Sunspot drawing of 1971-7-10

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https://doi.org/10.7891/e-manuscripta-96841



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1971-07-10
08:00
Hs 1304.5:4506
https://doi.org/10.7891/e-manuscripta-96841
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
202 14 C -7.7 125.7
204 7 J -11.6 92.2
205 9 D 13.9 57.6
3 30