Sunspot drawing of 1989-10-20

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https://doi.org/10.7891/e-manuscripta-144687



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1989-10-20
09:15
Hs 1304.6:2671
https://doi.org/10.7891/e-manuscripta-144687
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
537 2 6 J 13 275
542 8 7 B -18 247
544 3 5 C -23 230
546 60 60 D -27 210
550 33 24 C -15 209
552 7 7 J -22 180
553 7 6 B -15 224
554 1 1 A -15 257
555 2 1 A 18 212
556 4 3 A -29 172
557 4 12 D -21 130
558 1 2 A 10 126
12 132 134