Sunspot drawing of 1991-6-4

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https://doi.org/10.7891/e-manuscripta-145973



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1991-06-04
08:30
Hs 1304.6:3173
https://doi.org/10.7891/e-manuscripta-145973
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
258 1 3 J -14 21
261 2 7 H -10 356
264 14 12 C 6 351
269 17 21 D -13 14
271 3 2 A -9 317
272 13 23 D 20 282
273 3 2 A 11 354
274 13 15 C 9 281
277 1 1 A -8 286
278 6 8 C 16 260
279 1 3 J 8 270
280 12 27 D 32 251
281 1 3 J 9 241
282 17 17 B 12 271
283 2 6 J -18 234
15 106 150