Sunspot drawing of 1964-12-30

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https://doi.org/10.7891/e-manuscripta-94126



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1964-12-30
10:00
Hs 1304.5:2477
https://doi.org/10.7891/e-manuscripta-94126
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
90 3 J 33.5 345.5
92 14 C 22.1 259.9
2 17