Sunspot drawing of 1983-2-4

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https://doi.org/10.7891/e-manuscripta-140360



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1983-02-04
12:30
Hs 1304.6:625
https://doi.org/10.7891/e-manuscripta-140360
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
31 2 5 J 5 216
35 18 20 B -13 177
36 28 39 D -17 168
37 26 32 D -18 123
38 1 3 J -7 132
39 2 5 C -10 113
40 1 1 A 8 88
7 78 105