Sunspot drawing of 1990-8-13

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https://doi.org/10.7891/e-manuscripta-145093



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1990-08-13
08:30
Hs 1304.6:2928
https://doi.org/10.7891/e-manuscripta-145093
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
412 6 12 C 23 334
413 2 4 J 16 336
427 10 8 J -12 257
431 26 24 C 13 241
432 13 14 C -9 246
434 46 46 D 13 228
436 3 3 B -17 273
439 23 17 D 18 208
441 4 8 B -15 198
442 15 19 C 3 213
443 5 4 B -2 208
444 6 11 C 22 180
445 1 1 A -29 236
13 160 171