Sunspot drawing of 1961-9-12

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https://doi.org/10.7891/e-manuscripta-92665



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1961-09-12
06:00
Hs 1304.5:1461
https://doi.org/10.7891/e-manuscripta-92665
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 12 D 14.0 285.0
268 57 E -9.4 298.2
2 69