Sunspot drawing of 1989-12-9

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https://doi.org/10.7891/e-manuscripta-144541



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1989-12-09
09:15
Hs 1304.6:2711
https://doi.org/10.7891/e-manuscripta-144541
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
633 1 3 J -17 340
638 12 19 C 12 331
642 1 5 J 18 306
645 6 7 C -15 313
647 18 25 D 18 280
650 3 2 A 15 293
652 9 11 D 13 245
653 14 13 C 26 332
654 2 3 A -18 238
655 7 13 D -10 337
656 8 10 C -9 216
658 6 10 C -14 260
659 5 10 C 15 193
13 92 131