Sunspot drawing of 2012-12-31

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https://doi.org/10.7891/e-manuscripta-157192



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2012-12-31
09:00
Hs 1304.6:9769
https://doi.org/10.7891/e-manuscripta-157192
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
331 3 5 J 12.4 308.3
332 2 4 C -16.5 308.9
333 2 2 A 14.6 23.8
334 12 11 C 26.4 321.6
335 7 8 C 12.9 339.1
336 3 6 C 3.5 274.8
337 1 3 J -23.7 252.5
7 30 39