Sunspot drawing of 1974-5-15

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https://doi.org/10.7891/e-manuscripta-97794



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1974-05-15
07:30
Hs 1304.5:5368
https://doi.org/10.7891/e-manuscripta-97794
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
63 3 J -12.4 172.6
69 1 A -12.2 124.2
70 5 C 4.9 112.1
3 9