Sunspot drawing of 1980-10-20

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https://doi.org/10.7891/e-manuscripta-99805



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1980-10-20
08:15
Hs 1304.5:7323
https://doi.org/10.7891/e-manuscripta-99805
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
578 5 J 7.1 62.5
582 15 C -32.7 40.0
583 1 A 14.7 56.5
584 18 B 20.6 28.1
585 2 A 12.9 34.1
586 52 E -16.8 351.4
587 16 D -12.6 340.7
588 3 A 22.3 38.6
589 1 A 8.8 322.1
9 113