Sunspot drawing of 1989-4-28

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https://doi.org/10.7891/e-manuscripta-144825



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1989-04-28
08:30
Hs 1304.6:2506
https://doi.org/10.7891/e-manuscripta-144825
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
183 3 8 H -23 64
188 2 5 J 33 37
189 20 27 E -19 35
190 11 14 C -19 66
191 5 4 A 13 331
192 2 3 A 24 352
193 3 2 A 28 308
194 1 1 A 18 289
195 27 30 D -18 317
196 3 2 A -26 279
10 77 96