Sunspot drawing of 1984-1-23

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https://doi.org/10.7891/e-manuscripta-141026



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1984-01-23
09:00
Hs 1304.6:919
https://doi.org/10.7891/e-manuscripta-141026
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
9 1 3 J -17 254
10 3 3 B -5 176
11 2 2 A -18 170
12 21 28 D -6 189
13 4 6 J 16 121
14 12 19 D 14 110
15A 7 20 D 12 87
7 50 81