Sunspot drawing of 1990-4-29

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https://doi.org/10.7891/e-manuscripta-145193



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1990-04-29
07:30
Hs 1304.6:2827
https://doi.org/10.7891/e-manuscripta-145193
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
227 7 10 B 27 246
228 9 13 D 16 267
231 2 6 J 13 215
232 8 14 D -4 215
234 11 17 D -20 262
239 5 4 B -18 249
240 1 3 J 21 163
241 4 2 A 14 204
242 4 3 A -9 148
9 51 72