Sunspot drawing of 1989-10-21

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https://doi.org/10.7891/e-manuscripta-144798



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1989-10-21
09:00
Hs 1304.6:2672
https://doi.org/10.7891/e-manuscripta-144798
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
537 2 6 J 12 276
542 1 2 A -18 248
544 3 3 A -24 230
546 58 60 D -27 209
550 37 25 C -16 209
552 3 4 J -22 180
553 17 13 C -16 222
556 2 1 A -30 172
557 16 20 D -21 128
558 2 3 A 10 126
559 1 1 A 28 210
560 4 3 B 24 161
561 1 1 A -14 116
13 147 142