Sunspot drawing of 1958-4-7

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https://doi.org/10.7891/e-manuscripta-88078



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1958-04-07
09:30
Hs 1304.5:377
https://doi.org/10.7891/e-manuscripta-88078
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
147 7 12 C -16.9 34.2
148 2 7 C 26.3 24.0
151 7 12 D -16.3 4.3
152 47 47 E 33.1 2.9
154 5 8 C 21.5 356.1
155 1 3 J 8.4 48.1
156 8 8 C -25.5 17.5
159 2 4 A 10.8 338.4
160 7 9 C 24.1 347.3
161 38 56 D 15.7 317.8
162 8 14 D 10.8 309.6
163 32 54 E 13.8 298.4
164 3 6 C 7.8 295.6
165 3 5 C -14.1 304.6
166 3 7 E 43.6 282.8
15 173 252