Sunspot drawing of 1981-12-4

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https://doi.org/10.7891/e-manuscripta-139358



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1981-12-04
09:00
Hs 1304.6:285
https://doi.org/10.7891/e-manuscripta-139358
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
616 5 13 C -8 66
617 2 4 J -13 55
621 2 4 J -15 39
624 9 26 D 15 76
627 1 3 J -4 11
628 8 20 D 19 21
629 11 30 D 5 353
630 4 15 D -20 10
631 1 3 J 7 344
632 2 3 J 1 338
633 3 10 G -19 324
634 9 20 D 19 324
636 1 2 A -31 327
637 5 15 D 7 321
638 1 3 J -15 309
639 1 3 J 12 308
16 65 174