Sunspot drawing of 1962-4-16

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https://doi.org/10.7891/e-manuscripta-92938



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1962-04-16
08:30
Hs 1304.5:1630
https://doi.org/10.7891/e-manuscripta-92938
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
52 5 C -7.9 349.2
53 28 D 10.1 31.8
54 34 G 7.1 332.1
55 9 D 9.0 304.4
4 76