Sunspot drawing of 1991-8-20

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https://doi.org/10.7891/e-manuscripta-145900



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1991-08-20
07:45
Hs 1304.6:3245
https://doi.org/10.7891/e-manuscripta-145900
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
437 1 3 J 23 47
438 7 9 C -8 48
440 29 27 D -10 27
441 20 22 D -20 28
442 56 45 D -16 29
443 12 15 G -19 46
444 58 47 E -9 13
445 1 3 J -3 5
446 17 19 C -18 358
447 2 5 J -27 357
448 24 29 C 10 1
449 11 12 C 3 356
452 21 26 D 11 339
453 2 3 J 2 341
454 14 12 C 17 343
455 2 3 B -9 68
456 6 5 B -10 326
457 1 2 A 13 309
458 5 3 B -4 356
19 289 290