Sunspot drawing of 2000-4-20

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https://doi.org/10.7891/e-manuscripta-150950



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2000-04-20
07:30
Hs 1304.6:5902
https://doi.org/10.7891/e-manuscripta-150950
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
168 11 15 D -21 31
169 8 2 A -18 64
171 8 9 B 18 38
172 2 2 A 34 17
173 13 9 C 15 4
174 1 3 J 23 1
175 2 4 J -13 308
176 12 17 D 21 298
177 7 10 D -13 332
178 2 3 C 12 286
179 1 3 J 18 272
180 1 3 J -14 268
12 68 80