Sunspot drawing of 1966-6-9

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https://doi.org/10.7891/e-manuscripta-94857



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1966-06-09
10:30
Hs 1304.5:2933
https://doi.org/10.7891/e-manuscripta-94857
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
87 4 J 21.4 179.6
90 2 B 32.2 241.5
91 19 C 19.8 118.6
3 25