Sunspot drawing of 1989-4-16

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https://doi.org/10.7891/e-manuscripta-144540



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1989-04-16
08:15
Hs 1304.6:2500
https://doi.org/10.7891/e-manuscripta-144540
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
167 1 3 J 37 225
173 18 20 D -23 155
174 2 4 J 15 141
175 10 14 C 17 204
176 27 26 C -19 163
177 27 40 E 9 127
179 3 2 A 21 139
180 1 1 A -10 121
181 8 17 D -17 83
182 1 2 A 19 75
10 98 129