Sunspot drawing of 1990-5-21

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https://doi.org/10.7891/e-manuscripta-145108



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1990-05-21
12:30
Hs 1304.6:2848
https://doi.org/10.7891/e-manuscripta-145108
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
261 2 5 J 22 353
265 33 37 D 34 314
269 55 72 E -16 310
274 7 9 C 8 269
275 14 10 B 7 264
278 3 3 B -9 253
279 24 25 D -19 244
280 4 3 B 10 320
281 19 18 C -12 234
282 1 3 J 25 225
283 4 6 B 21 323
284 11 12 B 18 269
12 177 203