Sunspot drawing of 1977-2-3

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https://doi.org/10.7891/e-manuscripta-98864



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1977-02-03
08:15
Hs 1304.5:6209
https://doi.org/10.7891/e-manuscripta-98864
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
13 28 B 25.4 257.0
1 28