Sunspot drawing of 1990-10-21

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https://doi.org/10.7891/e-manuscripta-145160



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1990-10-21
09:00
Hs 1304.6:2987
https://doi.org/10.7891/e-manuscripta-145160
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
578A 2 3 A 30 124
583 22 22 E -8 95
586 1 3 J -26 45
587 1 3 J 5 42
588 15 17 C 18 38
589 5 9 J 18 24
590 5 13 D 16 16
591 12 14 C 18 5
592 5 4 A -12 3
593 1 3 J -7 1
594 1 3 J 24 358
595 3 5 C 15 349
12 73 99