Sunspot drawing of 1961-4-11

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https://doi.org/10.7891/e-manuscripta-92603



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1961-04-11
09:30
Hs 1304.5:1318
https://doi.org/10.7891/e-manuscripta-92603
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
93 1 4 J -4.7 239.5
94 6 8 G 12.6 281.3
97 2 1 A 3.6 181.7
98 2 6 D 14.8 136.9
99 1 3 J 3.6 132.0
5 12 22