Sunspot drawing of 1974-12-27

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https://doi.org/10.7891/e-manuscripta-97736



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1974-12-27
08:45
Hs 1304.5:5570
https://doi.org/10.7891/e-manuscripta-97736
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
201 3 J 4.9 35.1
1 3