Sunspot drawing of 1990-1-17

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https://doi.org/10.7891/e-manuscripta-145117



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1990-01-17
08:30
Hs 1304.6:2744
https://doi.org/10.7891/e-manuscripta-145117
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
11 1 3 J -23 190
14 4 6 J 11 139
18 2 1 A -36 128
21 1 3 J -30 110
22 20 30 D 32 112
23 43 40 C 21 105
24 4 9 J -20 105
26 2 2 B 40 118
27 7 4 B 15 106
29 1 3 J 25 70
31 6 10 J -9 54
32 4 3 B -33 91
33 1 3 J 23 33
34 2 2 A 12 38
35 8 10 C -12 43
36 1 3 J -27 28
16 107 132