Sunspot drawing of 1984-1-20

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https://doi.org/10.7891/e-manuscripta-141050



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1984-01-20
09:45
Hs 1304.6:916
https://doi.org/10.7891/e-manuscripta-141050
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
8 3 5 J -13 273
9 15 23 G -16 256
10 10 9 B -5 179
11 6 8 C -17 172
12 8 16 D -6 189
13 1 3 J 16 121
6 43 64