Sunspot drawing of 2012-12-30

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https://doi.org/10.7891/e-manuscripta-157168



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2012-12-30
11:00
Hs 1304.6:9768
https://doi.org/10.7891/e-manuscripta-157168
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
331 1 3 J 12.3 308.5
332 7 7 D -17.1 308.5
333 3 5 C 13.9 25.0
334 3 6 D 26.9 320.6
4 14 21