Sunspot drawing of 1990-1-18

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https://doi.org/10.7891/e-manuscripta-145103



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1990-01-18
09:30
Hs 1304.6:2745
https://doi.org/10.7891/e-manuscripta-145103
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
14 6 7 C 11 138
18 1 1 A -35 129
21 5 6 C -30 108
22 21 30 D 33 112
23 28 39 D 22 104
24 5 6 C -20 104
26 1 1 A 41 119
29 4 6 C 25 66
31 15 15 C -9 53
32A 7 9 B -29 97
33 1 3 J 23 35
35 19 21 D -12 43
36 8 20 D -29 24
13 121 164