Sunspot drawing of 1980-12-20

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https://doi.org/10.7891/e-manuscripta-100002



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1980-12-20
10:00
Hs 1304.5:7367
https://doi.org/10.7891/e-manuscripta-100002
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
691 5 J -18.4 348.3
693 45 D 6.1 340.6
694 32 B 12.6 329.8
697 3 J -9.4 331.9
698 8 C 6.5 320.6
704 2 A 9.0 280.0
705 22 D 3.9 278.3
706 10 C -16.2 292.5
709 33 D -6.0 266.4
710 7 H 17.0 241.9
711 13 B -16.4 275.4
712 6 A 3.0 267.6
12 186