Sunspot drawing of 1975-1-3

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https://doi.org/10.7891/e-manuscripta-98000



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1975-01-03
08:45
Hs 1304.5:5577
https://doi.org/10.7891/e-manuscripta-98000
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 13 C -9.0 244.8
1 3 J 7.1 335.8
5 5 C 3.6 196.0
3 21