Sunspot drawing of 2011-4-13

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https://doi.org/10.7891/e-manuscripta-156807



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2011-04-13
08:30
Hs 1304.6:9273
https://doi.org/10.7891/e-manuscripta-156807
Observer : Marco Cagnotti
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 7 9 C 20.7 12.9
51 5 8 C 15.6 26.4
54 18 24 D 12.2 338.8
55 2 6 D 10.3 351.7
56 2 5 J 8.0 282.0
57 1 2 A -31.2 8.7
58 1 3 J 16.2 268.7
7 36 57