Sunspot drawing of 1981-4-14

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https://doi.org/10.7891/e-manuscripta-139183



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1981-04-14
08:00
Hs 1304.6:91
https://doi.org/10.7891/e-manuscripta-139183
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
166 3 8 D 8 313
169 20 18 D 19 290
175 1 1 A 20 280
178 10 8 B 8 300
179 52 48 E 13 232
182 31 26 D 9 219
183 6 9 C -5 219
186 2 2 B 15 308
187 2 1 A -9 253
188 22 14 C -8 193
189 4 5 B -4 234
190 6 10 C 23 173
191 5 4 B 16 174
192 1 2 A -30 221
193 4 8 H 14 153
15 169 164