Sunspot drawing of 1958-4-21

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https://doi.org/10.7891/e-manuscripta-88090



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1958-04-21
07:00
Hs 1304.5:388
https://doi.org/10.7891/e-manuscripta-88090
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
180 2 B 19.5 222.8
181 46 D 16.9 173.2
182 84 E -21.8 147.4
183 24 D 22.9 145.7
184 6 C 38.7 144.8
185 4 A -9.0 129.0
186 18 D 12.3 117.3
187 14 C -26.0 206.4
189 4 C 35.0 179.7
192 5 C -6.6 95.5
193 5 B -13.1 84.3
194/194A 20 E 6.8 79.3
195 5 B 11.4 146.0
196 2 A 35.0 169.5
197 4 H 16.1 65.3
198 1 A 8.2 64.7
16 244