Sunspot drawing of 1975-1-4

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https://doi.org/10.7891/e-manuscripta-98219



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1975-01-04
08:45
Hs 1304.5:5578
https://doi.org/10.7891/e-manuscripta-98219
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 9 C -8.4 244.5
5 5 J 3.8 197.3
2 14