Sunspot drawing of 1966-6-21

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https://doi.org/10.7891/e-manuscripta-94787



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1966-06-21
07:15
Hs 1304.5:2944
https://doi.org/10.7891/e-manuscripta-94787
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
96 11 C 18.9 54.2
98 4 J 23.4 346.2
99 5 B 26.1 334.3
3 20