Sunspot drawing of 1989-12-20

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https://doi.org/10.7891/e-manuscripta-144613



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1989-12-20
09:00
Hs 1304.6:2718
https://doi.org/10.7891/e-manuscripta-144613
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
664 1 1 A 27 146
665 4 10 C 12 142
667 17 26 C 20 120
668 4 14 D 33 198
669 15 20 D -11 196
671 1 1 A 18 130
672 7 10 B 18 101
673 8 15 C -6 103
674 1 3 J 26 60
675 6 14 D -10 51
676 1 2 A 24 54
11 65 116