Sunspot drawing of 1983-8-20

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https://doi.org/10.7891/e-manuscripta-140343



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1983-08-20
08:00
Hs 1304.6:784
https://doi.org/10.7891/e-manuscripta-140343
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
208 5 3 B 7 109
211 3 4 J 19 86
214 3 2 B 20 77
216 2 3 J 14 17
217 3 7 G 14 8
5 16 19