Sunspot drawing of 1971-2-10

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https://doi.org/10.7891/e-manuscripta-96958



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1971-02-10
08:30
Hs 1304.5:4375
https://doi.org/10.7891/e-manuscripta-96958
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 3 J -6.5 14.0
42 3 J 18.1 297.6
43 10 B 14.0 332.2
45 5 B -22.2 9.6
46 1 A -21.8 350.5
5 22