Sunspot drawing of 1974-12-6

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https://doi.org/10.7891/e-manuscripta-97721



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1974-12-06
08:30
Hs 1304.5:5550
https://doi.org/10.7891/e-manuscripta-97721
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
193 4 B 4.9 263.0
1 4