Sunspot drawing of 1981-3-11

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https://doi.org/10.7891/e-manuscripta-139034



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1981-03-11
09:15
Hs 1304.6:65
https://doi.org/10.7891/e-manuscripta-139034
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
105 1 3 J -3 41
108 3 6 J 2 23
111 17 23 C -4 5
112 1 3 J 11 10
116 1 3 J 24 338
120 38 49 E 8 315
122 10 14 C -5 273
123A 2 3 A 17 323
124 1 1 A 10 261
125 3 3 B -20 356
10 77 108