Sunspot drawing of 1991-1-9

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https://doi.org/10.7891/e-manuscripta-145901



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1991-01-09
13:15
Hs 1304.6:3053
https://doi.org/10.7891/e-manuscripta-145901
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
702 1 3 J 8 153
3 1 3 J -12 77
5 8 20 D -11 147
8 5 8 B -18 118
9 1 3 J 6 50
10 1 2 A 17 30
11 21 50 F 14 20
7 38 89