Sunspot drawing of 1983-1-13

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https://doi.org/10.7891/e-manuscripta-140414



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1983-01-13
09:15
Hs 1304.6:604
https://doi.org/10.7891/e-manuscripta-140414
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
5 2 3 J -17 130
8 1 3 J -11 133
11 6 8 J -5 119
12 17 17 C -8 99
17 2 2 A 14 72
18 1 3 J -17 29
19 2 4 J 4 4
20 4 4 B 6 25
21 1 2 A 10 15
22 2 8 J 8 353
10 38 54