Sunspot drawing of 2012-1-13

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https://doi.org/10.7891/e-manuscripta-157111



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2012-01-13
09:15
Hs 1304.6:9499
https://doi.org/10.7891/e-manuscripta-157111
Observer : Marco Cagnotti
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 3 9 J 10.8 14.6
5 2 6 J 19.9 310.3
7 3 7 C 25.1 287.9
8 2 5 C -20.0 277.7
4 10 27