Sunspot drawing of 1971-6-22

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https://doi.org/10.7891/e-manuscripta-96745



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1971-06-22
07:15
Hs 1304.5:4489
https://doi.org/10.7891/e-manuscripta-96745
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
180 7 C -12.2 84.8
185 10 B 9.0 344.0
186 5 B -19.0 350.8
3 22