Sunspot drawing of 1980-12-23

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https://doi.org/10.7891/e-manuscripta-99855



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1980-12-23
08:45
Hs 1304.5:7370
https://doi.org/10.7891/e-manuscripta-99855
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
693 15 D 6.6 341.4
694 2 A 12.8 329.3
697 4 J -10.0 333.6
698 4 J 5.8 322.5
704 3 A 12.8 276.6
705 21 C 4.2 279.6
706 5 J -16.3 292.4
709 24 C -5.7 266.9
710 7 H 17.4 241.7
711 17 C -16.6 272.9
712 23 D 3.4 265.8
713 2 A 21.6 276.8
715 11 B -19.0 286.1
716 15 D 29.4 220.1
717 5 H -24.3 200.5
718 3 J 25.5 191.7
719 3 J -28.1 185.4
17 164