Sunspot drawing of 1990-1-12

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https://doi.org/10.7891/e-manuscripta-145171



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1990-01-12
08:45
Hs 1304.6:2739
https://doi.org/10.7891/e-manuscripta-145171
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
2 2 2 A -38 246
6 13 17 C -23 232
10 8 13 C -13 211
10A 11 9 C -13 200
11 2 5 J -23 191
13 13 18 D -10 170
14 1 3 J 12 146
15 12 18 D 27 254
17 15 29 D -13 233
18 7 10 C -34 134
20 4 2 B -24 135
21 1 3 J -30 112
22 2 4 C 34 111
23 7 13 D 21 104
24 2 5 C -19 105
15 100 151