Sunspot drawing of 1989-12-10

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https://doi.org/10.7891/e-manuscripta-144673



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1989-12-10
09:45
Hs 1304.6:2712
https://doi.org/10.7891/e-manuscripta-144673
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
638 3 8 C 12 333
642 2 6 J 18 306
645 7 5 B -16 312
647 21 26 D 19 279
652 16 24 D 13 244
653 4 7 C 26 334
655 4 9 C -10 337
656 14 17 C -9 218
658 7 7 B -14 262
659 5 9 C 15 195
660 4 3 B -18 265
661 5 5 C -23 220
12 92 126