Sunspot drawing of 1990-8-6

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https://doi.org/10.7891/e-manuscripta-145234



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1990-08-06
09:00
Hs 1304.6:2921
https://doi.org/10.7891/e-manuscripta-145234
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
406 1 3 J 14 48
409 2 3 A 19 32
412 13 15 D 23 334
413 7 12 H 16 335
414 9 7 B -6 344
419 16 18 D 23 316
420 1 1 A 9 326
422 9 10 C -10 49
424 19 18 C -17 350
425 6 8 C -17 48
426 4 6 B -22 340
11 87 101