Sunspot drawing of 1961-1-21

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https://doi.org/10.7891/e-manuscripta-92477



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1961-01-21
08:30
Hs 1304.5:1242
https://doi.org/10.7891/e-manuscripta-92477
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 34 29 D -5.0 214.7
13 6 10 C -5.6 163.6
15 2 2 A -9.9 161.1
16 1 1 A 12.7 173.7
17 1 3 J 17.5 102.0
5 44 45