Sunspot drawing of 1961-8-3

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https://doi.org/10.7891/e-manuscripta-92712



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1961-08-03
07:00
Hs 1304.5:1422
https://doi.org/10.7891/e-manuscripta-92712
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
221 6 C 23.0 206.4
224 6 B -15.0 181.0
225 3 B 18.4 149.5
226 2 C -7.0 61.9
4 17