Sunspot drawing of 1990-9-29

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https://doi.org/10.7891/e-manuscripta-145107



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1990-09-29
08:15
Hs 1304.6:2974
https://doi.org/10.7891/e-manuscripta-145107
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
535 1 3 J -24 53
537 14 18 C 15 30
537A 2 2 B 11 21
543 30 30 C -7 354
546 1 3 J -12 343
547 4 6 C 14 61
548 7 9 C -14 29
550 7 7 B 11 344
551 4 3 A 5 27
552 1 1 A -12 327
553 4 6 B -17 281
11 75 88