Sunspot drawing of 1981-12-12

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https://doi.org/10.7891/e-manuscripta-139385



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1981-12-12
12:15
Hs 1304.6:291
https://doi.org/10.7891/e-manuscripta-139385
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
629 1 4 H 4 355
633 1 3 J -17 329
634 19 34 D 18 324
637 6 20 G 8 324
638 1 3 J -14 308
639 1 3 J 12 308
640 3 8 H -18 317
641 3 5 C 7 307
643 7 13 C 11 287
644 1 3 J 18 282
645 10 20 D -15 273
646 1 3 J -20 267
647 8 17 D -7 257
649 22 33 D -7 287
652 2 6 G 20 347
653 1 2 A 10 199
16 87 177