Sunspot drawing of 1981-1-12

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https://doi.org/10.7891/e-manuscripta-139043



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1981-01-12
08:45
Hs 1304.6:11
https://doi.org/10.7891/e-manuscripta-139043
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 26 40 D -13 72
8 4 7 C -6 54
9 13 10 B 7 4
10 21 24 D 5 347
12A 1 2 A 11 57
13 10 11 B 17 42
14 2 4 J -13 351
15 1 1 A -8 30
16 9 9 B -17 335
17 1 2 A 13 330
18 1 2 A -21 316
19 1 1 A -17 290
12 90 113