Sunspot drawing of 1974-12-12

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https://doi.org/10.7891/e-manuscripta-97771



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1974-12-12
08:15
Hs 1304.5:5555
https://doi.org/10.7891/e-manuscripta-97771
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
196 33 D 10.5 173.6
197 4 H 13.3 102.7
2 37