Sunspot drawing of 1980-12-17

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https://doi.org/10.7891/e-manuscripta-99953



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1980-12-17
09:00
Hs 1304.5:7365
https://doi.org/10.7891/e-manuscripta-99953
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
671 28 D 12.6 47.5
691 15 A -16.5 350.6
693 73 D 5.4 342.1
694 72 C 12.6 333.8
696 1 A 19.6 343.5
697 24 D -9.0 330.6
698 12 C 6.7 320.5
701 1 A 7.4 348.3
704 4 A 10.1 279.1
705 7 B 4.0 278.4
706 7 J -16.1 295.5
707 1 A 15.3 10.7
708 1 A -32.7 4.1
709 10 D -6.6 267.0
14 256