Sunspot drawing of 1963-3-31

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https://doi.org/10.7891/e-manuscripta-93569



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1963-03-31
07:45
Hs 1304.5:1943
https://doi.org/10.7891/e-manuscripta-93569
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
43 19 D -6.8 66.2
1 19