Sunspot drawing of 1989-12-28

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https://doi.org/10.7891/e-manuscripta-144740



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1989-12-28
08:45
Hs 1304.6:2724
https://doi.org/10.7891/e-manuscripta-144740
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
672 4 6 C 19 98
673 1 3 J -7 104
674 1 3 J 25 56
675A 2 2 A -12 45
677 1 3 J -31 104
680 12 15 D -22 85
682 63 60 E -27 30
683 45 54 C 23 10
684 11 11 C -11 18
684A 3 5 C -14 8
685 3 3 B -7 16
686 32 28 C -10 4
688 24 20 D -18 343
691 3 5 C -25 80
694 4 3 B 19 20
695 1 3 J 19 303
696 4 3 B 23 23
697 1 1 A 16 342
698 1 1 A 26 326
699 9 20 D 14 302
20 225 249