Sunspot drawing of 1990-5-4

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https://doi.org/10.7891/e-manuscripta-145280



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1990-05-04
08:30
Hs 1304.6:2832
https://doi.org/10.7891/e-manuscripta-145280
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
231 2 4 J 12 216
232 1 3 J -6 220
240 2 4 J 20 162
242 2 1 A -8 148
244 3 5 J -14 114
246 2 2 B 25 163
248 4 7 C -9 197
249 13 20 D 17 80
250 2 1 A 16 203
251 9 7 B -12 77
10 40 54