Sunspot drawing of 1958-4-11

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https://doi.org/10.7891/e-manuscripta-88041



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1958-04-11
08:00
Hs 1304.5:381
https://doi.org/10.7891/e-manuscripta-88041
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
154 3 5 C 22.4 354.3
159 1 2 A 9.9 343.0
161 38 39 F 14.8 319.0
162 6 11 C 11.2 311.5
163 21 41 F 13.2 297.5
165 9 12 D -14.9 302.2
169 12 21 D -13.5 255.3
170 5 6 A 13.4 239.6
172 6 6 B -12.2 287.1
173 9 12 D -22.1 256.8
174 3 5 C -4.7 216.9
175 2 4 C 29.5 327.9
12 115 164