Sunspot drawing of 1991-8-17

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https://doi.org/10.7891/e-manuscripta-145770



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1991-08-17
08:15
Hs 1304.6:3242
https://doi.org/10.7891/e-manuscripta-145770
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
429 3 4 J -24 112
433 3 4 B -12 135
437 3 5 C 23 49
438 12 10 C -8 46
439 1 2 A 8 41
440 22 20 D -10 28
441 6 7 C -20 29
442 45 42 D -15 30
443 60 46 D -19 44
444 51 33 E -10 13
445 5 8 J -4 5
446 17 17 C -17 358
447 2 4 J -27 57
448 9 12 C 10 358
449 11 10 C 1 354
450 4 3 B 6 61
451 2 1 A -5 76
452 2 6 H 10 337
453 1 3 J 2 340
19 259 237