Sunspot drawing of 1989-10-18

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https://doi.org/10.7891/e-manuscripta-144747



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1989-10-18
08:45
Hs 1304.6:2669
https://doi.org/10.7891/e-manuscripta-144747
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
537 7 10 C 13 272
540 8 14 D 12 297
541 8 8 B 26 274
542 40 34 C -17 251
544 4 4 C -23 228
546 65 50 D -27 211
547 7 11 C -18 297
548 4 3 B -13 275
549 7 5 B 13 244
550 22 18 C -15 209
551 5 3 B 20 215
552 10 10 C -22 181
553 3 3 A -15 222
13 190 173