Sunspot drawing of 1974-7-2

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https://doi.org/10.7891/e-manuscripta-97818



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1974-07-02
08:00
Hs 1304.5:5411
https://doi.org/10.7891/e-manuscripta-97818
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
99 5 J -10.7 177.0
100 78 F -14.9 157.6
101 17 C -10.3 203.4
3 100