Sunspot drawing of 1963-1-21

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https://doi.org/10.7891/e-manuscripta-93653



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1963-01-21
08:30
Hs 1304.5:1880
https://doi.org/10.7891/e-manuscripta-93653
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
5 3 J 9.0 340.5
6 3 J 5.1 340.7
2 6