Sunspot drawing of 1971-1-3

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https://doi.org/10.7891/e-manuscripta-96912



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1971-01-03
08:45
Hs 1304.5:4345
https://doi.org/10.7891/e-manuscripta-96912
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
537 13 D 12.4 154.2
541 5 J 9.5 163.3
542 4 C -14.9 179.0
544 3 J 21.4 98.1
545 15 D 3.1 87.3
1 6 B 19.3 107.2
2 2 A -14.2 121.0
3 1 A -11.6 108.5
8 49