Sunspot drawing of 1963-8-31

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https://doi.org/10.7891/e-manuscripta-93735



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1963-08-31
07:30
Hs 1304.5:2077
https://doi.org/10.7891/e-manuscripta-93735
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
115 5 C 8.9 206.5
118 3 B 11.1 219.5
119 4 C 4.2 163.9
3 12