Sunspot drawing of 1989-12-12

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https://doi.org/10.7891/e-manuscripta-144626



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1989-12-12
13:30
Hs 1304.6:2714
https://doi.org/10.7891/e-manuscripta-144626
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
642 1 5 J 18 307
647 10 18 D 18 278
652 6 8 C 13 244
656 5 9 C -9 218
659 5 9 B 14 195
661 3 2 A -22 221
663 4 6 C -21 165
664 2 5 J 28 151
665 1 5 H 13 145
9 37 67