Sunspot drawing of 1989-5-20

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https://doi.org/10.7891/e-manuscripta-144736



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1989-05-20
07:45
Hs 1304.6:2526
https://doi.org/10.7891/e-manuscripta-144736
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 6 9 C 9 145
212 1 3 J -9 123
214 10 12 B 18 120
215 3 5 C 17 108
216 22 27 D 16 89
220 1 3 J -26 57
221 19 15 B -17 73
222 7 9 C -18 43
224 56 60 D 21 87
225 7 13 C 14 73
226 23 24 D -20 30
229 4 5 B 32 52
230 4 2 B -12 77
231 1 1 A -6 61
14 164 188