Sunspot drawing of 1961-5-20

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https://doi.org/10.7891/e-manuscripta-92596



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1961-05-20
06:30
Hs 1304.5:1352
https://doi.org/10.7891/e-manuscripta-92596
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 5 J 8.7 65.3
136 7 B -11.8 65.7
138 23 D 2.5 89.3
141 5 B 13.9 12.6
142 9 B 16.8 345.3
143 4 C -12.6 74.2
144 3 J 2.2 330.9
7 56