Sunspot drawing of 1963-4-30

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https://doi.org/10.7891/e-manuscripta-93600



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1963-04-30
08:00
Hs 1304.5:1968
https://doi.org/10.7891/e-manuscripta-93600
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
55 14 D 15.3 345.3
56 8 B 10.1 19.2
2 22