Sunspot drawing of 1986-2-21

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https://doi.org/10.7891/e-manuscripta-142126



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1986-02-21
10:00
Hs 1304.6:1529
https://doi.org/10.7891/e-manuscripta-142126
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
6 2 3 A -2 155
1 2 3