Sunspot drawing of 1991-4-12

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https://doi.org/10.7891/e-manuscripta-145811



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1991-04-12
08:00
Hs 1304.6:3126
https://doi.org/10.7891/e-manuscripta-145811
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
154 19 24 D -21 352
155 23 19 D -11 334
156 1 3 J 5 331
158 1 3 J -20 24
162 7 7 B -12 350
165 1 1 A -19 306
166 6 6 C 6 313
170 28 29 D 29 286
171 13 16 C -27 258
172 3 4 J 14 274
173 1 2 A -12 10
177 7 6 B -22 329
180 46 40 D 9 242
181 3 4 B -2 305
182 1 3 J -27 232
183 2 1 A -10 309
184 6 4 B -8 293
185 7 5 B -17 278
186 3 5 B 11 270
187 5 4 B 8 263
188 2 4 A 14 220
21 185 190