Sunspot drawing of 1974-1-13

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https://doi.org/10.7891/e-manuscripta-97728



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1974-01-13
08:45
Hs 1304.5:5276
https://doi.org/10.7891/e-manuscripta-97728
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
2 10 C 6.2 312.2
3 8 C -12.0 245.6
5 7 J -15.0 217.4
6 7 C -17.1 194.5
4 32