Sunspot drawing of 1961-9-6

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https://doi.org/10.7891/e-manuscripta-92784



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1961-09-06
08:30
Hs 1304.5:1455
https://doi.org/10.7891/e-manuscripta-92784
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
260 40 E 12.2 80.2
263 2 B 8.8 55.3
2 42