Sunspot drawing of 1989-12-4

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https://doi.org/10.7891/e-manuscripta-144785



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1989-12-04
08:45
Hs 1304.6:2706
https://doi.org/10.7891/e-manuscripta-144785
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
624 16 18 C 18 33
631 10 12 C -17 2
633 3 4 J -16 338
638 20 15 C 12 328
640 16 15 C 9 359
641 2 1 A 13 314
642 8 12 J 18 306
643 3 2 B 25 4
645 9 9 B -15 313
646 2 2 B -13 37
647 33 27 D 18 281
648 13 17 D -10 8
649 5 3 A 8 320
650 2 2 B 15 301
14 142 139