Sunspot drawing of 1961-1-13

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https://doi.org/10.7891/e-manuscripta-92529



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1961-01-13
08:30
Hs 1304.5:1234
https://doi.org/10.7891/e-manuscripta-92529
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
6 9 C -12.6 307.8
10 2 A -10.9 284.5
11 3 A -15.7 282.8
3 14