Sunspot drawing of 1981-4-22

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https://doi.org/10.7891/e-manuscripta-139096



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1981-04-22
07:30
Hs 1304.6:97
https://doi.org/10.7891/e-manuscripta-139096
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
188 13 13 C -7 194
190 1 3 J 23 179
191 4 3 B 18 173
193 38 28 D 14 149
196 19 12 C 24 144
197 8 9 C -10 146
201 4 7 G 8 157
202 5 3 B -11 138
203 1 1 A -10 70
204 1 1 A -40 77
205 4 2 B -20 105
206 2 2 A 21 67
12 100 84