Sunspot drawing of 1977-1-19

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https://doi.org/10.7891/e-manuscripta-98748



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1977-01-19
14:00
Hs 1304.5:6198
https://doi.org/10.7891/e-manuscripta-98748
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
6 1 B 21.0 137.0
1 1