Sunspot drawing of 1991-2-13

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https://doi.org/10.7891/e-manuscripta-145826



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1991-02-13
09:00
Hs 1304.6:3080
https://doi.org/10.7891/e-manuscripta-145826
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
55 14 24 D 13 28
56 21 30 D 15 12
58 1 2 A -14 340
61 6 7 C -10 332
62 4 6 C -3 324
63 5 7 C -5 311
66 9 7 B -12 349
67 10 15 B -9 326
68 11 14 C -13 13
70 6 9 C 27 292
71 1 3 J 20 54
72 1 2 A -7 22
73 3 5 C 23 287
74 3 7 C -14 263
14 95 138