Sunspot drawing of 1986-2-9

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https://doi.org/10.7891/e-manuscripta-142297



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1986-02-09
10:15
Hs 1304.6:1520
https://doi.org/10.7891/e-manuscripta-142297
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 13 19 C -8 63
5 25 31 D -1 20
2 38 50