Sunspot drawing of 1977-9-25

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https://doi.org/10.7891/e-manuscripta-98874



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1977-09-25
08:40
Hs 1304.5:6406
https://doi.org/10.7891/e-manuscripta-98874
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
111 14 D -23.0 98.7
115 15 C 28.0 62.9
116 4 B -19.6 7.3
117 7 D 14.1 347.0
4 40