Sunspot drawing of 1989-4-13

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https://doi.org/10.7891/e-manuscripta-144753



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1989-04-13
14:45
Hs 1304.6:2497
https://doi.org/10.7891/e-manuscripta-144753
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
159 5 5 B -16 254
164 2 2 A -18 272
167 8 14 C 34 230
168 3 3 B 22 202
173 3 6 J -23 156
174 1 3 J 14 142
175 3 2 A 16 205
176 2 5 J -19 167
177 8 22 D 9 125
9 35 62