Sunspot drawing of 1958-5-13

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https://doi.org/10.7891/e-manuscripta-88064



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1958-05-13
14:30
Hs 1304.5:410
https://doi.org/10.7891/e-manuscripta-88064
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
224 1 4 H 26.9 291.9
231 1 3 J 13.6 254.7
237 31 26 E 7.9 264.2
240 17 18 C -6.5 207.4
241 21 26 D -17.1 190.6
241A 31 28 D -20.6 178.1
249 1 4 J -23.1 146.8
250 17 11 B -7.8 250.3
251 2 6 D -6.9 132.1
9 122 126