Sunspot drawing of 1989-4-10

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https://doi.org/10.7891/e-manuscripta-144559



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1989-04-10
13:30
Hs 1304.6:2495
https://doi.org/10.7891/e-manuscripta-144559
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
148 3 10 H -19 314
148A 3 7 J -19 300
157 1 3 J -11 298
159 5 8 J -15 252
163 3 6 J 16 289
164 2 5 J -17 171
165 8 8 B -17 253
167 13 26 D 33 231
168 4 9 B 21 205
170 3 6 A -24 276
172 4 4 B 36 238
11 49 92