Sunspot drawing of 1971-6-19

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https://doi.org/10.7891/e-manuscripta-96899



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1971-06-19
08:45
Hs 1304.5:4486
https://doi.org/10.7891/e-manuscripta-96899
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
181 6 B -6.7 76.0
185 8 C 9.2 344.6
2 14