Sunspot drawing of 1974-7-1

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https://doi.org/10.7891/e-manuscripta-97691



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1974-07-01
06:45
Hs 1304.5:5410
https://doi.org/10.7891/e-manuscripta-97691
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
99 6 C -11.1 176.8
100 58 F -15.2 159.4
101 18 D -10.1 201.5
3 82