Sunspot drawing of 1963-12-20

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https://doi.org/10.7891/e-manuscripta-93715



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1963-12-20
14:10
Hs 1304.5:2162
https://doi.org/10.7891/e-manuscripta-93715
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
159 5 A 10.3 202.2
160 6 D 12.7 130.2
2 11