Sunspot drawing of 1962-8-21

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https://doi.org/10.7891/e-manuscripta-93437



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1962-08-21
09:00
Hs 1304.5:1753
https://doi.org/10.7891/e-manuscripta-93437
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 8 C 0.9 147.3
135 19 D 1.9 138.1
137 3 B 12.3 151.0
3 30