Sunspot drawing of 1958-4-20

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https://doi.org/10.7891/e-manuscripta-88052



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1958-04-20
06:15
Hs 1304.5:387
https://doi.org/10.7891/e-manuscripta-88052
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
180 1 3 J 19.5 227.8
181 33 32 D 16.7 173.9
182 80 68 E -22.5 148.0
183 18 15 D 22.0 146.6
184 3 8 D 38.4 145.2
185 1 2 A -10.0 130.8
186 17 20 D 12.2 117.5
187 10 12 D -25.5 204.7
188 3 3 A -22.1 182.8
189 3 7 C 35.2 179.9
190 3 3 B -13.8 183.8
192 4 5 C -6.6 95.6
193 1 1 A -13.2 82.9
194 5 8 C 6.6 83.5
14 182 187