Sunspot drawing of 1990-4-25

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https://doi.org/10.7891/e-manuscripta-145083



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1990-04-25
07:15
Hs 1304.6:2823
https://doi.org/10.7891/e-manuscripta-145083
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
204 13 17 C -13 334
206 12 16 D 33 337
215 9 12 C 21 238
219 7 9 C -13 322
220 12 11 H -19 312
223 4 5 B 11 273
226 5 3 B -9 256
227 6 7 C 27 250
228 23 27 D 15 267
230 1 2 A -42 307
231 6 7 C 12 217
232 13 17 D -5 214
233 1 2 A -14 261
234 1 1 A -20 263
14 113 136