Sunspot drawing of 1974-10-12

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https://doi.org/10.7891/e-manuscripta-97810



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1974-10-12
10:00
Hs 1304.5:5506
https://doi.org/10.7891/e-manuscripta-97810
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
162 19 C -18.2 318.0
163 1 A 5.2 299.1
164 32 D 10.8 283.9
165 58 D 8.0 272.5
4 110