Sunspot drawing of 1974-10-2

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https://doi.org/10.7891/e-manuscripta-97857



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1974-10-02
08:45
Hs 1304.5:5499
https://doi.org/10.7891/e-manuscripta-97857
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 15 J 9.3 22.9
158 15 B -11.3 52.7
159 21 D -5.2 18.4
160 1 A -15.3 31.2
4 52