Sunspot drawing of 1963-3-21

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https://doi.org/10.7891/e-manuscripta-93557



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1963-03-21
12:30
Hs 1304.5:1934
https://doi.org/10.7891/e-manuscripta-93557
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 8 C 11.7 206.2
1 8