Sunspot drawing of 1989-9-17

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https://doi.org/10.7891/e-manuscripta-144691



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1989-09-17
11:00
Hs 1304.6:2639
https://doi.org/10.7891/e-manuscripta-144691
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
463 7 17 D 17 357
471 26 28 D 17 333
473 12 14 C 16 327
475 1 4 C -12 322
476 8 11 C 21 316
481 21 27 D 26 285
483 14 24 D 29 352
485 1 2 A -15 234
486 36 31 D -25 223
487 1 2 A -26 207
10 127 160