Sunspot drawing of 1984-1-18

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https://doi.org/10.7891/e-manuscripta-141021



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1984-01-18
09:30
Hs 1304.6:915
https://doi.org/10.7891/e-manuscripta-141021
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
8 8 10 C -13 274
9 5 14 G -16 258
10 4 5 G -4 180
11 2 3 J -16 173
4 19 32