Sunspot drawing of 1974-3-30

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https://doi.org/10.7891/e-manuscripta-97932



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1974-03-30
08:30
Hs 1304.5:5327
https://doi.org/10.7891/e-manuscripta-97932
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
34 3 J -9.0 54.4
36 5 C 6.7 38.9
37 2 A -12.7 287.1
3 10