Sunspot drawing of 1969-9-10

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https://doi.org/10.7891/e-manuscripta-95772



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1969-09-10
07:30
Hs 1304.5:3948
https://doi.org/10.7891/e-manuscripta-95772
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
379 4 J 22.1 343.9
381 23 E -32.7 324.1
385 7 C -19.1 247.9
386 1 A 13.0 234.3
4 35