Sunspot drawing of 1989-4-6

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https://doi.org/10.7891/e-manuscripta-144729



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1989-04-06
09:00
Hs 1304.6:2492
https://doi.org/10.7891/e-manuscripta-144729
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
148 8 21 D -18 312
148A 18 28 D -19 302
157 13 16 C -11 295
159 1 3 J -14 252
160 1 2 A 17 331
161 2 2 A 8 320
162 7 5 B 30 312
163 15 18 B 17 284
164 15 17 B -15 271
165 5 4 B -18 252
166 3 3 B 29 261
167 7 10 J 34 233
168 1 3 J 21 206
13 96 132