Sunspot drawing of 1981-12-9

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https://doi.org/10.7891/e-manuscripta-139357



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1981-12-09
09:45
Hs 1304.6:289
https://doi.org/10.7891/e-manuscripta-139357
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
621 3 10 D -14 35
629 13 21 C 5 353
633 1 3 J -17 329
634 20 42 D 18 324
637 22 51 E 8 323
638 1 9 D -13 309
639 1 3 J 12 309
640 8 10 C -19 316
641 9 16 C 7 305
642 1 1 A 10 300
643 11 19 D 11 287
644 1 3 J 18 283
645 7 16 D -15 274
646 1 3 J -20 267
647 5 15 D -6 257
648 3 9 D -32 323
649 4 7 C -7 287
650 3 8 D 10 279
18 114 246