Sunspot drawing of 1990-9-27

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https://doi.org/10.7891/e-manuscripta-145145



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1990-09-27
07:00
Hs 1304.6:2972
https://doi.org/10.7891/e-manuscripta-145145
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
534 4 4 B -8 78
535 1 3 J -25 52
537 20 21 C 14 28
537A 15 12 C 11 20
543 20 24 D -7 353
546 2 3 J -12 343
6 62 67