Sunspot drawing of 1977-7-9

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https://doi.org/10.7891/e-manuscripta-98640



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1977-07-09
06:30
Hs 1304.5:6334
https://doi.org/10.7891/e-manuscripta-98640
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 4 J -20.5 0.3
68 7 C 19.7 92.0
2 11