Sunspot drawing of 1990-9-1

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https://doi.org/10.7891/e-manuscripta-145081



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1990-09-01
08:00
Hs 1304.6:2947
https://doi.org/10.7891/e-manuscripta-145081
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
467 4 5 J -7 77
470 1 3 J -26 63
475 33 40 D 13 33
481 3 3 B 15 54
482 12 9 B -16 351
483 1 3 J 16 331
484 14 15 C -13 339
486 8 8 C -20 344
488 6 10 C 12 319
489 2 3 A -13 311
10 84 99