Sunspot drawing of 1986-4-14

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https://doi.org/10.7891/e-manuscripta-142052



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1986-04-14
07:30
Hs 1304.6:1568
https://doi.org/10.7891/e-manuscripta-142052
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
17 6 5 B -13 249
18 4 8 C -7 172
19 4 4 J 1 167
3 14 17