Sunspot drawing of 1981-10-9

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https://doi.org/10.7891/e-manuscripta-139403



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1981-10-09
08:15
Hs 1304.6:238
https://doi.org/10.7891/e-manuscripta-139403
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
504 11 20 D 14 117
509 9 8 B -6 75
510 38 4 J 8 65
513 2 3 B 7 102
514 5 7 C -7 96
516 1 3 J -11 93
518 4 3 B 19 72
519 2 1 A 14 58
520 42 34 E -10 54
521 2 2 B 16 348
522 2 2 B -22 86
524 7 7 B 12 47
525 10 11 C -17 357
526 11 12 C -21 338
527 1 3 J 19 329
528 7 12 H -18 330
529 1 1 A 17 26
530 2 1 A 20 339
18 157 134