Sunspot drawing of 1990-4-23

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https://doi.org/10.7891/e-manuscripta-145285



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1990-04-23
09:15
Hs 1304.6:2821
https://doi.org/10.7891/e-manuscripta-145285
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
202A 3 5 B -32 3
204 7 12 C -13 334
206 8 20 D 33 337
215 6 15 D 20 328
219 10 14 C -13 322
220 3 10 H -19 312
223 2 5 J 12 273
226 5 8 B -8 256
227 3 7 C 27 249
228 9 15 C 16 266
229 1 2 A -28 255
230 1 2 A -39 306
231 1 4 H 12 215
232 2 5 C -6 213
14 61 124