Sunspot drawing of 1981-9-9

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https://doi.org/10.7891/e-manuscripta-139330



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1981-09-09
12:15
Hs 1304.6:220
https://doi.org/10.7891/e-manuscripta-139330
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
431 1 3 J 7 136
432 20 19 D -11 130
433 1 3 J 12 127
436 6 7 H -17 122
440 21 18 D 28 89
441 56 52 E 9 62
442 12 10 C 15 53
444 10 7 B 1 58
445 3 3 B -13 56
447 5 4 B 17 92
448 3 3 B 18 74
449 11 10 C -7 47
451 4 3 B -18 104
452 27 15 B 9 52
14 180 157