Sunspot drawing of 1989-4-11

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https://doi.org/10.7891/e-manuscripta-144525



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1989-04-11
09:30
Hs 1304.6:2496
https://doi.org/10.7891/e-manuscripta-144525
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
148A 1 3 J -19 301
157 2 2 A -11 297
159 5 6 B -15 253
163 1 1 A 16 288
164 3 5 J -18 270
165 4 3 B -17 253
167 21 22 D 33 231
168 6 11 C 21 205
170 1 2 A -24 277
173 2 2 A -20 159
174 1 4 H 14 142
11 47 61