Sunspot drawing of 1972-4-23

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https://doi.org/10.7891/e-manuscripta-97204



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1972-04-23
07:30
Hs 1304.5:4733
https://doi.org/10.7891/e-manuscripta-97204
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
123 2 A -11.2 331.2
126 12 C -10.5 318.8
129 3 B 13.5 338.5
131 6 B -2.8 320.7
132 5 C 16.2 249.2
133 1 C 16.2 249.2
134 3 J -6.4 251.5
135 16 B -14.0 272.8
136 1 A 22.2 250.5
137 2 A 2.9 233.9
10 51