Sunspot drawing of 1981-12-8

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https://doi.org/10.7891/e-manuscripta-139408



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1981-12-08
09:00
Hs 1304.6:288
https://doi.org/10.7891/e-manuscripta-139408
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
621 4 12 D -14 34
628 2 3 B 18 358
629 21 27 C 4 353
632A 1 1 A 1 335
633 2 5 J -17 329
634 31 40 D 18 323
637 24 38 E 8 323
638 3 7 J -14 309
639 3 8 C 13 307
640 10 16 H -19 316
641 11 19 C 7 304
642 1 3 J 9 298
643 6 13 D 10 286
644 1 3 J 18 282
645 7 17 D -15 273
646 3 6 G -20 263
647 5 14 D -6 257
17 135 232