Sunspot drawing of 1963-3-18

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https://doi.org/10.7891/e-manuscripta-93546



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1963-03-18
14:30
Hs 1304.5:1932
https://doi.org/10.7891/e-manuscripta-93546
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 12 C 12.3 207.9
39 2 A 12.5 317.3
2 14