Sunspot drawing of 1983-2-1

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https://doi.org/10.7891/e-manuscripta-140442



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1983-02-01
09:30
Hs 1304.6:622
https://doi.org/10.7891/e-manuscripta-140442
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
30 5 12 C -9 244
31 1 3 J 5 214
33 11 20 D 5 239
34 14 18 C -16 191
35 8 15 D -13 178
36 12 30 D -17 168
37 1 2 A -16 121
7 52 100