Sunspot drawing of 1989-5-31

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https://doi.org/10.7891/e-manuscripta-144742



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1989-05-31
08:15
Hs 1304.6:2536
https://doi.org/10.7891/e-manuscripta-144742
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
239 10 14 C -19 305
243 13 15 C 20 298
244 2 4 J 28 296
247 37 33 D -22 283
250 13 15 C 19 230
251 21 19 D -22 292
252 8 11 C 14 234
7 104 111