Sunspot drawing of 1963-12-21

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https://doi.org/10.7891/e-manuscripta-93808



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1963-12-21
08:45
Hs 1304.5:2163
https://doi.org/10.7891/e-manuscripta-93808
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
160 6 C 13.1 132.0
1 6