Sunspot drawing of 1990-5-31

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https://doi.org/10.7891/e-manuscripta-145113



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1990-05-31
07:15
Hs 1304.6:2857
https://doi.org/10.7891/e-manuscripta-145113
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
286 2 3 A 12 186
288 3 6 C 19 155
289 17 20 D -11 169
291 5 3 B -18 186
292 2 6 G 14 120
294 17 11 C 21 147
295 3 2 B 13 130
296A 2 1 A 30 142
297 4 6 C 22 72
298 3 5 J -4 69
10 58 63