Sunspot drawing of 1991-4-13

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https://doi.org/10.7891/e-manuscripta-145782



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1991-04-13
08:45
Hs 1304.6:3127
https://doi.org/10.7891/e-manuscripta-145782
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
154 5 12 D -21 352
155 17 24 D -11 335
156 1 3 J 4 332
166 4 5 C 6 310
170 36 30 D 28 286
171 23 20 C -25 260
172 7 4 A 15 274
180 74 54 E 9 242
182 1 3 J -27 232
184 4 3 B -9 295
186 5 4 A 11 270
187 12 9 B 8 264
188 12 13 C 15 218
189 3 2 A -26 274
190 4 3 A -14 269
15 208 189