Sunspot drawing of 1990-1-13

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https://doi.org/10.7891/e-manuscripta-145256



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1990-01-13
09:00
Hs 1304.6:2740
https://doi.org/10.7891/e-manuscripta-145256
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
6 7 10 C -24 233
10 2 5 C -13 213
10A 6 6 A -13 201
11 6 7 C -23 189
13 16 18 C -10 171
14 1 3 J 12 146
17 11 15 D -13 234
18 14 13 C -34 132
21 1 3 J -30 112
22 6 12 D 34 112
23 23 20 C 21 107
24 5 7 C -20 103
25 3 4 B -7 192
26 4 5 B 43 123
14 105 128