Sunspot drawing of 1961-7-13

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https://doi.org/10.7891/e-manuscripta-92775



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1961-07-13
09:45
Hs 1304.5:1401
https://doi.org/10.7891/e-manuscripta-92775
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
194 7 D 3.2 71.7
196 48 F -7.8 49.4
197 16 D 11.5 17.7
200 7 D -11.1 69.3
4 78