Sunspot drawing of 1981-9-11

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https://doi.org/10.7891/e-manuscripta-139346



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1981-09-11
08:00
Hs 1304.6:221
https://doi.org/10.7891/e-manuscripta-139346
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
432 3 7 D -10 131
433 1 3 J 12 127
436 1 3 H -17 124
440 15 18 D 29 86
441 55 45 E 9 63
442 9 7 C 16 52
444 4 2 A 0 62
445 2 1 A -15 59
447 1 1 A 17 94
448 1 2 A 17 77
449 19 8 B -8 47
451 9 10 C -17 102
452 22 12 B 10 52
453 3 2 A 12 39
454 6 10 G 19 337
15 151 131