Sunspot drawing of 1963-4-16

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https://doi.org/10.7891/e-manuscripta-93658



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1963-04-16
07:00
Hs 1304.5:1955
https://doi.org/10.7891/e-manuscripta-93658
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 4 C -18.8 252.2
52 33 D -11.8 246.4
53 1 A -18.3 244.2
54 2 A 12.8 212.5
4 40