Sunspot drawing of 1981-2-10

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https://doi.org/10.7891/e-manuscripta-139049



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1981-02-10
13:15
Hs 1304.6:39
https://doi.org/10.7891/e-manuscripta-139049
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
49 3 7 19 63
58 2 5 -15 67
61 6 6 B 4 2
62 2 4 J 12 342
67 29 33 D 11 328
68 1 2 A 3 22
70 2 2 A 22 338
71 6 8 B -7 40
73 4 2 A -17 335
74 19 20 C 11 336
76 10 11 B 9 4
77 4 6 B 29 353
78 6 7 B -8 321
79 1 3 J 19 260
80 1 4 J 12 257
81 1 3 J -19 258
16 97 123