Sunspot drawing of 1964-1-31

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https://doi.org/10.7891/e-manuscripta-93884



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1964-01-31
08:45
Hs 1304.5:2197
https://doi.org/10.7891/e-manuscripta-93884
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
11 4 J -4.3 79.6
1 4