Sunspot drawing of 1989-9-9

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https://doi.org/10.7891/e-manuscripta-144789



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1989-09-09
09:00
Hs 1304.6:2632
https://doi.org/10.7891/e-manuscripta-144789
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
452 18 34 D -17 89
454 53 56 E -18 77
455 31 30 D 24 54
458 20 26 E 27 22
463 39 42 D 16 356
463A 15 19 C 17 347
464 1 1 A 26 47
465 12 9 B 25 34
466 6 9 B 16 4
469 31 20 B 7 5
471 5 9 B 16 336
472 3 5 B 29 345
473 26 30 D 16 327
475 13 18 C -12 320
476 1 3 J 21 313
15 274 311