Sunspot drawing of 2012-12-28

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https://doi.org/10.7891/e-manuscripta-157152



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2012-12-28
08:15
Hs 1304.6:9766
https://doi.org/10.7891/e-manuscripta-157152
Observer : Marco Cagnotti
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
326 4 6 B 10.1 64.4
330 1 2 A 5.5 345.5
331 1 3 J 11.9 309.2
332 4 7 C -17.2 309.6
4 10 18