Sunspot drawing of 1975-1-7

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https://doi.org/10.7891/e-manuscripta-98154



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1975-01-07
08:45
Hs 1304.5:5581
https://doi.org/10.7891/e-manuscripta-98154
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 3 A -7.9 247.8
5 3 J 5.1 197.8
6 11 C 9.5 243.2
7 1 A 5.2 236.0
4 18