Sunspot drawing of 1961-5-23

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https://doi.org/10.7891/e-manuscripta-92587



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1961-05-23
10:30
Hs 1304.5:1355
https://doi.org/10.7891/e-manuscripta-92587
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 2 5 C 9.3 63.7
138 2 5 C 3.3 89.7
141 3 3 B 14.1 10.1
142 12 23 C 16.6 343.0
144 1 3 J 1.7 330.7
5 20 39