Sunspot drawing of 1991-12-4

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https://doi.org/10.7891/e-manuscripta-145944



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1991-12-04
09:00
Hs 1304.6:3325
https://doi.org/10.7891/e-manuscripta-145944
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
618 2 3 A -13 141
624 9 12 C -6 119
626 13 19 D -9 67
629 29 24 D -5 44
633 7 4 B -13 67
634 19 17 C 19 24
635 2 2 A -20 20
638 23 30 D 18 356
639 2 4 J 10 353
640 2 2 A -14 109
10 108 117