Sunspot drawing of 1989-10-17

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https://doi.org/10.7891/e-manuscripta-144762



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1989-10-17
09:00
Hs 1304.6:2668
https://doi.org/10.7891/e-manuscripta-144762
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
528 3 9 D 16 329
537 13 16 C 14 272
540 11 18 D 12 296
541 16 12 C 26 273
542 25 30 E -16 253
544 9 10 C -23 228
546 34 50 D -27 210
547 11 12 C -18 296
548 4 6 B -13 279
549 10 9 B 13 241
550 23 20 C -15 209
551 10 8 B 19 215
552 8 9 C -21 182
553 2 2 B -18 227
14 179 211