Sunspot drawing of 1964-3-17

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https://doi.org/10.7891/e-manuscripta-93838



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1964-03-17
14:00
Hs 1304.5:2232
https://doi.org/10.7891/e-manuscripta-93838
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
24 3 B 3.7 191.2
26 3 J 9.9 44.9
2 6