Sunspot drawing of 1961-10-31

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https://doi.org/10.7891/e-manuscripta-92726



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1961-10-31
08:00
Hs 1304.5:1502
https://doi.org/10.7891/e-manuscripta-92726
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 2 5 A 7.8 113.5
1 2 5