Sunspot drawing of 1977-1-29

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https://doi.org/10.7891/e-manuscripta-98676



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1977-01-29
11:00
Hs 1304.5:6204
https://doi.org/10.7891/e-manuscripta-98676
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 8 B -20.2 50.2
1 8