Sunspot drawing of 1981-2-7

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https://doi.org/10.7891/e-manuscripta-139111



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1981-02-07
09:15
Hs 1304.6:36
https://doi.org/10.7891/e-manuscripta-139111
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 1 3 J -11 102
43 2 4 J -9 90
49 1 4 H 19 61
50 3 2 A -8 62
58 25 36 D -14 67
61 3 5 J 4 2
62 3 7 J 12 342
63 2 2 A -14 52
66 1 1 A 28 357
67 19 28 D 11 328
68 1 3 J 3 19
69 2 2 B 10 22
70 1 2 A 22 335
71 3 4 B -7 40
72 1 2 A 17 351
73 5 7 C -17 337
16 73 112