Sunspot drawing of 1963-2-4

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https://doi.org/10.7891/e-manuscripta-93522



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1963-02-04
08:00
Hs 1304.5:1894
https://doi.org/10.7891/e-manuscripta-93522
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
19 45 E -16.2 57.0
20 15 D 12.0 22.6
2 60