Sunspot drawing of 1990-1-15

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https://doi.org/10.7891/e-manuscripta-145123



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1990-01-15
08:45
Hs 1304.6:2742
https://doi.org/10.7891/e-manuscripta-145123
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
10 1 3 J -13 216
10A 1 1 A -13 199
11 1 3 J -24 190
13 4 3 B -11 170
14 8 9 C 11 142
18 5 7 C -34 132
21 3 4 J -31 110
22 20 24 D 32 114
23 40 40 D 21 107
24 3 7 C -20 105
26 4 7 C 40 122
27 6 4 B 16 107
29 2 5 J 26 69
13 98 117