Sunspot drawing of 1988-9-13

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https://doi.org/10.7891/e-manuscripta-143781



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1988-09-13
08:45
Hs 1304.6:2313
https://doi.org/10.7891/e-manuscripta-143781
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
230 2 6 J -19 143
232 11 15 J 31 105
235 3 4 C 13 94
240 11 18 G -11 60
241 6 11 B -19 129
244 4 8 B 16 160
245 4 5 B 16 138
246 2 2 A 23 97
8 43 69