Sunspot drawing of 1980-9-20

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https://doi.org/10.7891/e-manuscripta-99947



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1980-09-20
09:00
Hs 1304.5:7300
https://doi.org/10.7891/e-manuscripta-99947
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
504 12 H 14.5 147.4
508 22 D -11.3 119.1
511 7 C -11.6 107.5
516 3 J -30.6 53.0
521 5 J -10.3 80.3
524 24 D 17.9 44.1
525 8 C 18.0 87.5
526 3 J -15.8 359.9
527 3 J -27.7 359.6
528 23 D -32.7 45.1
529 13 C 10.2 43.0
530 1 A 18.3 114.5
531 2 A -5.5 350.0
13 126