Sunspot drawing of 1971-1-12

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https://doi.org/10.7891/e-manuscripta-96690



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1971-01-12
08:45
Hs 1304.5:4354
https://doi.org/10.7891/e-manuscripta-96690
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 22 C -6.7 6.9
8 5 B -11.0 332.6
9 4 J 19.3 298.1
10 1 B -20.9 16.1
12 2 A 18.9 289.7
13 4 B -11.2 281.0
14 3 A 2.5 13.0
15 1 A 13.4 323.8
16 7 B -15.6 303.2
9 49