Sunspot drawing of 1989-9-19

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https://doi.org/10.7891/e-manuscripta-144584



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1989-09-19
10:00
Hs 1304.6:2641
https://doi.org/10.7891/e-manuscripta-144584
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
471 9 18 D 17 334
473 1 2 A 16 328
475 1 3 J -11 330
476 1 3 J 21 321
481 22 27 D 26 285
485 4 4 B -15 234
486 59 56 D -26 221
487 1 2 A -25 206
489 2 2 A -27 312
490 6 6 B -20 245
491 2 2 A 23 238
492 1 1 A -21 188
12 109 126