Sunspot drawing of 1972-4-13

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https://doi.org/10.7891/e-manuscripta-97096



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1972-04-13
07:15
Hs 1304.5:4724
https://doi.org/10.7891/e-manuscripta-97096
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
111 1 A -9.2 128.4
114 18 C -8.4 82.3
115 9 C -15.3 93.2
118 2 A 9.3 92.1
119 10 C -12.3 53.4
120 3 J 7.4 28.3
121 1 C -3.4 87.9
122 1 A 1.7 74.0
8 45