Sunspot drawing of 1958-4-17

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https://doi.org/10.7891/e-manuscripta-88080



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1958-04-17
13:00
Hs 1304.5:384
https://doi.org/10.7891/e-manuscripta-88080
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
169 9 14 E -9.7 254.2
177 3 3 A 40.2 183.8
178 15 15 C 13.0 240.5
179 4 7 D 6.9 223.8
180 6 6 B 19.1 223.7
181 17 23 E 17.3 173.1
182 46 48 E -21.4 148.7
183 2 4 C 22.1 147.1
184 2 5 J 39.0 149.5
185 4 5 J -9.5 129.1
186 5 7 C 13.0 119.2
11 113 137