Sunspot drawing of 1984-2-1

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https://doi.org/10.7891/e-manuscripta-140964



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1984-02-01
08:30
Hs 1304.6:925
https://doi.org/10.7891/e-manuscripta-140964
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
13 1 3 J 16 122
14 31 60 D 14 109
15A 23 40 D 11 87
20 16 24 D 12 64
21 4 9 C -13 46
22 2 5 J -13 337
6 77 141