Sunspot drawing of 1981-2-12

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https://doi.org/10.7891/e-manuscripta-139162



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1981-02-12
08:00
Hs 1304.6:41
https://doi.org/10.7891/e-manuscripta-139162
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
61 1 1 A 3 317
62 2 5 J 12 341
67 37 35 D 11 328
68 1 2 A 3 21
70 1 1 A 21 337
71 1 1 A -6 36
72 3 3 B 15 353
73 9 10 B -17 339
74 16 18 C 11 335
76 4 8 C 9 4
77 1 2 A 28 348
78 6 9 C -8 321
79 10 15 C 19 259
80 1 4 H 12 258
81 1 3 J -19 256
82 1 2 A -21 332
83 1 1 A -14 3
84 1 3 J 15 237
18 97 123