Sunspot drawing of 1984-1-21

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https://doi.org/10.7891/e-manuscripta-140937



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1984-01-21
15:15
Hs 1304.6:917
https://doi.org/10.7891/e-manuscripta-140937
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
9 8 20 D -16 258
10 3 6 C -5 179
11 2 4 C -15 173
12 12 24 D -5 190
13 1 4 J 17 120
14 1 3 J 15 111
6 27 61