Sunspot drawing of 1985-3-20

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https://doi.org/10.7891/e-manuscripta-141634



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1985-03-20
08:30
Hs 1304.6:1251
https://doi.org/10.7891/e-manuscripta-141634
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
18 6 6 B -12 359
19 4 3 B -7 336
21 1 1 A -9 303
3 11 10