Sunspot drawing of 1990-5-26

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https://doi.org/10.7891/e-manuscripta-145182



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1990-05-26
07:45
Hs 1304.6:2852
https://doi.org/10.7891/e-manuscripta-145182
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
274 13 15 C 9 270
279 9 10 H -18 245
281 31 24 D -12 234
282 4 5 J 27 222
284 9 8 B 20 269
286 6 6 C 12 181
287 1 3 J 23 170
288 15 20 D 21 150
289 1 3 J -12 169
290 1 2 A -24 136
10 90 96