Sunspot drawing of 1969-1-28

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https://doi.org/10.7891/e-manuscripta-95991



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1969-01-28
09:30
Hs 1304.5:3751
https://doi.org/10.7891/e-manuscripta-95991
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
24 3 J 17.4 103.1
25 38 D 9.1 84.7
33 4 B 15.6 39.8
34 8 C 34.5 347.4
35 5 J 35.1 336.8
36 3 B 15.6 104.8
6 61