org/10.7891/e-manuscripta-139222



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1981-05-01
07:15
Hs 1304.6:103
https://doi.org/10.7891/e-manuscripta-139222
Observer : Roberto Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 2 5 J 15 31
210 3 6 J 3 20
211 2 3 A 4 27
213 1 3 J 20 342
217 3 7 J 23 26
218 10 14 C -7 335
219 5 9 C 7 319
220 6 12 D 17 314
221 1 3 J 5 308
222 3 7 G 11 3
10 36 69