Sunspot drawing of 1990-8-28

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https://doi.org/10.7891/e-manuscripta-145154



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1990-08-28
07:15
Hs 1304.6:2943
https://doi.org/10.7891/e-manuscripta-145154
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
461 10 23 C -12 101
462 31 39 E -21 97
466 14 19 B -24 82
467 17 22 D -7 73
470 7 11 H -27 65
475 49 58 E 13 31
476 1 2 A -13 116
479 1 3 J 12 139
482 2 3 A -16 351
483 1 3 J 15 332
484 4 6 C -13 336
11 137 189