Sunspot drawing of 1977-10-20

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https://doi.org/10.7891/e-manuscripta-98680



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1977-10-20
08:00
Hs 1304.5:6425
https://doi.org/10.7891/e-manuscripta-98680
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
129 3 J 18.6 159.2
133 3 B 23.8 108.9
135 14 C 21.8 148.3
137 15 D -23.6 85.1
138 5 B 22.5 165.7
5 40