Sunspot drawing of 1990-4-27

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https://doi.org/10.7891/e-manuscripta-145165



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1990-04-27
07:15
Hs 1304.6:2825
https://doi.org/10.7891/e-manuscripta-145165
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
220 2 3 J -19 312
223 2 1 A 12 269
226 6 3 B -9 253
227 14 12 C 26 246
228 15 18 D 15 267
231 5 7 J 12 215
232 6 10 G -5 214
234 16 12 B -20 262
237 2 2 A 12 205
238 1 2 A 2 255
239 10 7 B -19 248
240 1 3 J 21 163
12 80 80